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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 2 Mar 2008 00:52:49 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/conf files options src/sys/geom/part
g_part_vtoc8.c src/sys/sys vtoc.h
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marcel 2008-03-02 00:52:49 UTC
FreeBSD src repository
Modified files:
sys/conf files options
Added files:
sys/geom/part g_part_vtoc8.c
sys/sys vtoc.h
Log:
Add support for VTOC8 labels (aka sun disk labels). When a label does
not have VTOC information about the partitions, it will be created.
This is because the VTOC information is used for the partition type
and FreeBSD's sunlabel(8) does not create nor use VTOC information.
For this purpose, new tags have been added to support FreeBSD's
partition types.
Revision Changes Path
1.1274 +1 -0 src/sys/conf/files
1.619 +1 -0 src/sys/conf/options
1.1 +480 -0 src/sys/geom/part/g_part_vtoc8.c (new)
1.1 +106 -0 src/sys/sys/vtoc.h (new)
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Date: Sun, 2 Mar 2008 01:35:37 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/ufs/ufs ufs_vnops.c
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obrien 2008-03-02 01:35:37 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/ufs/ufs ufs_vnops.c
Log:
MFC: rev 1.278: correct typo in comment.
Also sync comment layout changes and spelling fixes.
Revision Changes Path
1.271.2.11 +7 -7 src/sys/ufs/ufs/ufs_vnops.c
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From: David Schultz <das@FreeBSD.org>
Date: Sun, 2 Mar 2008 01:47:58 +0000 (UTC)
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Subject: cvs commit: src/lib/msun/src e_sqrt.c e_sqrtl.c math.h
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das 2008-03-02 01:47:58 UTC
FreeBSD src repository
Modified files:
lib/msun/src e_sqrt.c math.h
Added files:
lib/msun/src e_sqrtl.c
Log:
MI implementation of sqrtl(). This is very slow and should
be overridden when hardware sqrt is available.
Revision Changes Path
1.11 +8 -3 src/lib/msun/src/e_sqrt.c
1.1 +159 -0 src/lib/msun/src/e_sqrtl.c (new)
1.70 +1 -1 src/lib/msun/src/math.h
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From: David Schultz <das@FreeBSD.org>
Date: Sun, 2 Mar 2008 01:48:08 +0000 (UTC)
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Subject: cvs commit: src/lib/msun/amd64 e_sqrtl.S src/lib/msun/i387 e_sqrtl.S
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das 2008-03-02 01:48:08 UTC
FreeBSD src repository
Added files:
lib/msun/amd64 e_sqrtl.S
lib/msun/i387 e_sqrtl.S
Log:
MD implementations of sqrtl().
Revision Changes Path
1.1 +33 -0 src/lib/msun/amd64/e_sqrtl.S (new)
1.1 +43 -0 src/lib/msun/i387/e_sqrtl.S (new)
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From: David Schultz <das@FreeBSD.org>
Date: Sun, 2 Mar 2008 01:48:17 +0000 (UTC)
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Cc:
Subject: cvs commit: src/lib/msun Makefile Symbol.map src/lib/msun/amd64
Makefile.inc src/lib/msun/i387 Makefile.inc src/lib/msun/man sqrt.3
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das 2008-03-02 01:48:17 UTC
FreeBSD src repository
Modified files:
lib/msun Makefile Symbol.map
lib/msun/amd64 Makefile.inc
lib/msun/i387 Makefile.inc
lib/msun/man sqrt.3
Log:
Hook up sqrtl() to the build.
Revision Changes Path
1.90 +2 -2 src/lib/msun/Makefile
1.15 +1 -0 src/lib/msun/Symbol.map
1.9 +1 -1 src/lib/msun/amd64/Makefile.inc
1.12 +1 -1 src/lib/msun/i387/Makefile.inc
1.15 +19 -9 src/lib/msun/man/sqrt.3
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Cc:
Subject: Re: cvs commit: src/lib/msun/src e_sqrt.c e_sqrtl.c math.h
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On Sun, Mar 02, 2008, David Schultz wrote:
> das 2008-03-02 01:47:58 UTC
>
> FreeBSD src repository
>
> Modified files:
> lib/msun/src e_sqrt.c math.h
> Added files:
> lib/msun/src e_sqrtl.c
> Log:
> MI implementation of sqrtl(). This is very slow and should
> be overridden when hardware sqrt is available.
Submitted by: Steve Kargl (earlier version)
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From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Sun, 2 Mar 2008 03:11:48 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/contrib/cvs/src log.c
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obrien 2008-03-02 03:11:48 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
contrib/cvs/src log.c
Log:
MFC: rev 1.3: '-n' option which is the opposite of '-N'.
Revision Changes Path
1.2.8.1 +10 -2 src/contrib/cvs/src/log.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 2 Mar 2008 05:54:34 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/modules/geom Makefile
src/sys/modules/geom/geom_part Makefile
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marcel 2008-03-02 05:54:34 UTC
FreeBSD src repository
Modified files:
sys/modules/geom Makefile
Added files:
sys/modules/geom/geom_part Makefile
Log:
Add geom_part module.
Revision Changes Path
1.23 +1 -0 src/sys/modules/geom/Makefile
1.1 +18 -0 src/sys/modules/geom/geom_part/Makefile (new)
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 2 Mar 2008 05:59:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/modules/geom/geom_apple Makefile
src/sys/modules/geom/geom_gpt Makefile
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marcel 2008-03-02 05:59:25 UTC
FreeBSD src repository
Removed files:
sys/modules/geom/geom_apple Makefile
sys/modules/geom/geom_gpt Makefile
Log:
Remove makefiles for geom_apple and geom_gpt. These are non-existent
for while.
Revision Changes Path
1.2 +0 -8 src/sys/modules/geom/geom_apple/Makefile (dead)
1.2 +0 -8 src/sys/modules/geom/geom_gpt/Makefile (dead)
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 2 Mar 2008 06:24:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/conf NOTES
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marcel 2008-03-02 06:24:29 UTC
FreeBSD src repository
Modified files:
sys/conf NOTES
Log:
Add the SMI VTOC8 disk label option.
Revision Changes Path
1.1472 +1 -0 src/sys/conf/NOTES
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From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Sun, 2 Mar 2008 06:33:11 +0000 (UTC)
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Subject: cvs commit: src/lib/libelf gelf_rel.c gelf_rela.c
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jkoshy 2008-03-02 06:33:11 UTC
FreeBSD src repository
Modified files:
lib/libelf gelf_rel.c gelf_rela.c
Log:
Translate the r_info field of ELF relocation records when converting
between 64 and 32 bit variants.
Submitted by: kaiw
Revision Changes Path
1.2 +11 -2 src/lib/libelf/gelf_rel.c
1.2 +12 -2 src/lib/libelf/gelf_rela.c
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From: Kai Wang <kaiw@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:01:01 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/ar write.c
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kaiw 2008-03-02 07:01:01 UTC
FreeBSD src repository
Modified files:
usr.bin/ar write.c
Log:
- Do not malloc buffer for 0-size member when reading from archive.
- Fix a malloc buffer overrun: Use a while loop to check whether
the string buffer is big enough after resizing, since doubling
once might not be enough when a very long member name or symbol
name is provided.
- Fix typo.
Reported by: Michael Plass <mfp49_freebsd@plass-family.net>
Tested by: Michael Plass <mfp49_freebsd@plass-family.net>
Reviewed by: jkoshy
Approved by: jkoshy
Revision Changes Path
1.4 +17 -11 src/usr.bin/ar/write.c
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 07:19:35 2008
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:19:35 +0000 (UTC)
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Subject: cvs commit: src/sys/sys sched.h src/sys/kern sched_4bsd.c
sched_ule.c
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jeff 2008-03-02 07:19:35 UTC
FreeBSD src repository
Modified files:
sys/sys sched.h
sys/kern sched_4bsd.c sched_ule.c
Log:
- Add a new sched_affinity() api to be used in the upcoming cpuset
implementation.
- Add empty implementations of sched_affinity() to 4BSD and ULE.
Sponsored by: Nokia
Revision Changes Path
1.113 +5 -0 src/sys/kern/sched_4bsd.c
1.224 +5 -0 src/sys/kern/sched_ule.c
1.34 +2 -1 src/sys/sys/sched.h
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:39:22 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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jeff 2008-03-02 07:39:22 UTC
FreeBSD src repository
Modified files:
sys/conf files
sys/kern init_main.c kern_thread.c syscalls.master
sys/sys _types.h types.h proc.h
lib/libc/sys Symbol.map
Added files:
sys/kern kern_cpuset.c
sys/sys cpuset.h
Log:
Add cpuset, an api for thread to cpu binding and cpu resource grouping
and assignment.
- Add a reference to a struct cpuset in each thread that is inherited from
the thread that created it.
- Release the reference when the thread is destroyed.
- Add prototypes for syscalls and macros for manipulating cpusets in
sys/cpuset.h
- Add syscalls to create, get, and set new numbered cpusets:
cpuset(), cpuset_{get,set}id()
- Add syscalls for getting and setting affinity masks for cpusets or
individual threads: cpuid_{get,set}affinity()
- Add types for the 'level' and 'which' parameters for the cpuset. This
will permit expansion of the api to cover cpu masks for other objects
identifiable with an id_t integer. For example, IRQs and Jails may be
coming soon.
- The root set 0 contains all valid cpus. All thread initially belong to
cpuset 1. This permits migrating all threads off of certain cpus to
reserve them for special applications.
Sponsored by: Nokia
Discussed with: arch, rwatson, brooks, davidxu, deischen
Reviewed by: antoine
Revision Changes Path
1.10 +15 -0 src/lib/libc/sys/Symbol.map
1.1275 +1 -0 src/sys/conf/files
1.291 +2 -0 src/sys/kern/init_main.c
1.1 +907 -0 src/sys/kern/kern_cpuset.c (new)
1.266 +5 -1 src/sys/kern/kern_thread.c
1.238 +13 -0 src/sys/kern/syscalls.master
1.24 +3 -0 src/sys/sys/_types.h
1.1 +146 -0 src/sys/sys/cpuset.h (new)
1.504 +2 -1 src/sys/sys/proc.h
1.98 +4 -0 src/sys/sys/types.h
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:41:10 +0000 (UTC)
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Subject: cvs commit: src/sys/kern init_sysent.c syscalls.c systrace_args.c
src/sys/sys syscall.h syscall.mk sysproto.h
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jeff 2008-03-02 07:41:10 UTC
FreeBSD src repository
Modified files:
sys/kern init_sysent.c syscalls.c systrace_args.c
sys/sys syscall.h syscall.mk sysproto.h
Log:
- Regen for cpuset
Sponsored by: Nokia
Revision Changes Path
1.234 +6 -1 src/sys/kern/init_sysent.c
1.218 +6 -1 src/sys/kern/syscalls.c
1.18 +48 -0 src/sys/kern/systrace_args.c
1.215 +7 -2 src/sys/sys/syscall.h
1.170 +7 -2 src/sys/sys/syscall.mk
1.219 +39 -1 src/sys/sys/sysproto.h
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Date: Sun, 2 Mar 2008 07:51:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.bin/cpuset Makefile cpuset.c
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jeff 2008-03-02 07:51:29 UTC
FreeBSD src repository
Added files:
usr.bin/cpuset Makefile cpuset.c
Log:
Add a simple utility for manipulating cpusets. Man page will be available
soon.
- Lists of cpus may be specified with -l with ranges specified as low-high and
commas between individual cpus and ranges. ie -l 0-2,4,6-8.
- cpuset can modified -p pids, -t tids, or -s cpusetids.
- cpuset can -g get the current mask for any of the above.
Sponsored by: Nokia
Revision Changes Path
1.1 +7 -0 src/usr.bin/cpuset/Makefile (new)
1.1 +328 -0 src/usr.bin/cpuset/cpuset.c (new)
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From: Jeff Roberson <jeff@FreeBSD.org>
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Subject: cvs commit: src/usr.bin Makefile
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jeff 2008-03-02 07:52:26 UTC
FreeBSD src repository
Modified files:
usr.bin Makefile
Log:
- Add cpuset to the build.
Sponsored by: Nokia
Revision Changes Path
1.311 +1 -0 src/usr.bin/Makefile
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 07:58:42 +0000 (UTC)
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Subject: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c
mp_machdep.c src/sys/i386/include smp.h src/sys/ia64/ia64
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jeff 2008-03-02 07:58:42 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 identcpu.c mp_machdep.c
sys/amd64/include smp.h
sys/i386/i386 identcpu.c mp_machdep.c
sys/i386/include smp.h
sys/ia64/ia64 mp_machdep.c
sys/kern sched_ule.c subr_smp.c
sys/powerpc/powerpc mp_machdep.c
sys/sparc64/sparc64 mp_machdep.c
sys/sun4v/sun4v mp_machdep.c
sys/sys smp.h
Log:
- Remove the old smp cpu topology specification with a new, more flexible
tree structure that encodes the level of cache sharing and other
properties.
- Provide several convenience functions for creating one and two level
cpu trees as well as a default flat topology. The system now always
has some topology.
- On i386 and amd64 create a seperate level in the hierarchy for HTT
and multi-core cpus. This will allow the scheduler to intelligently
load balance non-uniform cores. Presently we don't detect what level
of the cache hierarchy is shared at each level in the topology.
- Add a mechanism for testing common topologies that have more information
than the MD code is able to provide via the kern.smp.topology tunable.
This should be considered a debugging tool only and not a stable api.
Sponsored by: Nokia
Revision Changes Path
1.158 +7 -1 src/sys/amd64/amd64/identcpu.c
1.288 +30 -41 src/sys/amd64/amd64/mp_machdep.c
1.92 +4 -1 src/sys/amd64/include/smp.h
1.184 +6 -1 src/sys/i386/i386/identcpu.c
1.283 +30 -41 src/sys/i386/i386/mp_machdep.c
1.91 +4 -1 src/sys/i386/include/smp.h
1.68 +7 -0 src/sys/ia64/ia64/mp_machdep.c
1.225 +1 -64 src/sys/kern/sched_ule.c
1.204 +188 -14 src/sys/kern/subr_smp.c
1.14 +7 -0 src/sys/powerpc/powerpc/mp_machdep.c
1.37 +7 -0 src/sys/sparc64/sparc64/mp_machdep.c
1.9 +7 -0 src/sys/sun4v/sun4v/mp_machdep.c
1.87 +32 -9 src/sys/sys/smp.h
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c
mp_machdep.c
src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern
sched_ule.c subr_smp.c ...
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On Sun, 2 Mar 2008, Jeff Roberson wrote:
> jeff 2008-03-02 07:58:42 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/amd64/amd64 identcpu.c mp_machdep.c
> sys/amd64/include smp.h
> sys/i386/i386 identcpu.c mp_machdep.c
> sys/i386/include smp.h
> sys/ia64/ia64 mp_machdep.c
> sys/kern sched_ule.c subr_smp.c
> sys/powerpc/powerpc mp_machdep.c
> sys/sparc64/sparc64 mp_machdep.c
> sys/sun4v/sun4v mp_machdep.c
> sys/sys smp.h
> Log:
> - Remove the old smp cpu topology specification with a new, more flexible
> tree structure that encodes the level of cache sharing and other
Should read 'replace'.
> properties.
> - Provide several convenience functions for creating one and two level
> cpu trees as well as a default flat topology. The system now always
> has some topology.
> - On i386 and amd64 create a seperate level in the hierarchy for HTT
> and multi-core cpus. This will allow the scheduler to intelligently
> load balance non-uniform cores. Presently we don't detect what level
> of the cache hierarchy is shared at each level in the topology.
s/seperate/separate/
Hopefully I coded better than I spelled.
Thanks,
Jeff
> - Add a mechanism for testing common topologies that have more information
> than the MD code is able to provide via the kern.smp.topology tunable.
> This should be considered a debugging tool only and not a stable api.
>
> Sponsored by: Nokia
>
> Revision Changes Path
> 1.158 +7 -1 src/sys/amd64/amd64/identcpu.c
> 1.288 +30 -41 src/sys/amd64/amd64/mp_machdep.c
> 1.92 +4 -1 src/sys/amd64/include/smp.h
> 1.184 +6 -1 src/sys/i386/i386/identcpu.c
> 1.283 +30 -41 src/sys/i386/i386/mp_machdep.c
> 1.91 +4 -1 src/sys/i386/include/smp.h
> 1.68 +7 -0 src/sys/ia64/ia64/mp_machdep.c
> 1.225 +1 -64 src/sys/kern/sched_ule.c
> 1.204 +188 -14 src/sys/kern/subr_smp.c
> 1.14 +7 -0 src/sys/powerpc/powerpc/mp_machdep.c
> 1.37 +7 -0 src/sys/sparc64/sparc64/mp_machdep.c
> 1.9 +7 -0 src/sys/sun4v/sun4v/mp_machdep.c
> 1.87 +32 -9 src/sys/sys/smp.h
>
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sun, 2 Mar 2008 08:21:00 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/kern sched_ule.c
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jeff 2008-03-02 08:20:59 UTC
FreeBSD src repository
Modified files:
sys/kern sched_ule.c
Log:
Add support for the new cpu topology api:
- When searching for affinity search backwards in the tree from the last
cpu we ran on while the thread still has affinity for the group. This
can take advantage of knowledge of shared L2 or L3 caches among a
group of cores.
- When searching for the least loaded cpu find the least loaded cpu via
the least loaded path through the tree. This load balances system bus
links, individual cache levels, and hyper-threaded/SMT cores.
- Make the periodic balancer recursively balance the highest and lowest
loaded cpu across each link.
Add support for cpusets:
- Convert the cpuset to a simple native cpumask_t while the kernel still
only supports cpumask.
- Pass the derived cpumask down through the cpu_search functions to
restrict the result cpus.
- Make the various steal functions resilient to failure since all threads
can not run on all cpus any longer.
General improvements:
- Precisely track the lowest priority thread on every runq with
tdq_setlowpri(). Before it was more advisory but this ended up having
pathological behaviors.
- Remove many #ifdef SMP conditions to simplify the code.
- Get rid of the old cumbersome tdq_group. This is more naturally
expressed via the cpu_group tree.
Sponsored by: Nokia
Testing by: kris
Revision Changes Path
1.226 +443 -501 src/sys/kern/sched_ule.c
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 08:27:44 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern sched_ule.c
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On Sun, 2 Mar 2008, Jeff Roberson wrote:
> jeff 2008-03-02 08:20:59 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern sched_ule.c
> Log:
> Add support for the new cpu topology api:
> - When searching for affinity search backwards in the tree from the last
> cpu we ran on while the thread still has affinity for the group. This
> can take advantage of knowledge of shared L2 or L3 caches among a
> group of cores.
> - When searching for the least loaded cpu find the least loaded cpu via
> the least loaded path through the tree. This load balances system bus
> links, individual cache levels, and hyper-threaded/SMT cores.
> - Make the periodic balancer recursively balance the highest and lowest
> loaded cpu across each link.
>
> Add support for cpusets:
> - Convert the cpuset to a simple native cpumask_t while the kernel still
> only supports cpumask.
> - Pass the derived cpumask down through the cpu_search functions to
> restrict the result cpus.
> - Make the various steal functions resilient to failure since all threads
> can not run on all cpus any longer.
>
> General improvements:
> - Precisely track the lowest priority thread on every runq with
> tdq_setlowpri(). Before it was more advisory but this ended up having
> pathological behaviors.
> - Remove many #ifdef SMP conditions to simplify the code.
> - Get rid of the old cumbersome tdq_group. This is more naturally
> expressed via the cpu_group tree.
>
With these changes ULE is the only scheduler that supports the new cpuset
api. It succeeds on 4BSD but the scheduler doesn't obey the masks.
I don't presently have a plan to implement it on 4BSD as it will be
potentially very inefficient to search the runq for a compatible thread on
every context switch. I won't object if someone else wants to implement
this, otherwise I'll make the syscalls return ENOSYS if 4BSD is compiled
in.
The improved cpu topology load balancing is a mixed bag. On some
workloads we see considerable improvements. Right now mysql suffers when
it has large numbers of threads but other things seem much improved. I
will be continuing to tune this however and in most cases it's a win
already.
Kris has done some excellent benchmarking as usual. Here you can see the
improvement in postgres depending on various scheduler debug settings:
http://people.freebsd.org/~kris/scaling/pgsql-16cpu.png
The horrible green line is 7.0 for reference. The blue line is the same
16core machine with half of the cores disabled.
Thanks,
Jeff
> Sponsored by: Nokia
> Testing by: kris
>
> Revision Changes Path
> 1.226 +443 -501 src/sys/kern/sched_ule.c
>
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Date: Sun, 2 Mar 2008 08:40:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netinet tcp_input.c
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bz 2008-03-02 08:40:47 UTC
FreeBSD src repository
Modified files:
sys/netinet tcp_input.c
Log:
Some "cleanup" of tcp_mss():
- Move the assigment of the socket down before we first need it.
No need to do it at the beginning and then drop out the function
by one of the returns before using it 100 lines further down.
- Use t_maxopd which was assigned the "tcp_mssdflt" for the corrrect
AF already instead of another #ifdef ? : #endif block doing the same.
- Remove an unneeded (duplicate) assignment of mss to t_maxseg just before
we possibly change mss and re-do the assignment without using t_maxseg
in between.
Reviewed by: silby
No objections: net@ (silence)
MFC after: 5 days
Revision Changes Path
1.373 +4 -8 src/sys/netinet/tcp_input.c
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Date: Sun, 2 Mar 2008 08:54:32 +0000 (UTC)
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blackend 2008-03-02 08:54:32 UTC
FreeBSD src repository (doc committer)
Modified files:
. access.doc_src
Log:
Changes to email forwards can be made without doceng's approval.
Please use "Approved by: core (implicit), doceng (implicit)" to that
type of commits.
Approved by: core (implicit), doceng (implicit)
Revision Changes Path
1.46 +3 -0 CVSROOT/access.doc_src
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blackend 2008-03-02 08:57:44 UTC
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Modified files:
. access.doc_src
Log:
Add missing "core (implicit)," to the text.
Pointy Hat: blackend (implicit)
Approved by: core (implicit), doceng (implicit)
Revision Changes Path
1.47 +2 -1 CVSROOT/access.doc_src
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From: Dmitry Morozovsky <marck@rinet.ru>
To: Marc Fonvieille <blackend@freebsd.org>
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Subject: Re: cvs commit: CVSROOT access.doc_src
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On Sun, 2 Mar 2008, Marc Fonvieille wrote:
MF> blackend 2008-03-02 08:57:44 UTC
MF>
MF> FreeBSD src repository (doc committer)
MF>
MF> Modified files:
MF> . access.doc_src
MF> Log:
MF> Add missing "core (implicit)," to the text.
MF>
MF> Pointy Hat: blackend (implicit)
MF> Approved by: core (implicit), doceng (implicit)
Implicit approval of impicit passing the implicit Pointy Hat [tm]? ;-P
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer: marck@FreeBSD.org ]
------------------------------------------------------------------------
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
------------------------------------------------------------------------
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From: Marc Fonvieille <blackend@FreeBSD.org>
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Subject: Re: cvs commit: CVSROOT access.doc_src
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On Sun, Mar 02, 2008 at 08:54:32AM +0000, Marc Fonvieille wrote:
> blackend 2008-03-02 08:54:32 UTC
>
> FreeBSD src repository (doc committer)
>
> Modified files:
> . access.doc_src
> Log:
> Changes to email forwards can be made without doceng's approval.
> Please use "Approved by: core (implicit), doceng (implicit)" to that
> type of commits.
>
> Approved by: core (implicit), doceng (implicit)
>
> Revision Changes Path
> 1.46 +3 -0 CVSROOT-src/access.doc_src
>
> http://cvsweb.FreeBSD.org/CVSROOT-src/access.doc_src.diff?r1=1.45&r2=1.46
> | --- CVSROOT-src/access.doc_src 2007/03/01 11:52:22 1.45
> | +++ CVSROOT-src/access.doc_src 2008/03/02 08:54:32 1.46
> | @@ -1,5 +1,5 @@
> | #
> | -# $FreeBSD: /usr/local/www/cvsroot/FreeBSD/CVSROOT-src/access.doc_src,v 1.45 2007/03/01 11:52:22 blackend Exp $
> | +# $FreeBSD: /usr/local/www/cvsroot/FreeBSD/CVSROOT-src/access.doc_src,v 1.46 2008/03/02 08:54:32 blackend Exp $
> | #
> | # This is for folks who are doc committers, but who work on docs in
> | # the src/ tree as well. To be clear, this file is in addition to
> | @@ -12,6 +12,9 @@
> | #
> | # KEEP ALPHABETICALLY SORTED!!!
> | #
> | +# Changes to email forwards can be made without doceng's approval.
> | +# Please use "Approved by: doceng (implicit)" to that type of commits.
Sorry, ^^ I had to add "core (implicit)," :(
> | +#
> | blackend
> | chern
> | jcamou
--
Marc
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From: Marc Fonvieille <blackend@freebsd.org>
To: Dmitry Morozovsky <marck@rinet.ru>
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Subject: Re: cvs commit: CVSROOT access.doc_src
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On Sun, Mar 02, 2008 at 12:01:09PM +0300, Dmitry Morozovsky wrote:
> On Sun, 2 Mar 2008, Marc Fonvieille wrote:
>
> MF> blackend 2008-03-02 08:57:44 UTC
> MF>
> MF> FreeBSD src repository (doc committer)
> MF>
> MF> Modified files:
> MF> . access.doc_src
> MF> Log:
> MF> Add missing "core (implicit)," to the text.
> MF>
> MF> Pointy Hat: blackend (implicit)
> MF> Approved by: core (implicit), doceng (implicit)
>
> Implicit approval of impicit passing the implicit Pointy Hat [tm]? ;-P
>
Hehe, this one was funny :)
the curse of the sunday morning commit...
--
Marc
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
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Subject: Re: cvs commit: CVSROOT access.doc_src
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Dmitry Morozovsky wrote:
> On Sun, 2 Mar 2008, Marc Fonvieille wrote:
> MF> Add missing "core (implicit)," to the text.
> MF>
> MF> Pointy Hat: blackend (implicit)
> MF> Approved by: core (implicit), doceng (implicit)
>
> Implicit approval of impicit passing the implicit Pointy Hat [tm]? ;-P
Are you trying to elicit an admission that Marc is complicit in an illicit
attempt to solicit explicit "implicit"s?
Colin "perfectly licit" Percival
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On Sat, Mar 01, 2008 at 10:29:50PM -1000, Jeff Roberson wrote:
>With these changes ULE is the only scheduler that supports the new cpuset=
=20
>api.
Excellent work. I didn't expect it to be implemented so quickly.
> It succeeds on 4BSD but the scheduler doesn't obey the masks. I don't=20
>presently have a plan to implement it on 4BSD as it will be potentially=20
>very inefficient to search the runq for a compatible thread on every=20
>context switch. I won't object if someone else wants to implement this,=
=20
>otherwise I'll make the syscalls return ENOSYS if 4BSD is compiled in.
I would prefer to see the project devote available resources to
improving ULE - with a view to deprecating 4BSD ASAP - rather than
retrofitting new features into 4BSD.
IMHO, it's not clear whether requests via the cpuset API should be
mandatory or advisory - I believe valid cases can be made for either
approach. In the latter case, it would be more reasonable for the
cpuset implementation on 4BSD to just be a no-op, rather than failing.
>Kris has done some excellent benchmarking as usual. Here you can see the=
=20
>improvement in postgres depending on various scheduler debug settings:
>
>http://people.freebsd.org/~kris/scaling/pgsql-16cpu.png
The improvement is quite substantial. Congratulations Jeff.
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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On Sun, Mar 02, 2008 at 01:12:02AM -0800, Colin Percival wrote:
>Are you trying to elicit an admission that Marc is complicit in an illicit
>attempt to solicit explicit "implicit"s?
>
>Colin "perfectly licit" Percival
Another one for the fortune file I think...
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys
_types.h cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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On Sun, Mar 02, 2008 at 07:39:22AM +0000, Jeff Roberson wrote:
> jeff 2008-03-02 07:39:22 UTC
>=20
> FreeBSD src repository
>=20
> Modified files:
> sys/conf files=20
> sys/kern init_main.c kern_thread.c syscalls.master=20
> sys/sys _types.h types.h proc.h=20
> lib/libc/sys Symbol.map=20
> Added files:
> sys/kern kern_cpuset.c=20
> sys/sys cpuset.h=20
> Log:
> Add cpuset, an api for thread to cpu binding and cpu resource grouping
> and assignment.
> - Add a reference to a struct cpuset in each thread that is inherited =
from
> the thread that created it.
> - Release the reference when the thread is destroyed.
> - Add prototypes for syscalls and macros for manipulating cpusets in
> sys/cpuset.h
> - Add syscalls to create, get, and set new numbered cpusets:
> cpuset(), cpuset_{get,set}id()
> - Add syscalls for getting and setting affinity masks for cpusets or
> individual threads: cpuid_{get,set}affinity()
> - Add types for the 'level' and 'which' parameters for the cpuset. Th=
is
> will permit expansion of the api to cover cpu masks for other objects
> identifiable with an id_t integer. For example, IRQs and Jails may =
be
> coming soon.
> - The root set 0 contains all valid cpus. All thread initially belong=
to
> cpuset 1. This permits migrating all threads off of certain cpus to
> reserve them for special applications.
> =20
> Sponsored by: Nokia
> Discussed with: arch, rwatson, brooks, davidxu, deischen
> Reviewed by: antoine
> =20
> Revision Changes Path
> 1.10 +15 -0 src/lib/libc/sys/Symbol.map
> 1.1275 +1 -0 src/sys/conf/files
> 1.291 +2 -0 src/sys/kern/init_main.c
> 1.1 +907 -0 src/sys/kern/kern_cpuset.c (new)
> 1.266 +5 -1 src/sys/kern/kern_thread.c
> 1.238 +13 -0 src/sys/kern/syscalls.master
> 1.24 +3 -0 src/sys/sys/_types.h
> 1.1 +146 -0 src/sys/sys/cpuset.h (new)
> 1.504 +2 -1 src/sys/sys/proc.h
> 1.98 +4 -0 src/sys/sys/types.h
Is the ommission of the 32-bits compat syscalls intended ?
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Date: Sun, 2 Mar 2008 11:10:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src Makefile.inc1 src/gnu/usr.bin/binutils/ar Makefile
src/gnu/usr.bin/binutils/ranlib Makefile
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ru 2008-03-02 11:10:47 UTC
FreeBSD src repository
Modified files:
. Makefile.inc1
gnu/usr.bin/binutils/ar Makefile
gnu/usr.bin/binutils/ranlib Makefile
Log:
Set AR=gnu-ar and RANLIB=gnu-ranlib on systems where we are forced
to use GNU tools. Remove the _WITH_GNUAR knob.
Prodded by: obrien
Revision Changes Path
1.601 +3 -4 src/Makefile.inc1
1.18 +0 -2 src/gnu/usr.bin/binutils/ar/Makefile
1.19 +0 -2 src/gnu/usr.bin/binutils/ranlib/Makefile
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From: Philip Paeps <philip@FreeBSD.org>
Date: Sun, 2 Mar 2008 11:33:54 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/dev/md md.c
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philip 2008-03-02 11:33:54 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/md md.c
Log:
MFC r1.174:
Zero sc->vnode if mdsetcred() fails.
This fixes the panic which happens when mdcreate_vnode() calls vn_close()
and mddestroy() calls it again further down the error handling path.
Revision Changes Path
1.169.2.1 +1 -0 src/sys/dev/md/md.c
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To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/usb ucom.c
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Modified files: (Branch: RELENG_7)
sys/dev/usb ucom.c
Log:
MFC: rev 1.65.
o Add module event handler.
o Update copyright year.
Revision Changes Path
1.64.2.1 +19 -2 src/sys/dev/usb/ucom.c
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From: Shunsuke Akiyama <akiyama@FreeBSD.org>
Date: Sun, 2 Mar 2008 13:07:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/dev/usb ucom.c
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akiyama 2008-03-02 13:07:03 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/usb ucom.c
Log:
MFC: rev 1.65.
o Add module event handler.
o Update copyright year.
Revision Changes Path
1.57.2.2 +19 -2 src/sys/dev/usb/ucom.c
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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 2 Mar 2008 14:00:50 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/compat/linux linux_futex.c
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kib 2008-03-02 14:00:50 UTC
FreeBSD src repository
Modified files:
sys/compat/linux linux_futex.c
Log:
Return ENOSYS instead of 0 for the unknown futex operations.
Submitted by: rdivacky
Reported and tested by: Gary Stanley <gary velocity-servers net>
Revision Changes Path
1.11 +1 -1 src/sys/compat/linux/linux_futex.c
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From: Roman Divacky <rdivacky@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/compat/linux linux_futex.c
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On Sun, Mar 02, 2008 at 02:00:50PM +0000, Konstantin Belousov wrote:
> kib 2008-03-02 14:00:50 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/compat/linux linux_futex.c
> Log:
> Return ENOSYS instead of 0 for the unknown futex operations.
>
> Submitted by: rdivacky
> Reported and tested by: Gary Stanley <gary velocity-servers net>
thnx for the commit.. will you MFC this?
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 14:54:49 2008
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 2 Mar 2008 14:54:48 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/dev/re if_re.c
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rwatson 2008-03-02 14:54:48 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/re if_re.c
Log:
Conditionally acquire Giant based on debug.mpsafenet around entry points
from if_re taskqueue and other potentially Giant-free spots. If we don't
do this, Giant may not be held entering KAME IPSEC, etc.
This problem appeared in FreeBSD 6.2 as a result of a move to fast
interrupts, and does not exist in 7.x due to not having debug.mpsafenet.
PR: 118719
Reported by: Dan Lukes <dan at obluda dot cz>
Reviwed by: yongari
Revision Changes Path
1.46.2.39 +6 -0 src/sys/dev/re/if_re.c
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 16:31:36 2008
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Date: Sun, 2 Mar 2008 08:04:54 -0800 (PST)
From: Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca>
To: Jeff Roberson <jeff@FreeBSD.org>, src-committers@FreeBSD.org,
cvs-src@FreeBSD.org
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Cc:
Subject: Re: cvs commit: src/sys/kern sched_ule.c
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----- Original Message ----
> From: Jeff Roberson <jeff@FreeBSD.org>
> To: src-committers@FreeBSD.org; cvs-src@FreeBSD.org; cvs-all@FreeBSD.org
> Sent: Sunday, March 2, 2008 11:21:00 AM
> Subject: cvs commit: src/sys/kern sched_ule.c
>
> jeff 2008-03-02 08:20:59 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern sched_ule.c
> Log:
> Add support for the new cpu topology api:
> - When searching for affinity search backwards in the tree from the last
> cpu we ran on while the thread still has affinity for the group. This
> can take advantage of knowledge of shared L2 or L3 caches among a
> group of cores.
> - When searching for the least loaded cpu find the least loaded cpu via
> the least loaded path through the tree. This load balances system bus
> links, individual cache levels, and hyper-threaded/SMT cores.
> - Make the periodic balancer recursively balance the highest and lowest
> loaded cpu across each link.
>
> Add support for cpusets:
> - Convert the cpuset to a simple native cpumask_t while the kernel still
> only supports cpumask.
> - Pass the derived cpumask down through the cpu_search functions to
> restrict the result cpus.
> - Make the various steal functions resilient to failure since all threads
> can not run on all cpus any longer.
>
> General improvements:
> - Precisely track the lowest priority thread on every runq with
> tdq_setlowpri(). Before it was more advisory but this ended up having
> pathological behaviors.
> - Remove many #ifdef SMP conditions to simplify the code.
> - Get rid of the old cumbersome tdq_group. This is more naturally
> expressed via the cpu_group tree.
>
> Sponsored by: Nokia
> Testing by: kris
>
> Revision Changes Path
> 1.226 +443 -501 src/sys/kern/sched_ule.c
> _______________________________________________
Is it possible to have patch for RELENG_7?
Regards,
-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/
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From owner-cvs-src@FreeBSD.ORG Sun Mar 2 17:06:03 2008
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Date: Sun, 2 Mar 2008 17:05:57 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/powerpc/aim machdep.c swtch.S trap.c
trap_subr.S vm_machdep.c src/sys/powerpc/include frame.h hid.h
kdb.h pcb.h pcpu.h src/sys/powerpc/powerpc db_trace.c genassym.c
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raj 2008-03-02 17:05:57 UTC
FreeBSD src repository
Modified files:
sys/powerpc/aim machdep.c swtch.S trap.c trap_subr.S
vm_machdep.c
sys/powerpc/include frame.h hid.h kdb.h pcb.h pcpu.h
sys/powerpc/powerpc db_trace.c genassym.c
Log:
Unify and generalize PowerPC headers, adjust AIM code accordingly.
Rework of this area is a pre-requirement for importing e500 support (and
other PowerPC core variations in the future). Mainly the following
headers are refactored so that we can cover for low-level differences between
various machines within PowerPC architecture:
<machine/pcpu.h>
<machine/pcb.h>
<machine/kdb.h>
<machine/hid.h>
<machine/frame.h>
Areas which use the above are adjusted and cleaned up.
Credits for this rework go to marcel@
Approved by: cognet (mentor)
MFp4: e500
Revision Changes Path
1.109 +18 -3 src/sys/powerpc/aim/machdep.c
1.24 +2 -2 src/sys/powerpc/aim/swtch.S
1.71 +7 -7 src/sys/powerpc/aim/trap.c
1.18 +12 -12 src/sys/powerpc/aim/trap_subr.S
1.119 +2 -2 src/sys/powerpc/aim/vm_machdep.c
1.13 +15 -5 src/sys/powerpc/include/frame.h
1.5 +39 -34 src/sys/powerpc/include/hid.h
1.5 +4 -11 src/sys/powerpc/include/kdb.h
1.10 +11 -3 src/sys/powerpc/include/pcb.h
1.25 +55 -4 src/sys/powerpc/include/pcpu.h
1.15 +20 -10 src/sys/powerpc/powerpc/db_trace.c
1.61 +55 -12 src/sys/powerpc/powerpc/genassym.c
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 17:12:29 2008
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Date: Sun, 2 Mar 2008 17:12:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/netipsec key.c key_debug.c
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bz 2008-03-02 17:12:29 UTC
FreeBSD src repository
Modified files:
sys/netipsec key.c key_debug.c
Log:
Fix bugs when allocating and passing information of current lifetime and
soft lifetime [1] introduced in rev. 1.21 of key.c.
Along with that, fix a related problem in key_debug
printing the correct data.
While there replace a printf by panic in a sanity check.
PR: 120751
Submitted by: Kazuaki ODA (kazuaki aliceblue.jp) [1]
MFC after: 5 days
Revision Changes Path
1.29 +7 -2 src/sys/netipsec/key.c
1.6 +22 -4 src/sys/netipsec/key_debug.c
From owner-cvs-src@FreeBSD.ORG Sun Mar 2 18:56:14 2008
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 2 Mar 2008 18:56:14 +0000 (UTC)
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Subject: cvs commit: src/sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
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rwatson 2008-03-02 18:56:14 UTC
FreeBSD src repository
Modified files:
sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
Log:
Replace lockmgr lock protecting smbfs node hash table with sx lock.
MFC after: 1 month
Revision Changes Path
1.13 +3 -1 src/sys/fs/smbfs/smbfs.h
1.38 +3 -5 src/sys/fs/smbfs/smbfs_node.c
1.44 +4 -3 src/sys/fs/smbfs/smbfs_vfsops.c
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Date: Sun, 2 Mar 2008 19:02:30 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/fs/nwfs nwfs_node.c
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rwatson 2008-03-02 19:02:30 UTC
FreeBSD src repository
Modified files:
sys/fs/nwfs nwfs_node.c
Log:
Replace lockmgr lock protecting nwfs vnode hash table with an sx lock.
MFC after: 1 month
Revision Changes Path
1.43 +15 -12 src/sys/fs/nwfs/nwfs_node.c
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From: "Attilio Rao" <attilio@freebsd.org>
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Subject: Re: cvs commit: src/sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
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2008/3/2, Robert Watson <rwatson@freebsd.org>:
> rwatson 2008-03-02 18:56:14 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
> Log:
> Replace lockmgr lock protecting smbfs node hash table with sx lock.
Thanks a lot for this and other similar changes!
Attilio
--
Peace can only be achieved by understanding - A. Einstein
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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Sun, 2 Mar 2008 20:07:48 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man9 lock.9
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brueffer 2008-03-02 20:07:48 UTC
FreeBSD src repository
Modified files:
share/man/man9 lock.9
Log:
New sentence -> new line.
Revision Changes Path
1.30 +2 -1 src/share/man/man9/lock.9
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Date: Sun, 2 Mar 2008 20:16:56 +0000 (UTC)
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Subject: cvs commit: src/lib/msun/ld128 s_nanl.c
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das 2008-03-02 20:16:56 UTC
FreeBSD src repository
Modified files:
lib/msun/ld128 s_nanl.c
Log:
1 << 47 needs to be written 1ULL << 47.
Revision Changes Path
1.3 +1 -1 src/lib/msun/ld128/s_nanl.c
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From: "Yar Tikhiy" <yar@comp.chem.msu.su>
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Subject: Re: cvs commit: src/sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
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On Sun, Mar 2, 2008 at 9:56 PM, Robert Watson <rwatson@freebsd.org> wrote:
> rwatson 2008-03-02 18:56:14 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
> Log:
> Replace lockmgr lock protecting smbfs node hash table with sx lock.
This commit message is a textbook example of how not to write commit
messages: It accurately re-tells what was obvious from the diff anyway
but provides no pointers to the background for the change. Sorry for
my bitching, but I just couldn't resist... :-)
--
Yar
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Subject: Re: cvs commit: src/sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
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On Sun, 2 Mar 2008, Yar Tikhiy wrote:
> On Sun, Mar 2, 2008 at 9:56 PM, Robert Watson <rwatson@freebsd.org> wrote:
>> rwatson 2008-03-02 18:56:14 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/fs/smbfs smbfs.h smbfs_node.c smbfs_vfsops.c
>> Log:
>> Replace lockmgr lock protecting smbfs node hash table with sx lock.
>
> This commit message is a textbook example of how not to write commit
> messages: It accurately re-tells what was obvious from the diff anyway but
> provides no pointers to the background for the change. Sorry for my
> bitching, but I just couldn't resist... :-)
This change, the the similar change in nwfs, are part of a longer running
effort to move towards using our SMPng locks rather than the less
well-optimized and generally less pretty pre-SMPng primitives. I wouldn't
expect any noticeable improvement in performance, and ideally no change in
behavior, but it does reduce the number of unnecessary lockmgr consumers. In
this context, my definition of "necessary" is where a consumer relies on
specific semantics of lockmgr to function, such as LK_DRAIN, LK_UPGRADE, etc,
which don't have comparable behavior with the newer primitives.
Robert N M Watson
Computer Laboratory
University of Cambridge
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From: David Schultz <das@FreeBSD.org>
Date: Sun, 2 Mar 2008 20:49:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/tools/regression/lib/msun test-trig.c
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das 2008-03-02 20:49:25 UTC
FreeBSD src repository
Modified files:
tools/regression/lib/msun test-trig.c
Log:
Don't run tests that assume <= 64-bit precision on machines with quad
precision.
Revision Changes Path
1.2 +20 -8 src/tools/regression/lib/msun/test-trig.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 2 Mar 2008 21:34:17 +0000 (UTC)
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Subject: cvs commit: src/sys/security/audit audit_trigger.c
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rwatson 2008-03-02 21:34:17 UTC
FreeBSD src repository
Modified files:
sys/security/audit audit_trigger.c
Log:
Rather than copying out the full audit trigger record, which includes
a queue entry field, just copy out the unsigned int that is the trigger
message. In practice, auditd always requested sizeof(unsigned int), so
the extra bytes were ignored, but copying them out was not the intent.
MFC after: 1 month
Revision Changes Path
1.7 +1 -1 src/sys/security/audit/audit_trigger.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Sun, 2 Mar 2008 21:34:57 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/kern sched_4bsd.c
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marcel 2008-03-02 21:34:57 UTC
FreeBSD src repository
Modified files:
sys/kern sched_4bsd.c
Log:
Unbreak after cpuset: initialize td_cpuset in sched_fork_thread().
Revision Changes Path
1.114 +2 -0 src/sys/kern/sched_4bsd.c
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From: Tony Finch <fanf@FreeBSD.org>
Date: Sun, 2 Mar 2008 22:27:50 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/unifdef unifdef.c
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fanf 2008-03-02 22:27:49 UTC
FreeBSD src repository
Modified files:
usr.bin/unifdef unifdef.c
Log:
Typo in comment spotted by Hasso Tepper.
Obtained from: DragonFlyBSD
Revision Changes Path
1.23 +2 -2 src/usr.bin/unifdef/unifdef.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 2 Mar 2008 22:52:14 +0000 (UTC)
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Subject: cvs commit: src/sys/ufs/ufs ufs_extattr.c
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rwatson 2008-03-02 22:52:14 UTC
FreeBSD src repository
Modified files:
sys/ufs/ufs ufs_extattr.c
Log:
Don't auto-start or allow extattrctl for UFS2 file systems, as UFS2 has
native extended attributes. This didn't interfere with the operation of
UFS2 extended attributes, but the code shouldn't be running for UFS2.
MFC after: 2 weeks
Revision Changes Path
1.90 +18 -0 src/sys/ufs/ufs/ufs_extattr.c
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Date: Sun, 2 Mar 2008 23:26:35 +0000 (UTC)
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Subject: cvs commit: src/sys/netgraph ng_pppoe.c
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mav 2008-03-02 23:26:35 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_pppoe.c
Log:
Make session ID generator to use session ID hash.
Make session ID generator thread-safe.
Revision Changes Path
1.93 +37 -40 src/sys/netgraph/ng_pppoe.c
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Date: Mon, 03 Mar 2008 11:25:36 +0800
From: David Xu <davidxu@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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Jeff Roberson wrote:
> jeff 2008-03-02 07:41:10 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern init_sysent.c syscalls.c systrace_args.c
> sys/sys syscall.h syscall.mk sysproto.h
> Log:
> - Regen for cpuset
>
> Sponsored by: Nokia
>
> Revision Changes Path
> 1.234 +6 -1 src/sys/kern/init_sysent.c
> 1.218 +6 -1 src/sys/kern/syscalls.c
> 1.18 +48 -0 src/sys/kern/systrace_args.c
> 1.215 +7 -2 src/sys/sys/syscall.h
> 1.170 +7 -2 src/sys/sys/syscall.mk
> 1.219 +39 -1 src/sys/sys/sysproto.h
>
One question is how I can determine the size of cpuset the kernel is
using ?
Regards,
David Xu
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 03:33:58 2008
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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Mon, 3 Mar 2008 03:33:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/re if_re.c src/sys/pci if_rlreg.h
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yongari 2008-03-03 03:33:58 UTC
FreeBSD src repository
Modified files:
sys/dev/re if_re.c
sys/pci if_rlreg.h
Log:
Implement WOL.
Tested by: Fabian Keil ( freebsd-listen AT fabienkeli DOT de )
Revision Changes Path
1.104 +108 -0 src/sys/dev/re/if_re.c
1.71 +39 -1 src/sys/pci/if_rlreg.h
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From: Kip Macy <kmacy@FreeBSD.org>
Date: Mon, 3 Mar 2008 03:34:52 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/modules/cxgb/cxgb_t3fw Makefile
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kmacy 2008-03-03 03:34:52 UTC
FreeBSD src repository
Modified files:
sys/modules/cxgb/cxgb_t3fw Makefile
Log:
Add KMOD target.
Discovered by: Takahashi Yoshihiro
Revision Changes Path
1.2 +1 -0 src/sys/modules/cxgb/cxgb_t3fw/Makefile
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Date: Mon, 3 Mar 2008 03:41:06 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/re if_re.c src/sys/pci if_rlreg.h
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yongari 2008-03-03 03:41:06 UTC
FreeBSD src repository
Modified files:
sys/dev/re if_re.c
sys/pci if_rlreg.h
Log:
Don't allow jumbo frame on 8139C+ controller.
While I'm here add a check for minimal MTU length.
Revision Changes Path
1.105 +11 -3 src/sys/dev/re/if_re.c
1.72 +2 -0 src/sys/pci/if_rlreg.h
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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Mon, 3 Mar 2008 04:15:08 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/re if_re.c src/sys/pci if_rl.c
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yongari 2008-03-03 04:15:08 UTC
FreeBSD src repository
Modified files:
sys/dev/re if_re.c
sys/pci if_rl.c
Log:
Don't map memory/IO resource in device probe and just use PCI
vendor/revision/sub device id of the hardware to probe it.
This is the same way as NetBSD does and it enhances readabilty
a lot.
Revision Changes Path
1.106 +32 -41 src/sys/dev/re/if_re.c
1.173 +18 -41 src/sys/pci/if_rl.c
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From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Mon, 3 Mar 2008 04:29:25 +0000 (UTC)
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Subject: cvs commit: src/lib/libelf elf_update.c
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jkoshy 2008-03-03 04:29:25 UTC
FreeBSD src repository
Modified files:
lib/libelf elf_update.c
Log:
- Fix an off-by-one bug in _libelf_insert_section(). [1]
- Update (c) years.
Submitted by: kaiw [1]
Revision Changes Path
1.4 +11 -5 src/lib/libelf/elf_update.c
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Mon, 3 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>> jeff 2008-03-02 07:41:10 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/kern init_sysent.c syscalls.c systrace_args.c
>> sys/sys syscall.h syscall.mk sysproto.h Log:
>> - Regen for cpuset
>> Sponsored by: Nokia
>> Revision Changes Path
>> 1.234 +6 -1 src/sys/kern/init_sysent.c
>> 1.218 +6 -1 src/sys/kern/syscalls.c
>> 1.18 +48 -0 src/sys/kern/systrace_args.c
>> 1.215 +7 -2 src/sys/sys/syscall.h
>> 1.170 +7 -2 src/sys/sys/syscall.mk
>> 1.219 +39 -1 src/sys/sys/sysproto.h
>>
>
> One question is how I can determine the size of cpuset the kernel is
> using ?
I wrote it to tolerate user masks that were much larger than the kernel
mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel
it's MAXCPU. So in practice an application shouldn't have to redefine
CPU_SETSIZE. If your set is too small the kernel will return ERANGE
however. Unfortunately, if your set is larger than the kernel's
CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different errnos
for those cases.
>
> Regards,
> David Xu
>
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Cc: Jeff Roberson <jroberson@chesapeake.net>, src-committers@freebsd.org,
cvs-all@freebsd.org, cvs-src@freebsd.org
Subject: Re: cvs commit: src/sys/kern sched_ule.c
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Peter Jeremy wrote:
>
>> Kris has done some excellent benchmarking as usual. Here you can see the
>> improvement in postgres depending on various scheduler debug settings:
>>
>> http://people.freebsd.org/~kris/scaling/pgsql-16cpu.png
>
> The improvement is quite substantial. Congratulations Jeff.
the drop off after 14 is intersting..
>
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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Jeff Roberson wrote:
>>
>> One question is how I can determine the size of cpuset the kernel is
>> using ?
>
> I wrote it to tolerate user masks that were much larger than the kernel
> mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel
> it's MAXCPU. So in practice an application shouldn't have to redefine
> CPU_SETSIZE. If your set is too small the kernel will return ERANGE
> however. Unfortunately, if your set is larger than the kernel's
> CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different
> errnos for those cases.
>
maybe the prototype of cpuset_getaffinity() can be changed to:
int cpuset_getaffinity(cpulevel_t, cpuwhich_t, id_t, int
*cpusetsize, cpuset_t *);
if *cpusetsize is zero, kernel just writes out the actual size the
kernel is using ?
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 06:39:41 2008
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From: Kevin Lo <kevlo@FreeBSD.org>
Date: Mon, 3 Mar 2008 06:39:36 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/arm/xscale/ixp425 ixp425_iic.c
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kevlo 2008-03-03 06:39:36 UTC
FreeBSD src repository
Modified files:
sys/arm/xscale/ixp425 ixp425_iic.c
Log:
Convert to be a 2-clause bsd-only license.
Pointed out by: rwatson
Revision Changes Path
1.2 +0 -7 src/sys/arm/xscale/ixp425/ixp425_iic.c
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davidxu 2008-03-03 08:28:13 UTC
FreeBSD src repository
Modified files:
include pthread_np.h
Log:
Add cpu affinity APIs to get and set thread's cpu affinity mask, the
functions are intented to be are compatible with glibc.
Revision Changes Path
1.21 +7 -0 src/include/pthread_np.h
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Cc:
Subject: cvs commit: src/usr.bin/find find.1 main.c
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ru 2008-03-03 08:32:58 UTC
FreeBSD src repository
Modified files:
usr.bin/find find.1 main.c
Log:
Fix SYNOPSIS and usage().
Revision Changes Path
1.86 +7 -7 src/usr.bin/find/find.1
1.16 +3 -2 src/usr.bin/find/main.c
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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Mon, 3 Mar 2008 08:55:50 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/share/man/man4 fwohci.4
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brueffer 2008-03-03 08:55:50 UTC
FreeBSD src repository
Modified files:
share/man/man4 fwohci.4
Log:
The Sony i.LINK (CXD1947) is _not_ supported.
PR: 116680
Submitted by: Jens Köhler <mail@chatty.de>
MFC after: 3 days
Revision Changes Path
1.17 +1 -3 src/share/man/man4/fwohci.4
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Date: Mon, 03 Mar 2008 17:00:17 +0800
From: David Xu <davidxu@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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Jeff Roberson wrote:
> jeff 2008-03-02 07:39:22 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/conf files
> sys/kern init_main.c kern_thread.c syscalls.master
> sys/sys _types.h types.h proc.h
> lib/libc/sys Symbol.map
> Added files:
> sys/kern kern_cpuset.c
> sys/sys cpuset.h
> Log:
> Add cpuset, an api for thread to cpu binding and cpu resource grouping
> and assignment.
> - Add a reference to a struct cpuset in each thread that is inherited from
> the thread that created it.
> - Release the reference when the thread is destroyed.
> - Add prototypes for syscalls and macros for manipulating cpusets in
> sys/cpuset.h
> - Add syscalls to create, get, and set new numbered cpusets:
> cpuset(), cpuset_{get,set}id()
> - Add syscalls for getting and setting affinity masks for cpusets or
> individual threads: cpuid_{get,set}affinity()
> - Add types for the 'level' and 'which' parameters for the cpuset. This
> will permit expansion of the api to cover cpu masks for other objects
> identifiable with an id_t integer. For example, IRQs and Jails may be
> coming soon.
> - The root set 0 contains all valid cpus. All thread initially belong to
> cpuset 1. This permits migrating all threads off of certain cpus to
> reserve them for special applications.
>
> Sponsored by: Nokia
> Discussed with: arch, rwatson, brooks, davidxu, deischen
> Reviewed by: antoine
>
The cpuset_setaffinity with command CPU_WHICH_TID may hurt another
process if a weird process is out of the control.
The current code intents to lookup globally a thread has exact thread
id, because thread may be created and exited quickly, and thread ID is
reused quickly too, it is possible the weird process gives an outdated
thread ID to the API, and an irrelvant thread within another process
belongs to same user gets bind to cpus, such problem is very difficult
to be diagnosed when it happens, and it is an administrator is
nightmare. I think there should be a CPU_WHICH_TID_LOCAL command
to limit the searching scope in current process, and in most case,
the CPU_WHICH_TID_LOCAL will be used instead.
Regards,
David Xu
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 09:05:12 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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David Xu wrote:
> The cpuset_setaffinity with command CPU_WHICH_TID may hurt another
> process if a weird process is out of the control.
> The current code intents to lookup globally a thread has exact thread
> id, because thread may be created and exited quickly, and thread ID is
> reused quickly too, it is possible the weird process gives an outdated
> thread ID to the API, and an irrelvant thread within another process
> belongs to same user gets bind to cpus, such problem is very difficult
> to be diagnosed when it happens, and it is an administrator is
> nightmare. I think there should be a CPU_WHICH_TID_LOCAL command
> to limit the searching scope in current process, and in most case,
> the CPU_WHICH_TID_LOCAL will be used instead.
>
> Regards,
> David Xu
>
>
or we always pass pid to cpu_setaffinity.
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 09:15:15 2008
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Date: Mon, 03 Mar 2008 01:13:11 -0800
From: Maxim Sobolev <sobomax@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c mp_machdep.c
src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern
sched_ule.c subr_smp.c ...
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Jeff Roberson wrote:
> jeff 2008-03-02 07:58:42 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/amd64/amd64 identcpu.c mp_machdep.c
> sys/amd64/include smp.h
> sys/i386/i386 identcpu.c mp_machdep.c
> sys/i386/include smp.h
> sys/ia64/ia64 mp_machdep.c
> sys/kern sched_ule.c subr_smp.c
> sys/powerpc/powerpc mp_machdep.c
> sys/sparc64/sparc64 mp_machdep.c
> sys/sun4v/sun4v mp_machdep.c
> sys/sys smp.h
> Log:
> - Remove the old smp cpu topology specification with a new, more flexible
> tree structure that encodes the level of cache sharing and other
> properties.
> - Provide several convenience functions for creating one and two level
> cpu trees as well as a default flat topology. The system now always
> has some topology.
> - On i386 and amd64 create a seperate level in the hierarchy for HTT
> and multi-core cpus. This will allow the scheduler to intelligently
> load balance non-uniform cores. Presently we don't detect what level
> of the cache hierarchy is shared at each level in the topology.
> - Add a mechanism for testing common topologies that have more information
> than the MD code is able to provide via the kern.smp.topology tunable.
> This should be considered a debugging tool only and not a stable api.
Cool! I am just curious if the new topology code is flexible enough to
support cores that come and go on the fly? This could be useful in
several scenarios, such as for example when running under multi-core
aware hypervisor (e.g. Niagara), in the cases when pro-active power
manager shuts down some cores to conserve power, in server applications
when one of CPUs either has fried or has been unplugged, etc.
-Maxim
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 09:16:29 2008
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Date: Mon, 3 Mar 2008 09:16:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/lib/libthr pthread.map src/lib/libthr/thread
Makefile.inc thr_affinity.c
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davidxu 2008-03-03 09:16:29 UTC
FreeBSD src repository
Modified files:
lib/libthr pthread.map
lib/libthr/thread Makefile.inc
Added files:
lib/libthr/thread thr_affinity.c
Log:
Implement functions pthread_getaffinity_np and pthread_setaffinity_np to
get and set thread's cpu affinity mask.
Revision Changes Path
1.27 +3 -1 src/lib/libthr/pthread.map
1.17 +1 -0 src/lib/libthr/thread/Makefile.inc
1.1 +74 -0 src/lib/libthr/thread/thr_affinity.c (new)
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 09:25:45 2008
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c
mp_machdep.c
src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern
sched_ule.c subr_smp.c ...
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On Mon, 3 Mar 2008, Maxim Sobolev wrote:
> Cool! I am just curious if the new topology code is flexible enough to
> support cores that come and go on the fly? This could be useful in several
> scenarios, such as for example when running under multi-core aware
> hypervisor (e.g. Niagara), in the cases when pro-active power manager shuts
> down some cores to conserve power, in server applications when one of CPUs
> either has fried or has been unplugged, etc.
We have quite a bit of kernel code that expects CPUs never come and go; I've
been hoping to interest people in having a devsummit session on CPU
hotplugging for a couple of years now. :-) I don't see physical hotplugging
as all that motivating currently, by hypervisor reallocation of CPUs *is*
immediately motivating. You'll find assumptions of fixed CPUs all over our
kernel -- schedulers, memory allocators, timer management, etc. A mature
model for starting and stopping CPUs and allowing kernel subsystems to
register with event handlers in order to start/stop their own services is
necessary. Similarly, providing a way for user applications that care about
CPU placement to hook into the event stream and respond appropriately is
important.
Robert N M Watson
Computer Laboratory
University of Cambridge
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 09:28:20 2008
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From: "Aryeh M. Friedman" <aryeh.friedman@gmail.com>
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Cc: Maxim Sobolev <sobomax@FreeBSD.org>, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org
Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c mp_machdep.c
src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern
sched_ule.c subr_smp.c ...
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Robert Watson wrote:
>
> On Mon, 3 Mar 2008, Maxim Sobolev wrote:
>
>> Cool! I am just curious if the new topology code is flexible enough
>> to support cores that come and go on the fly? This could be useful in
>> several scenarios, such as for example when running under multi-core
>> aware hypervisor (e.g. Niagara), in the cases when pro-active power
>> manager shuts down some cores to conserve power, in server
>> applications when one of CPUs either has fried or has been unplugged,
>> etc.
>
> We have quite a bit of kernel code that expects CPUs never come and
> go; I've been hoping to interest people in having a devsummit session
> on CPU hotplugging for a couple of years now. :-)
Grid computing is an other immediate application (depending on how
tightly coupled the nodes are of course)
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h cpuset.h
proc.h types.h src/lib/libc/sys Symbol.map
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David Xu wrote:
> Jeff Roberson wrote:
>> jeff 2008-03-02 07:39:22 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/conf files sys/kern init_main.c
>> kern_thread.c syscalls.master sys/sys _types.h
>> types.h proc.h lib/libc/sys Symbol.map Added files:
>> sys/kern kern_cpuset.c sys/sys
>> cpuset.h Log:
>> Add cpuset, an api for thread to cpu binding and cpu resource grouping
>> and assignment.
>> - Add a reference to a struct cpuset in each thread that is
>> inherited from
>> the thread that created it.
>> - Release the reference when the thread is destroyed.
>> - Add prototypes for syscalls and macros for manipulating cpusets in
>> sys/cpuset.h
>> - Add syscalls to create, get, and set new numbered cpusets:
>> cpuset(), cpuset_{get,set}id()
>> - Add syscalls for getting and setting affinity masks for cpusets or
>> individual threads: cpuid_{get,set}affinity()
>> - Add types for the 'level' and 'which' parameters for the
>> cpuset. This
>> will permit expansion of the api to cover cpu masks for other
>> objects
>> identifiable with an id_t integer. For example, IRQs and Jails
>> may be
>> coming soon.
>> - The root set 0 contains all valid cpus. All thread initially
>> belong to
>> cpuset 1. This permits migrating all threads off of certain
>> cpus to
>> reserve them for special applications.
>> Sponsored by: Nokia
>> Discussed with: arch, rwatson, brooks, davidxu, deischen
>> Reviewed by: antoine
>>
>
> The cpuset_setaffinity with command CPU_WHICH_TID may hurt another
> process if a weird process is out of the control.
> The current code intents to lookup globally a thread has exact thread
> id, because thread may be created and exited quickly, and thread ID is
> reused quickly too, it is possible the weird process gives an outdated
> thread ID to the API, and an irrelvant thread within another process
> belongs to same user gets bind to cpus, such problem is very difficult
> to be diagnosed when it happens, and it is an administrator is
> nightmare. I think there should be a CPU_WHICH_TID_LOCAL command
> to limit the searching scope in current process, and in most case,
> the CPU_WHICH_TID_LOCAL will be used instead.
Would lack of this cause binaries compiled against a non-cpuset
schedular to panic a cpuset one? Specifically when I was attempting to
verify the performence gain I commented out all *_affinity items in
sched_ule.c and kern_cpuset.c and it booted fine but panicked if any
forks from the shell occured (i.e. tcsh came up fine in single user mode
but *ANY* external command sent it into a panic)
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 10:06:52 2008
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From: Diomidis Spinellis <dds@FreeBSD.org>
Date: Mon, 3 Mar 2008 10:06:52 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/games/fortune/datfiles fortunes
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dds 2008-03-03 10:06:52 UTC
FreeBSD src repository
Modified files:
games/fortune/datfiles fortunes
Log:
Fix typo.
Revision Changes Path
1.258 +1 -1 src/games/fortune/datfiles/fortunes
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Date: Mon, 3 Mar 2008 10:12:46 +0000 (UTC)
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Subject: cvs commit: src/sys/netinet ip_fw_pfil.c
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piso 2008-03-03 10:12:46 UTC
FreeBSD src repository
Modified files:
sys/netinet ip_fw_pfil.c
Log:
Raise a bit ipfw kld priority.
Discussed on: net-, ipfw-.
Revision Changes Path
1.27 +1 -1 src/sys/netinet/ip_fw_pfil.c
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Date: Mon, 3 Mar 2008 11:39:11 +0000 (UTC)
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Subject: cvs commit: CVSROOT access
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brian 2008-03-03 11:39:11 UTC
FreeBSD src repository
Modified files:
. access
Log:
Restore my real domain name.
Approved by: core (wilko)
Revision Changes Path
1.862 +1 -1 CVSROOT/access
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Date: Mon, 3 Mar 2008 11:51:31 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/lib/libc/locale setrunelocale.c
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ache 2008-03-03 11:51:31 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libc/locale setrunelocale.c
Log:
MFC: 1.51 - better recover from unknown encoding found
(not by core dump)
Revision Changes Path
1.46.2.2 +27 -3 src/lib/libc/locale/setrunelocale.c
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern sched_4bsd.c
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On Sun, 2 Mar 2008, Marcel Moolenaar wrote:
> marcel 2008-03-02 21:34:57 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern sched_4bsd.c
> Log:
> Unbreak after cpuset: initialize td_cpuset in sched_fork_thread().
Thanks very much marcel. I just realized this error and was going to fix
it when I saw that you had already. Much appreciated.
Jeff
>
> Revision Changes Path
> 1.114 +2 -0 src/sys/kern/sched_4bsd.c
>
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Cc: Peter Jeremy <peterjeremy@optushome.com.au>, src-committers@FreeBSD.org,
cvs-all@FreeBSD.org, cvs-src@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern sched_ule.c
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On Sun, 2 Mar 2008, Julian Elischer wrote:
> Peter Jeremy wrote:
>
>>
>>> Kris has done some excellent benchmarking as usual. Here you can see the
>>> improvement in postgres depending on various scheduler debug settings:
>>>
>>> http://people.freebsd.org/~kris/scaling/pgsql-16cpu.png
>>
>> The improvement is quite substantial. Congratulations Jeff.
>
> the drop off after 14 is intersting..
It's contention on various kernel locks, most likely the proc lock.
Scheduling algorithms which limit concurrency at contention can improve
throughput in these cases but it is to the detriment of workloads which do
not suffer the same contention. The ultimate solution will be to improve
proc/sleepq/signal locking for 8.0.
>
>>
>
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 12:18:48 2008
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Cc: cvs-src@freebsd.org, Jeff Roberson <jeff@freebsd.org>,
src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h cpuset.h
proc.h types.h src/lib/libc/sys Symbol.map
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On Sun, 2 Mar 2008, Kostik Belousov wrote:
> On Sun, Mar 02, 2008 at 07:39:22AM +0000, Jeff Roberson wrote:
>> jeff 2008-03-02 07:39:22 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/conf files
>> sys/kern init_main.c kern_thread.c syscalls.master
>> sys/sys _types.h types.h proc.h
>> lib/libc/sys Symbol.map
>> Added files:
>> sys/kern kern_cpuset.c
>> sys/sys cpuset.h
>> Log:
>> Add cpuset, an api for thread to cpu binding and cpu resource grouping
>> and assignment.
>> - Add a reference to a struct cpuset in each thread that is inherited from
>> the thread that created it.
>> - Release the reference when the thread is destroyed.
>> - Add prototypes for syscalls and macros for manipulating cpusets in
>> sys/cpuset.h
>> - Add syscalls to create, get, and set new numbered cpusets:
>> cpuset(), cpuset_{get,set}id()
>> - Add syscalls for getting and setting affinity masks for cpusets or
>> individual threads: cpuid_{get,set}affinity()
>> - Add types for the 'level' and 'which' parameters for the cpuset. This
>> will permit expansion of the api to cover cpu masks for other objects
>> identifiable with an id_t integer. For example, IRQs and Jails may be
>> coming soon.
>> - The root set 0 contains all valid cpus. All thread initially belong to
>> cpuset 1. This permits migrating all threads off of certain cpus to
>> reserve them for special applications.
>>
>> Sponsored by: Nokia
>> Discussed with: arch, rwatson, brooks, davidxu, deischen
>> Reviewed by: antoine
>>
>> Revision Changes Path
>> 1.10 +15 -0 src/lib/libc/sys/Symbol.map
>> 1.1275 +1 -0 src/sys/conf/files
>> 1.291 +2 -0 src/sys/kern/init_main.c
>> 1.1 +907 -0 src/sys/kern/kern_cpuset.c (new)
>> 1.266 +5 -1 src/sys/kern/kern_thread.c
>> 1.238 +13 -0 src/sys/kern/syscalls.master
>> 1.24 +3 -0 src/sys/sys/_types.h
>> 1.1 +146 -0 src/sys/sys/cpuset.h (new)
>> 1.504 +2 -1 src/sys/sys/proc.h
>> 1.98 +4 -0 src/sys/sys/types.h
>
> Is the ommission of the 32-bits compat syscalls intended ?
>
No, but thanks for noticing. I need to discuss something with peter
first.
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Mon, 3 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>>>
>>> One question is how I can determine the size of cpuset the kernel is
>>> using ?
>>
>> I wrote it to tolerate user masks that were much larger than the kernel
>> mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel it's
>> MAXCPU. So in practice an application shouldn't have to redefine
>> CPU_SETSIZE. If your set is too small the kernel will return ERANGE
>> however. Unfortunately, if your set is larger than the kernel's
>> CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different errnos
>> for those cases.
>>
>
> maybe the prototype of cpuset_getaffinity() can be changed to:
>
> int cpuset_getaffinity(cpulevel_t, cpuwhich_t, id_t, int *cpusetsize,
> cpuset_t *);
>
> if *cpusetsize is zero, kernel just writes out the actual size the
> kernel is using ?
>
>
>
I don't really see this as a problem. I can define userspace to use 1024
cpus by default and we would probably never need to concern ourselves with
it. After all 1024 cpus should be enough forever.. ;)
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 12:26:38 2008
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
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Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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On Mon, 3 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>> jeff 2008-03-02 07:39:22 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/conf files sys/kern init_main.c
>> kern_thread.c syscalls.master sys/sys _types.h types.h
>> proc.h lib/libc/sys Symbol.map Added files:
>> sys/kern kern_cpuset.c sys/sys cpuset.h
>> Log:
>> Add cpuset, an api for thread to cpu binding and cpu resource grouping
>> and assignment.
>> - Add a reference to a struct cpuset in each thread that is inherited
>> from
>> the thread that created it.
>> - Release the reference when the thread is destroyed.
>> - Add prototypes for syscalls and macros for manipulating cpusets in
>> sys/cpuset.h
>> - Add syscalls to create, get, and set new numbered cpusets:
>> cpuset(), cpuset_{get,set}id()
>> - Add syscalls for getting and setting affinity masks for cpusets or
>> individual threads: cpuid_{get,set}affinity()
>> - Add types for the 'level' and 'which' parameters for the cpuset. This
>> will permit expansion of the api to cover cpu masks for other objects
>> identifiable with an id_t integer. For example, IRQs and Jails may be
>> coming soon.
>> - The root set 0 contains all valid cpus. All thread initially belong
>> to
>> cpuset 1. This permits migrating all threads off of certain cpus to
>> reserve them for special applications.
>> Sponsored by: Nokia
>> Discussed with: arch, rwatson, brooks, davidxu, deischen
>> Reviewed by: antoine
>>
>
> The cpuset_setaffinity with command CPU_WHICH_TID may hurt another
> process if a weird process is out of the control.
> The current code intents to lookup globally a thread has exact thread
> id, because thread may be created and exited quickly, and thread ID is reused
> quickly too, it is possible the weird process gives an outdated thread ID to
> the API, and an irrelvant thread within another process
> belongs to same user gets bind to cpus, such problem is very difficult
> to be diagnosed when it happens, and it is an administrator is
> nightmare. I think there should be a CPU_WHICH_TID_LOCAL command
> to limit the searching scope in current process, and in most case,
> the CPU_WHICH_TID_LOCAL will be used instead.
Does the tid allocator quickly recycle numbers? This would be different
from the pid allocator if it does. Basically every syscall that takes a
numeric id would be subject to this problem.
I expect application programers will more often specify binding from
within the running thread using -1.
However, there is a seperate problem that is endemic with our current
threading support. thread_find() requires the proc lock and returns a
pointer to the found thread. However, the proc lock is not sufficient to
ensure that the thread is not exiting and recycled after thread_find()
returns. I believe virtually every user of this interface may be subject
to races.
And while were on the subject. Why is it lwpid_t anyway? We don't have
lwps, we have threads.
Thanks,
Jeff
>
> Regards,
> David Xu
>
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Cc: Maxim Sobolev <sobomax@FreeBSD.org>, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org, cvs-src@FreeBSD.org
Subject: Re: cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c
src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c
mp_machdep.c
src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern
sched_ule.c subr_smp.c ...
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On Mon, 3 Mar 2008, Robert Watson wrote:
>
> On Mon, 3 Mar 2008, Maxim Sobolev wrote:
>
>> Cool! I am just curious if the new topology code is flexible enough to
>> support cores that come and go on the fly? This could be useful in several
>> scenarios, such as for example when running under multi-core aware
>> hypervisor (e.g. Niagara), in the cases when pro-active power manager shuts
>> down some cores to conserve power, in server applications when one of CPUs
>> either has fried or has been unplugged, etc.
>
> We have quite a bit of kernel code that expects CPUs never come and go; I've
> been hoping to interest people in having a devsummit session on CPU
> hotplugging for a couple of years now. :-) I don't see physical hotplugging
> as all that motivating currently, by hypervisor reallocation of CPUs *is*
> immediately motivating. You'll find assumptions of fixed CPUs all over our
> kernel -- schedulers, memory allocators, timer management, etc. A mature
> model for starting and stopping CPUs and allowing kernel subsystems to
> register with event handlers in order to start/stop their own services is
> necessary. Similarly, providing a way for user applications that care about
> CPU placement to hook into the event stream and respond appropriately is
> important.
Just to add a little bit more about cpu migration. Presently cpuset
enforces a hard limit on the cpus that a thread can run on. Also,
attempts to restrict the cpu set that would leave a thread without a
processor to run on fail. In the future I intend to add a force mode that
would return the thread to the default set.
These features can be used to migrate all of the threads in the system off
of certain processors. However, there is still a lot of state, as robert
has mentioned, that would have to be reclaimed.
I think long term what we need is a per-cpu init chain to take care of
these subsystems. I wasn't aware that we ran well enough within any
virtualization environment that this might be considered a useful feature.
Can anyone comment on that?
Thanks,
Jeff
>
> Robert N M Watson
> Computer Laboratory
> University of Cambridge
>
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ache 2008-03-03 12:51:02 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
lib/libc/locale setrunelocale.c
Log:
MFC: 1.51 - better recover from unknown encoding, not by core dump
Revision Changes Path
1.45.2.3 +27 -7 src/lib/libc/locale/setrunelocale.c
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From: Philippe Audeoud <jadawin@FreeBSD.org>
Date: Mon, 3 Mar 2008 13:12:27 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/misc committers-ports.dot
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jadawin 2008-03-03 13:12:27 UTC
FreeBSD src repository (ports committer)
Modified files:
share/misc committers-ports.dot
Log:
- Add myself to ports committers and to tabthorpe and thierry's mentee list
Approved by: thierry (co-mentor)
Revision Changes Path
1.67 +5 -0 src/share/misc/committers-ports.dot
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Date: Mon, 3 Mar 2008 13:14:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.bin/calendar/calendars calendar.freebsd
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jadawin 2008-03-03 13:14:39 UTC
FreeBSD src repository (ports committer)
Modified files:
usr.bin/calendar/calendars calendar.freebsd
Log:
- Add my birthday.
Approved by : thierry (co-mentor)
Revision Changes Path
1.227 +1 -0 src/usr.bin/calendar/calendars/calendar.freebsd
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 13:20:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/powerpc/include pmap.h psl.h pte.h sf_buf.h
spr.h tlb.h trap.h trap_aim.h trap_booke.h vmparam.h
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raj 2008-03-03 13:20:53 UTC
FreeBSD src repository
Modified files:
sys/powerpc/include pmap.h psl.h pte.h sf_buf.h spr.h trap.h
vmparam.h
Added files:
sys/powerpc/include tlb.h trap_aim.h trap_booke.h
Log:
Rework and extend PowerPC headers definitons towards Book-E/e500 CPUs support.
Approved by: cognet (mentor)
Obtained from: Juniper, Semihalf
MFp4: e500
Revision Changes Path
1.21 +70 -5 src/sys/powerpc/include/pmap.h
1.5 +32 -0 src/sys/powerpc/include/psl.h
1.6 +101 -1 src/sys/powerpc/include/pte.h
1.3 +30 -0 src/sys/powerpc/include/sf_buf.h
1.8 +148 -19 src/sys/powerpc/include/spr.h
1.1 +144 -0 src/sys/powerpc/include/tlb.h (new)
1.6 +6 -107 src/sys/powerpc/include/trap.h
1.1 +106 -0 src/sys/powerpc/include/trap_aim.h (new)
1.1 +55 -0 src/sys/powerpc/include/trap_booke.h (new)
1.12 +38 -7 src/sys/powerpc/include/vmparam.h
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 17:17:01 2008
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 17:17:01 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/conf options.powerpc src/sys/dev/uart uart.h
uart_bus_ocp.c uart_cpu_powerpc.c src/sys/kern subr_witness.c
src/sys/powerpc/booke clock.c copyinout.c interrupt.c locore.S
machdep.c pmap.c support.S swtch.S trap.c trap_subr.S ...
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raj 2008-03-03 17:17:01 UTC
FreeBSD src repository
Modified files:
sys/conf options.powerpc
sys/dev/uart uart.h uart_cpu_powerpc.c
sys/kern subr_witness.c
sys/powerpc/include md_var.h mmuvar.h
sys/powerpc/powerpc autoconf.c
Added files:
sys/dev/uart uart_bus_ocp.c
sys/powerpc/booke clock.c copyinout.c interrupt.c locore.S
machdep.c pmap.c support.S swtch.S trap.c
trap_subr.S uio_machdep.c vm_machdep.c
sys/powerpc/include ocpbus.h
sys/powerpc/mpc85xx nexus.c ocpbus.c ocpbus.h opic.c
pci_ocp.c
Log:
Initial support for Freescale PowerQUICC III MPC85xx system-on-chip family.
The PQ3 is a high performance integrated communications processing system
based on the e500 core, which is an embedded RISC processor that implements
the 32-bit Book E definition of the PowerPC architecture. For details refer
to: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPC8555E
This port was tested and successfully run on the following members of the PQ3
family: MPC8533, MPC8541, MPC8548, MPC8555.
The following major integrated peripherals are supported:
* On-chip peripherals bus
* OpenPIC interrupt controller
* UART
* Ethernet (TSEC)
* Host/PCI bridge
* QUICC engine (SCC functionality)
This commit brings the main functionality and will be followed by individual
drivers that are logically separate from this base.
Approved by: cognet (mentor)
Obtained from: Juniper, Semihalf
MFp4: e500
Revision Changes Path
1.12 +2 -0 src/sys/conf/options.powerpc
1.7 +1 -0 src/sys/dev/uart/uart.h
1.1 +88 -0 src/sys/dev/uart/uart_bus_ocp.c (new)
1.5 +26 -0 src/sys/dev/uart/uart_cpu_powerpc.c
1.240 +3 -0 src/sys/kern/subr_witness.c
1.1 +276 -0 src/sys/powerpc/booke/clock.c (new)
1.1 +304 -0 src/sys/powerpc/booke/copyinout.c (new)
1.1 +139 -0 src/sys/powerpc/booke/interrupt.c (new)
1.1 +497 -0 src/sys/powerpc/booke/locore.S (new)
1.1 +963 -0 src/sys/powerpc/booke/machdep.c (new)
1.1 +3107 -0 src/sys/powerpc/booke/pmap.c (new)
1.1 +106 -0 src/sys/powerpc/booke/support.S (new)
1.1 +145 -0 src/sys/powerpc/booke/swtch.S (new)
1.1 +679 -0 src/sys/powerpc/booke/trap.c (new)
1.1 +842 -0 src/sys/powerpc/booke/trap_subr.S (new)
1.1 +135 -0 src/sys/powerpc/booke/uio_machdep.c (new)
1.1 +517 -0 src/sys/powerpc/booke/vm_machdep.c (new)
1.31 +1 -0 src/sys/powerpc/include/md_var.h
1.2 +1 -0 src/sys/powerpc/include/mmuvar.h
1.1 +45 -0 src/sys/powerpc/include/ocpbus.h (new)
1.1 +144 -0 src/sys/powerpc/mpc85xx/nexus.c (new)
1.1 +585 -0 src/sys/powerpc/mpc85xx/ocpbus.c (new)
1.1 +86 -0 src/sys/powerpc/mpc85xx/ocpbus.h (new)
1.1 +99 -0 src/sys/powerpc/mpc85xx/opic.c (new)
1.1 +781 -0 src/sys/powerpc/mpc85xx/pci_ocp.c (new)
1.17 +4 -3 src/sys/powerpc/powerpc/autoconf.c
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 17:27:42 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf options.powerpc src/sys/dev/uart uart.h
uart_bus_ocp.c uart_cpu_powerpc.c src/sys/kern subr_witness.c
src/sys/powerpc/booke clock.c copyinout.c interrupt.c locore.S
machdep.c pmap.c support.S swtch.S trap.c trap_subr.S ...
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Rafal Jaworowski wrote:
> Log:
> Initial support for Freescale PowerQUICC III MPC85xx system-on-chip family.
>
Wahaeyyyy! Crack out the beers!!!
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 18:20:17 2008
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 18:20:17 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/dev/ic quicc.h src/sys/dev/quicc quicc_bfe.h
quicc_bfe_ocp.c quicc_bus.h quicc_core.c src/sys/dev/scc scc_bfe.h
scc_bfe_quicc.c scc_bus.h scc_dev_quicc.c src/sys/dev/uart
uart_bus_scc.c uart_dev_quicc.c
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raj 2008-03-03 18:20:17 UTC
FreeBSD src repository
Modified files:
sys/dev/scc scc_bfe.h scc_bus.h
sys/dev/uart uart_bus_scc.c
Added files:
sys/dev/ic quicc.h
sys/dev/quicc quicc_bfe.h quicc_bfe_ocp.c quicc_bus.h
quicc_core.c
sys/dev/scc scc_bfe_quicc.c scc_dev_quicc.c
sys/dev/uart uart_dev_quicc.c
Log:
Support for Freescale QUad Integrated Communications Controller.
The QUICC engine is found on various Freescale parts including MPC85xx, and
provides multiple generic time-division serial channel resources, which are in
turn muxed/demuxed by the Serial Communications Controller (SCC).
Along with core QUICC/SCC functionality a uart(4)-compliant device driver is
provided which allows for serial ports over QUICC/SCC.
Approved by: cognet (mentor)
Obtained from: Juniper
MFp4: e500
Revision Changes Path
1.1 +111 -0 src/sys/dev/ic/quicc.h (new)
1.1 +73 -0 src/sys/dev/quicc/quicc_bfe.h (new)
1.1 +94 -0 src/sys/dev/quicc/quicc_bfe_ocp.c (new)
1.1 +39 -0 src/sys/dev/quicc/quicc_bus.h (new)
1.1 +401 -0 src/sys/dev/quicc/quicc_core.c (new)
1.7 +1 -0 src/sys/dev/scc/scc_bfe.h
1.1 +95 -0 src/sys/dev/scc/scc_bfe_quicc.c (new)
1.2 +1 -0 src/sys/dev/scc/scc_bus.h
1.1 +151 -0 src/sys/dev/scc/scc_dev_quicc.c (new)
1.2 +3 -0 src/sys/dev/uart/uart_bus_scc.c
1.1 +487 -0 src/sys/dev/uart/uart_dev_quicc.c (new)
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 18:25:09 2008
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From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Jeff Roberson <jroberson@chesapeake.net>
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Cc: cvs-src@freebsd.org, Jeff Roberson <jeff@freebsd.org>,
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Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote:
>it. After all 1024 cpus should be enough forever.. ;)
I notice the smiley but... Based on Sun's claims, they should have 1024
thread boxes in 4-6 years. They have 64-thread boxes now (8 core x 8
thread) [*] and have said they'll double threads/chip every 12-18 months.
[*] I thought there was a dual-chip T5xxx which would have 128 threads)
but it doesn't show up.
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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From owner-cvs-src@FreeBSD.ORG Mon Mar 3 18:33:29 2008
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Cc: src-committers@freebsd.org, cvs-src@freebsd.org,
Jeff Roberson <jeff@freebsd.org>, cvs-all@freebsd.org,
David Xu <davidxu@freebsd.org>, Jeff Roberson <jroberson@chesapeake.net>
Subject: Re: cvs commit: src/sys/kern init_sysent.c
syscalls.c systrace_args.c
src/sys/sys syscall.h syscall.mk sysproto.h
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On Tue, 4 Mar 2008, Peter Jeremy wrote:
> On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote:
>> it. After all 1024 cpus should be enough forever.. ;)
>
> I notice the smiley but... Based on Sun's claims, they should have 1024
> thread boxes in 4-6 years. They have 64-thread boxes now (8 core x 8
> thread) [*] and have said they'll double threads/chip every 12-18 months.
>
> [*] I thought there was a dual-chip T5xxx which would have 128 threads)
> but it doesn't show up.
It's also instructive to look at scalability issues in file descriptor related
interfaces in userspace, which have a similar bitmask structure for things
like select(), etc with fixed-size arrays.
Robert N M Watson
Computer Laboratory
University of Cambridge
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 18:44:33 2008
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 18:44:33 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/mii ciphy.c miidevs
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raj 2008-03-03 18:44:33 UTC
FreeBSD src repository
Modified files:
sys/dev/mii ciphy.c miidevs
Log:
Recognize the quad-port Cicada (Vitesse) CS8204 10/100/1000TX PHY.
This PHY is found on many embedded development boards: among others MPC8555CDS
evaluation systems use it.
Approved by: cognet (mentor)
MFp4: e500
Revision Changes Path
1.10 +3 -1 src/sys/dev/mii/ciphy.c
1.49 +1 -0 src/sys/dev/mii/miidevs
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 19:03:44 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/tsec if_tsec.c if_tsec.h if_tsecreg.h
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raj 2008-03-03 19:03:44 UTC
FreeBSD src repository
Added files:
sys/dev/tsec if_tsec.c if_tsec.h if_tsecreg.h
Log:
Support for Freescale integrated Three-Speed Ethernet Controller (TSEC).
TSEC is the MAC engine offering 10, 100 or 1000 Mbps speed and is found on
different Freescale parts (MPC83xx, MPC85xx). Depending on the silicon version
there are up to four TSEC units integrated on the chip.
This driver also works with the enhanced version of the controller (eTSEC),
which is backwards compatible, but doesn't take advantage of its additional
features (various off-loading mechanisms) at the moment.
Approved by: cognet (mentor)
Obtained from: Semihalf
MFp4: e500
Revision Changes Path
1.1 +1648 -0 src/sys/dev/tsec/if_tsec.c (new)
1.1 +284 -0 src/sys/dev/tsec/if_tsec.h (new)
1.1 +355 -0 src/sys/dev/tsec/if_tsecreg.h (new)
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf options.powerpc src/sys/dev/uart
uart.h uart_bus_ocp.c uart_cpu_powerpc.c src/sys/kern
subr_witness.c src/sys/powerpc/booke clock.c copyinout.c
interrupt.c locore.S machdep.c pmap.c support.S swtch.S
trap.c trap_subr.S ...
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On Mar 3, 2008, at 9:17 AM, Rafal Jaworowski wrote:
> raj 2008-03-03 17:17:01 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/conf options.powerpc
> sys/dev/uart uart.h uart_cpu_powerpc.c
> sys/kern subr_witness.c
> sys/powerpc/include md_var.h mmuvar.h
> sys/powerpc/powerpc autoconf.c
> Added files:
> sys/dev/uart uart_bus_ocp.c
> sys/powerpc/booke clock.c copyinout.c interrupt.c locore.S
> machdep.c pmap.c support.S swtch.S trap.c
> trap_subr.S uio_machdep.c vm_machdep.c
> sys/powerpc/include ocpbus.h
> sys/powerpc/mpc85xx nexus.c ocpbus.c ocpbus.h opic.c
> pci_ocp.c
> Log:
> Initial support for Freescale PowerQUICC III MPC85xx system-on-chip
> family.
Yay!
--
Marcel Moolenaar
xcllnt@mac.com
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Date: Mon, 3 Mar 2008 19:36:04 +0000 (UTC)
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Subject: cvs commit: src/sys/netgraph ng_pppoe.c
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mav 2008-03-03 19:36:03 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_pppoe.c
Log:
Use more compact LIST instead of TAILQ for session hash.
Add all listening hooks into LIST to simplify searches.
Use ng_findhook() instead of own equal implementation.
Revision Changes Path
1.94 +32 -62 src/sys/netgraph/ng_pppoe.c
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On Tue, Mar 04, 2008 at 05:24:53AM +1100, Peter Jeremy wrote:
> On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote:
> >it. After all 1024 cpus should be enough forever.. ;)
>=20
> I notice the smiley but... Based on Sun's claims, they should have 1024
> thread boxes in 4-6 years. They have 64-thread boxes now (8 core x 8
> thread) [*] and have said they'll double threads/chip every 12-18 months.
>=20
> [*] I thought there was a dual-chip T5xxx which would have 128 threads)
> but it doesn't show up.
It isn't released yet, but you're referring to the "Victoria Falls"
version of the T2 processor which is due in the second fiscal half of
2008 (T5xxx refers to servers featuring the T2 CPU).
Initial reports were that systems built on Victoria Falls would support
256 threads, but that no longer appears to be the case.
Ceri
--=20
That must be wonderful! I don't understand it at all.
-- Moliere
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 20:40:20 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/conf files files.powerpc src/sys/powerpc/conf
MPC85XX NOTES src/share/mk bsd.cpu.mk
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raj 2008-03-03 20:40:20 UTC
FreeBSD src repository
Modified files:
sys/conf files files.powerpc
sys/powerpc/conf NOTES
share/mk bsd.cpu.mk
Added files:
sys/powerpc/conf MPC85XX
Log:
Connect MPC85XX to the PowerPC build.
The kernel config file is KERNCONF=MPC85XX, so the usual procedure applies:
1. make buildworld TARGET_ARCH=powerpc
2. make buildkernel TARGET_ARCH=powerpc TARGET_CPUTYPE=e500 KERNCONF=MPC85XX
This default config uses kernel-level FPU emulation. For the soft-float world
approach:
1. make buildworld TARGET_ARCH=powerpc TARGET_CPUTYPE=e500
2. disable FPU_EMU option in sys/powerpc/conf/MPC85XX
3. make buildkernel TARGET_ARCH=powerpc TARGET_CPUTYPE=e500 KERNCONF=MPC85XX
Approved by: cognet (mentor)
MFp4: e500
Revision Changes Path
1.65 +7 -0 src/share/mk/bsd.cpu.mk
1.1276 +4 -0 src/sys/conf/files
1.74 +20 -2 src/sys/conf/files.powerpc
1.1 +72 -0 src/sys/powerpc/conf/MPC85XX (new)
1.14 +2 -0 src/sys/powerpc/conf/NOTES
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From: Rafal Jaworowski <raj@FreeBSD.org>
Date: Mon, 3 Mar 2008 22:00:46 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/powerpc/powerpc gdb_machdep.c
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raj 2008-03-03 22:00:46 UTC
FreeBSD src repository
Modified files:
sys/powerpc/powerpc gdb_machdep.c
Log:
Import the omitted gdb_machdep.c for PowerPC kernel.
Approved by: cognet (mentor)
MFp4: e500
Revision Changes Path
1.2 +57 -2 src/sys/powerpc/powerpc/gdb_machdep.c
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
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Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Tue, 4 Mar 2008, Peter Jeremy wrote:
> On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote:
>> it. After all 1024 cpus should be enough forever.. ;)
>
> I notice the smiley but... Based on Sun's claims, they should have 1024
> thread boxes in 4-6 years. They have 64-thread boxes now (8 core x 8
> thread) [*] and have said they'll double threads/chip every 12-18 months.
>
> [*] I thought there was a dual-chip T5xxx which would have 128 threads)
> but it doesn't show up.
We have much bigger problems than the CPU_SETSIZE in cpuset. Currently
the kernel assumes it can fit all cpus in one register. So 64 is the max
on any platform. We need to modify the kernel to support this large
number of cpus. After that we'll still run poorly on most workloads with
this many cpus due to internal lock contention. There is a lot of work to
do to support platforms of this size.
>
> --
> Peter Jeremy
> Please excuse any delays as the result of my ISP's inability to implement
> an MTA that is either RFC2821-compliant or matches their claimed behaviour.
>
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 22:19:00 2008
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Cc: src-committers@FreeBSD.org, Peter Jeremy <peterjeremy@optushome.com.au>,
Jeff Roberson <jeff@FreeBSD.org>, cvs-all@FreeBSD.org,
David Xu <davidxu@FreeBSD.org>, cvs-src@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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Jeff Roberson wrote:
>
> On Tue, 4 Mar 2008, Peter Jeremy wrote:
>
>> On Mon, Mar 03, 2008 at 02:24:54AM -1000, Jeff Roberson wrote:
>>> it. After all 1024 cpus should be enough forever.. ;)
>>
>> I notice the smiley but... Based on Sun's claims, they should
>> have 1024 thread boxes in 4-6 years. They have 64-thread boxes
>> now (8 core x 8 thread) [*] and have said they'll double
>> threads/chip every 12-18 months.
>>
>> [*] I thought there was a dual-chip T5xxx which would have 128
>> threads) but it doesn't show up.
>
> We have much bigger problems than the CPU_SETSIZE in cpuset.
> Currently the kernel assumes it can fit all cpus in one register.
> So 64 is the max on any platform. We need to modify the kernel to
> support this large number of cpus. After that we'll still run
> poorly on most workloads with this many cpus due to internal lock
> contention. There is a lot of work to do to support platforms of
> this size.
the whole UMA concept breaks down.
I don't know how we are going to cope when we need to
start breaking workloads upint osmall subunits and farm them out.
I think it's about 5 years out at most..
Cisco just announced their latest chip has 60 cores and
intel is playing with one with 80.. These cores are a little
like the CELL cores.. they not really designed to be used in a
UMA (symetrical) OS.. I heard rumours that microsoft is
diverting resources to sketch out an OS that uses these.
ironically they are in the best situation because they
can dedicate cores to do some of those
"render-green-box-on-frog-if-full-moon" type calls
they have.
>
>
>>
>> -- Peter Jeremy Please excuse any delays as the result of my
>> ISP's inability to implement an MTA that is either
>> RFC2821-compliant or matches their claimed behaviour.
>>
From owner-cvs-src@FreeBSD.ORG Mon Mar 3 22:32:01 2008
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To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netinet ip_fw_nat.c
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piso 2008-03-03 22:32:01 UTC
FreeBSD src repository
Modified files:
sys/netinet ip_fw_nat.c
Log:
When unloading kld, don't forget to flush the nat pointers.
Revision Changes Path
1.2 +7 -0 src/sys/netinet/ip_fw_nat.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Tue, 4 Mar 2008 01:40:26 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/powerpc/mpc85xx opic.c
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marcel 2008-03-04 01:40:26 UTC
FreeBSD src repository
Modified files:
sys/powerpc/mpc85xx opic.c
Log:
Add the pic_ipi method. While here, eliminate the unused openpic_ocpbus_softc
struct.
Revision Changes Path
1.2 +4 -9 src/sys/powerpc/mpc85xx/opic.c
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Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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Jeff Roberson wrote:
> Does the tid allocator quickly recycle numbers?
Yes, I saw this behavior.
> This would be different
> from the pid allocator if it does. Basically every syscall that takes a
> numeric id would be subject to this problem.
>
> I expect application programers will more often specify binding from
> within the running thread using -1.
>
Don't know, but I feel it is more often the calling will be made
for threads within same process, so searching it globally is not
efficient in this case, and garbage id may hit an irrelevant thread in
another process.
> However, there is a seperate problem that is endemic with our current
> threading support. thread_find() requires the proc lock and returns a
> pointer to the found thread. However, the proc lock is not sufficient
> to ensure that the thread is not exiting and recycled after
> thread_find() returns. I believe virtually every user of this interface
> may be subject to races.
>
threads are linked into or removed from process with proc lock held,
why will a linked-in thread be recycled ?
> And while were on the subject. Why is it lwpid_t anyway? We don't have
> lwps, we have threads.
>
lwpid_t is used for thread id, I thought marcel introduced this type, by
the way, gdb also understands lwpid_t, I have not found any problem with
it, it is just an integer.
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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Jeff Roberson wrote:
>> One question is how I can determine the size of cpuset the kernel is
>> using ?
>
> I wrote it to tolerate user masks that were much larger than the kernel
> mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel
> it's MAXCPU. So in practice an application shouldn't have to redefine
> CPU_SETSIZE. If your set is too small the kernel will return ERANGE
> however. Unfortunately, if your set is larger than the kernel's
> CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different
> errnos for those cases.
>
From my point, userland has to write some urgly code to guess what
kernel code wants, it is rather frustrate.
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Tue, 4 Mar 2008 02:20:28 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/powerpc/conf NOTES
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marcel 2008-03-04 02:20:28 UTC
FreeBSD src repository
Modified files:
sys/powerpc/conf NOTES
Log:
Comment-out cpu E500. We can't yet build it with AIM at the same time.
Revision Changes Path
1.15 +1 -1 src/sys/powerpc/conf/NOTES
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf files src/sys/kern init_main.c
kern_cpuset.c kern_thread.c syscalls.master src/sys/sys _types.h
cpuset.h proc.h types.h src/lib/libc/sys Symbol.map
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On Tue, 4 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>
>> Does the tid allocator quickly recycle numbers?
>
> Yes, I saw this behavior.
I see, it uses unr. We should introduce some flags to this to prevent
quick recycling anyway.
>
>
>> This would be different from the pid allocator if it does. Basically
>> every syscall that takes a numeric id would be subject to this problem.
>>
>> I expect application programers will more often specify binding from within
>> the running thread using -1.
>>
>
> Don't know, but I feel it is more often the calling will be made
> for threads within same process, so searching it globally is not
> efficient in this case, and garbage id may hit an irrelevant thread in
> another process.
This is an application race. I think if we slow down the id recycling
we should not bother with it.
>
>> However, there is a seperate problem that is endemic with our current
>> threading support. thread_find() requires the proc lock and returns a
>> pointer to the found thread. However, the proc lock is not sufficient to
>> ensure that the thread is not exiting and recycled after thread_find()
>> returns. I believe virtually every user of this interface may be subject
>> to races.
>>
>
> threads are linked into or removed from process with proc lock held,
> why will a linked-in thread be recycled ?
You are right. I thought it was only the PROC_SLOCK. But as long as the
PROC_LOCK is held that's ok.
>
>> And while were on the subject. Why is it lwpid_t anyway? We don't have
>> lwps, we have threads.
>>
> lwpid_t is used for thread id, I thought marcel introduced this type, by the
> way, gdb also understands lwpid_t, I have not found any problem with
> it, it is just an integer.
>
>
>
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Tue, 4 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>
>>> One question is how I can determine the size of cpuset the kernel is
>>> using ?
>>
>> I wrote it to tolerate user masks that were much larger than the kernel
>> mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel it's
>> MAXCPU. So in practice an application shouldn't have to redefine
>> CPU_SETSIZE. If your set is too small the kernel will return ERANGE
>> however. Unfortunately, if your set is larger than the kernel's
>> CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different errnos
>> for those cases.
>>
>
> From my point, userland has to write some urgly code to guess what
> kernel code wants, it is rather frustrate.
You can use sysctl kern.smp.maxcpus to get the precise size.
>
>
>
>
>
>
>
>
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From: David Xu <davidxu@FreeBSD.org>
Date: Tue, 4 Mar 2008 03:03:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/lib/libthr/thread thr_attr.c thr_create.c
thr_init.c thr_private.h
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davidxu 2008-03-04 03:03:25 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_attr.c thr_create.c thr_init.c
thr_private.h
Log:
implement pthread_attr_getaffinity_np and pthread_attr_setaffinity_np.
Revision Changes Path
1.9 +58 -1 src/lib/libthr/thread/thr_attr.c
1.37 +5 -1 src/lib/libthr/thread/thr_create.c
1.48 +3 -1 src/lib/libthr/thread/thr_init.c
1.82 +2 -0 src/lib/libthr/thread/thr_private.h
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Tue, 4 Mar 2008 03:05:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/powerpc/conf NOTES
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marcel 2008-03-04 03:05:53 UTC
FreeBSD src repository
Modified files:
sys/powerpc/conf NOTES
Log:
Also comment-out options MPC85XX. We don't define CCSRBAR_* without E500.
Revision Changes Path
1.16 +1 -1 src/sys/powerpc/conf/NOTES
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Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
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Jeff Roberson wrote:
>
> On Tue, 4 Mar 2008, David Xu wrote:
>
>> Jeff Roberson wrote:
>>
>>>> One question is how I can determine the size of cpuset the kernel is
>>>> using ?
>>>
>>> I wrote it to tolerate user masks that were much larger than the
>>> kernel mask. I set the default CPU_SETSIZE in userspace to 128 and
>>> in kernel it's MAXCPU. So in practice an application shouldn't have
>>> to redefine CPU_SETSIZE. If your set is too small the kernel will
>>> return ERANGE however. Unfortunately, if your set is larger than the
>>> kernel's CPU_MAXSIZE it'll also return ERANGE. Maybe I should use
>>> different errnos for those cases.
>>>
>>
>> From my point, userland has to write some urgly code to guess what
>> kernel code wants, it is rather frustrate.
>
> You can use sysctl kern.smp.maxcpus to get the precise size.
>
if kern.smp.maxcpus is a stable ABI, I may use it, can it be guaranteed?
I saw following code in kern_cpuset.c, obviously, maxcpus is not
respected.
if (uap->cpusetsize < CPU_SETSIZE || uap->cpusetsize > CPU_MAXSIZE)
return (ERANGE);
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Subject: cvs commit: src/lib/libthr/thread thr_private.h
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davidxu 2008-03-04 03:45:11 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_private.h
Log:
Include cpuset.h, unbreak compiling.
Revision Changes Path
1.83 +2 -0 src/lib/libthr/thread/thr_private.h
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Date: Tue, 4 Mar 2008 04:28:59 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr/thread thr_create.c thr_private.h
thr_sig.c
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davidxu 2008-03-04 04:28:59 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_create.c thr_private.h thr_sig.c
Log:
If a new thread is created, it inherits current thread's signal masks,
however if current thread is executing cancellation handler, signal
SIGCANCEL may have already been blocked, this is unexpected, unblock the
signal in new thread if this happens.
MFC after: 1 week
Revision Changes Path
1.38 +16 -1 src/lib/libthr/thread/thr_create.c
1.84 +6 -0 src/lib/libthr/thread/thr_private.h
1.26 +2 -0 src/lib/libthr/thread/thr_sig.c
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From: Warner Losh <imp@FreeBSD.org>
Date: Tue, 4 Mar 2008 05:35:27 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/make Makefile.dist
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imp 2008-03-04 05:35:27 UTC
FreeBSD src repository
Modified files:
usr.bin/make Makefile.dist
Log:
Linux requires -D__dead2= and -D__unused= to get rid of the
sys/cdef.h-isms in the make source. The variant of linux I tried it
on doesn't have arc4random, so -Darc4random=random too.
Revision Changes Path
1.6 +1 -1 src/usr.bin/make/Makefile.dist
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Date: Tue, 4 Mar 2008 06:08:19 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man4 ucycom.4
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brueffer 2008-03-04 06:08:19 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
share/man/man4 ucycom.4
Log:
MFC: rev. 1.5
Move the HARDWARE section below the DESCRIPTION section, like it is
everywhere else.
Revision Changes Path
1.4.2.1 +10 -10 src/share/man/man4/ucycom.4
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Subject: cvs commit: src/usr.bin/make main.c
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imp 2008-03-04 06:08:59 UTC
FreeBSD src repository
Modified files:
usr.bin/make main.c
Log:
Note 7.0 was the first version that FreeBSD/pc98 had a MACHINE of pc98
instead of i386.
Revision Changes Path
1.165 +7 -8 src/usr.bin/make/main.c
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Subject: cvs commit: src/share/man/man4 ucycom.4
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brueffer 2008-03-04 06:09:13 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
share/man/man4 ucycom.4
Log:
MFC: rev. 1.5
Move the HARDWARE section below the DESCRIPTION section, like it is
everywhere else.
Revision Changes Path
1.3.2.2 +10 -10 src/share/man/man4/ucycom.4
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Cc: cvs-src@FreeBSD.org, Jeff Roberson <jeff@FreeBSD.org>,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/kern init_sysent.c syscalls.c
systrace_args.c src/sys/sys syscall.h syscall.mk sysproto.h
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On Tue, 4 Mar 2008, David Xu wrote:
> Jeff Roberson wrote:
>>
>> On Tue, 4 Mar 2008, David Xu wrote:
>>
>>> Jeff Roberson wrote:
>>>
>>>>> One question is how I can determine the size of cpuset the kernel is
>>>>> using ?
>>>>
>>>> I wrote it to tolerate user masks that were much larger than the kernel
>>>> mask. I set the default CPU_SETSIZE in userspace to 128 and in kernel
>>>> it's MAXCPU. So in practice an application shouldn't have to redefine
>>>> CPU_SETSIZE. If your set is too small the kernel will return ERANGE
>>>> however. Unfortunately, if your set is larger than the kernel's
>>>> CPU_MAXSIZE it'll also return ERANGE. Maybe I should use different
>>>> errnos for those cases.
>>>>
>>>
>>> From my point, userland has to write some urgly code to guess what
>>> kernel code wants, it is rather frustrate.
>>
>> You can use sysctl kern.smp.maxcpus to get the precise size.
>>
>
> if kern.smp.maxcpus is a stable ABI, I may use it, can it be guaranteed?
> I saw following code in kern_cpuset.c, obviously, maxcpus is not
> respected.
>
> if (uap->cpusetsize < CPU_SETSIZE || uap->cpusetsize > CPU_MAXSIZE)
> return (ERANGE);
>
>
CPU_SETSIZE in the kernel is defined to MAXCPU. We can consider
kern.smp.maxcpus a stable abi. I can make a note next to it and put it in
the cpuset man page.
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 07:39:32 2008
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Subject: cvs commit: src/sys/kern kern_shutdown.c
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FreeBSD src repository
Modified files:
sys/kern kern_shutdown.c
Log:
Make it possible to continue working after calling doadump()
manually from debugger. (This got broken in rev. 1.122.)
Revision Changes Path
1.190 +1 -0 src/sys/kern/kern_shutdown.c
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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Tue, 4 Mar 2008 10:33:42 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.bin/make make.1
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yar 2008-03-04 10:33:42 UTC
FreeBSD src repository
Modified files:
usr.bin/make make.1
Log:
Split descriptions of .Ev MAKEFILE and .Va .MAKEFLAGS for clarity.
Revision Changes Path
1.105 +2 -2 src/usr.bin/make/make.1
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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 4 Mar 2008 11:05:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/nfsserver nfs_serv.c
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kib 2008-03-04 11:05:03 UTC
FreeBSD src repository
Modified files:
sys/nfsserver nfs_serv.c
Log:
Fix the Giant leak in the nfsrv_remove().
Reported by: pluknet <pluknet gmail com>
MFC after: 1 week
Revision Changes Path
1.178 +6 -2 src/sys/nfsserver/nfs_serv.c
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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 4 Mar 2008 11:10:55 +0000 (UTC)
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Subject: cvs commit: src/sys/netgraph ng_nat.h
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mav 2008-03-04 11:10:55 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_nat.h
Log:
Fix incorrect field name.
Revision Changes Path
1.4 +1 -1 src/sys/netgraph/ng_nat.h
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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Tue, 4 Mar 2008 11:25:23 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.bin/make make.1
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yar 2008-03-04 11:25:23 UTC
FreeBSD src repository
Modified files:
usr.bin/make make.1
Log:
Revise the description of how .Ev MAKEFILE and .Va .MAKEFILE relate.
The most important point is that -f option(s) are never copied from
.Ev MAKEFILE to .Va .MAKEFILE by make(1), which is consistent with
handling the command line. (-f silently sit in .Ev MAKEFILE and go
to make's children unless overwritten via .Va .MAKEFILE)
Bump .Dd.
Revision Changes Path
1.106 +27 -21 src/usr.bin/make/make.1
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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Tue, 4 Mar 2008 11:28:54 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/make make.1
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yar 2008-03-04 11:28:54 UTC
FreeBSD src repository
Modified files:
usr.bin/make make.1
Log:
Move a stray paragraph on .Ev MAKEFLAGS to where it belongs.
Revision Changes Path
1.107 +14 -14 src/usr.bin/make/make.1
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 12:07:35 2008
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Cc:
Subject: cvs commit: src/sbin/ipfw ipfw.8 ipfw2.c src/sys/netinet ip_fw2.c
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piso 2008-03-04 12:07:34 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sbin/ipfw ipfw.8 ipfw2.c
sys/netinet ip_fw2.c
Log:
MFC:
Add table/tablearg support to ipfw's nat.
Fix display of nat range.
Fix display of multiple nat rules.
Whitespace elimination.
sbin/ipfw/ipfw2.c: rev. 1.115, 1.116 and 1.117
sbin/ipfw/ipfw.8: rev. 1.210
sys/netinet/ip_fw2.c: rev. 1.181
Revision Changes Path
1.203.2.2 +1 -1 src/sbin/ipfw/ipfw.8
1.108.2.3 +13 -19 src/sbin/ipfw/ipfw2.c
1.175.2.2 +4 -2 src/sys/netinet/ip_fw2.c
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 12:10:03 2008
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Tue, 4 Mar 2008 12:10:03 +0000 (UTC)
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Subject: cvs commit: src/sys/ufs/ffs ffs_vfsops.c
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rwatson 2008-03-04 12:10:03 UTC
FreeBSD src repository
Modified files:
sys/ufs/ffs ffs_vfsops.c
Log:
Move setting of MNTK_MPSAFE flag before UFS1 extended attribute
auto-start so that the flag is set before we start performing I/O
in the auto-start routine.
MFC after: 2 weeks
Suggested by: kib
Revision Changes Path
1.337 +3 -3 src/sys/ufs/ffs/ffs_vfsops.c
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Date: Tue, 4 Mar 2008 12:45:49 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sbin/natd natd.8
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mav 2008-03-04 12:45:49 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sbin/natd natd.8
Log:
MFC rev. 1.63-1.68
Document -instance and -globalport options.
Note that the punch_fw option does not work in securelevel 3.
Revision Changes Path
1.62.10.1 +189 -1 src/sbin/natd/natd.8
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Subject: cvs commit: src/sys/ufs/ufs extattr.h ufs_extattr.c
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rwatson 2008-03-04 12:50:11 UTC
FreeBSD src repository
Modified files:
sys/ufs/ufs extattr.h ufs_extattr.c
Log:
Continue on-going campaign to replace lockmgr locks with sx locks where
the specific semantics of ockmgr aren't required: update UFS1 extended
attributes to protect its data structures using an sx lock.
While here, update comments on lock granularity.
MFC after: 2 weeks
Revision Changes Path
1.22 +3 -2 src/sys/ufs/ufs/extattr.h
1.91 +11 -10 src/sys/ufs/ufs/ufs_extattr.c
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From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 4 Mar 2008 12:52:34 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sbin/natd natd.8
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mav 2008-03-04 12:52:34 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sbin/natd natd.8
Log:
MFC rev. 1.63-1.68
Document -instance and -globalport options.
Note that the punch_fw option does not work in securelevel 3.
Revision Changes Path
1.62.2.1 +189 -1 src/sbin/natd/natd.8
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From: Warner Losh <imp@FreeBSD.org>
Date: Tue, 4 Mar 2008 15:56:18 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/make arch.c
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imp 2008-03-04 15:56:18 UTC
FreeBSD src repository
Modified files:
usr.bin/make arch.c
Log:
<limits.h> is necessary for using INT_MIN, so included it here
explicitly rather than relying on name space pollution to pull it in
for us.
NB: The usage of INT_MIN is somewhat bogus and suspect to my eye, but this
commit doesn't address that issue.
Revision Changes Path
1.67 +1 -0 src/usr.bin/make/arch.c
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Date: Tue, 4 Mar 2008 18:10:26 +0200
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Warner Losh <imp@freebsd.org>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/usr.bin/make arch.c
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On 2008-03-04 15:56, Warner Losh <imp@freebsd.org> wrote:
> imp 2008-03-04 15:56:18 UTC
>
> FreeBSD src repository
>
> Modified files:
> usr.bin/make arch.c
> Log:
> <limits.h> is necessary for using INT_MIN, so included it here
> explicitly rather than relying on name space pollution to pull it in
> for us.
Thanks :-)
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 16:15:49 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/usr.bin/make arch.c
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On Tue, 4 Mar 2008, Warner Losh wrote:
WL>imp 2008-03-04 15:56:18 UTC
WL>
WL> FreeBSD src repository
WL>
WL> Modified files:
WL> usr.bin/make arch.c
WL> Log:
WL> <limits.h> is necessary for using INT_MIN, so included it here
WL> explicitly rather than relying on name space pollution to pull it in
WL> for us.
WL>
WL> NB: The usage of INT_MIN is somewhat bogus and suspect to my eye, but this
WL> commit doesn't address that issue.
Yes. This looks like a bug. ArchStatMember returns INT64_MIN if it cannot
stat the archive member. So the caller must check for INT64_MIN.
harti
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 16:28:34 2008
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/usr.bin/make arch.c
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In message: <20080304161026.GD95950@kobe.laptop>
Giorgos Keramidas <keramida@ceid.upatras.gr> writes:
: On 2008-03-04 15:56, Warner Losh <imp@freebsd.org> wrote:
: > imp 2008-03-04 15:56:18 UTC
: >
: > FreeBSD src repository
: >
: > Modified files:
: > usr.bin/make arch.c
: > Log:
: > <limits.h> is necessary for using INT_MIN, so included it here
: > explicitly rather than relying on name space pollution to pull it in
: > for us.
:
: Thanks :-)
You are welcome.
Warner
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 16:54:32 2008
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From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 4 Mar 2008 16:54:31 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/conf kmod.mk
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jhb 2008-03-04 16:54:31 UTC
FreeBSD src repository
Modified files:
sys/conf kmod.mk
Log:
Force an explicit dependency on opt_global.h for all module object files
when building modules as part of a kernel build just as we do for kernel
object files.
MFC after: 1 week
Reported by: kmacy, kris
Reviewed by: ru
Revision Changes Path
1.222 +7 -0 src/sys/conf/kmod.mk
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 17:41:59 2008
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Date: Tue, 4 Mar 2008 17:41:58 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/bluetooth/rfcomm_sppd rfcomm_sppd.1
rfcomm_sppd.c
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emax 2008-03-04 17:41:58 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
usr.bin/bluetooth/rfcomm_sppd rfcomm_sppd.1 rfcomm_sppd.c
Log:
MFC: add "server mode" to rfcomm_sppd(1)
MFC: Check return value of listen()
PR: bin/102523
Submitted by: Dave Eckhardt, bms, kevlo
Tested by: Dave Eckhardt, Eric Anderson, bms
Revision Changes Path
1.7.2.3 +53 -8 src/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.1
1.6.2.3 +100 -31 src/usr.bin/bluetooth/rfcomm_sppd/rfcomm_sppd.c
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 18:22:18 2008
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Date: Tue, 4 Mar 2008 18:22:18 +0000 (UTC)
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Subject: cvs commit: src/sys/netgraph ng_base.c
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mav 2008-03-04 18:22:18 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_base.c
Log:
Implement 128 items node name hash for faster name search.
Increase node ID hash size from 32 to 128 items.
Revision Changes Path
1.148 +70 -47 src/sys/netgraph/ng_base.c
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Date: Tue, 4 Mar 2008 18:50:16 +0000 (UTC)
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Subject: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h
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alc 2008-03-04 18:50:15 UTC
FreeBSD src repository
Modified files:
sys/amd64/amd64 pmap.c
sys/amd64/include pmap.h
Log:
Add support for automatic promotion of 4KB page mappings to 2MB page
mappings. Automatic promotion can be enabled by setting the tunable
"vm.pmap.pg_ps_enabled" to a non-zero value. By default, automatic
promotion is disabled. (Expect this to change.)
Reviewed by: ups
Tested by: kris, Peter Holm
Revision Changes Path
1.606 +1072 -104 src/sys/amd64/amd64/pmap.c
1.140 +11 -3 src/sys/amd64/include/pmap.h
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Date: Tue, 4 Mar 2008 19:00:11 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/mk sys.mk
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obrien 2008-03-04 19:00:11 UTC
FreeBSD src repository
Modified files:
share/mk sys.mk
Log:
Back out revision 1.97, which backed out part of revision 1.96.
Change the default CFLAGS to match the simple defaults that the
tinderboxes use. By using -fno-strict-aliasing by default we are
choosing to ignore problems in code which had the potential to
shoot ourselves in the foot.
Revision Changes Path
1.98 +2 -2 src/share/mk/sys.mk
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From: Wilko Bulte <wilko@FreeBSD.org>
Date: Tue, 4 Mar 2008 19:02:33 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: CVSROOT access
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wilko 2008-03-04 19:02:33 UTC
FreeBSD src repository
Modified files:
. access
Log:
njl has asked core to notify the world that rpaulo is now free
from mentorship
Submitted by: njl
Approved by: core (implicit)
Revision Changes Path
1.863 +0 -0 CVSROOT/access
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Date: Tue, 4 Mar 2008 11:10:15 -0800
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: "David E. O'Brien" <obrien@freebsd.org>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/share/mk sys.mk
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On Tue, Mar 04, 2008 at 07:00:11PM +0000, David E. O'Brien wrote:
> obrien 2008-03-04 19:00:11 UTC
>
> FreeBSD src repository
>
> Modified files:
> share/mk sys.mk
> Log:
> Back out revision 1.97, which backed out part of revision 1.96.
> Change the default CFLAGS to match the simple defaults that the
> tinderboxes use. By using -fno-strict-aliasing by default we are
> choosing to ignore problems in code which had the potential to
> shoot ourselves in the foot.
>
Does this change propagate into the ports collection make
infrastructure? There are several ports that require
-fno-strict-aliasing.
--
Steve
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From: Rui Paulo <rpaulo@FreeBSD.org>
Date: Tue, 4 Mar 2008 19:16:22 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netinet in.h in_pcb.c
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rpaulo 2008-03-04 19:16:22 UTC
FreeBSD src repository
Modified files:
sys/netinet in.h in_pcb.c
Log:
Change the default port range for outgoing connections by introducing
IPPORT_EPHEMERALFIRST and IPPORT_EPHEMERALLAST with values
10000 and 65535 respectively.
The rationale behind is that it makes the attacker's life more
difficult if he/she wants to guess the ephemeral port range and
also lowers the probability of a port colision (described in
draft-ietf-tsvwg-port-randomization-01.txt).
While there, remove code duplication in in_pcbbind_setup().
Submitted by: Fernando Gont <fernando at gont.com.ar>
Approved by: njl (mentor)
Reviewed by: silby, bms
Discussed on: freebsd-net
Revision Changes Path
1.101 +8 -4 src/sys/netinet/in.h
1.199 +21 -40 src/sys/netinet/in_pcb.c
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Subject: Re: cvs commit: src/sys/netinet in.h in_pcb.c
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Rui Paulo wrote:
> Submitted by: Fernando Gont <fernando at gont.com.ar>
> Approved by: njl (mentor)
> Reviewed by: silby, bms
>
Disclaimer: I didn't review the code in this change, but just commented
upon the intent behind it.
BMS
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Date: Tue, 4 Mar 2008 20:26:03 +0000 (UTC)
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Subject: cvs commit: src/share/mk sys.mk
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obrien 2008-03-04 20:26:03 UTC
FreeBSD src repository
Modified files:
share/mk sys.mk
Log:
Temporarily back out revision 1.98 to give Portmgr some time to
address PR ports/121363 (current day re-opening of PR ports/73797)
to make ports CFLAGS more independent of src/'s CFLAGS WRT aliasing.
Discussed with: brooks
Revision Changes Path
1.99 +2 -2 src/share/mk/sys.mk
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Date: Tue, 4 Mar 2008 17:32:17 +0000
From: Rui Paulo <rpaulo@fnop.net>
To: "Bruce M. Simpson" <bms@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Rui Paulo <rpaulo@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/netinet in.h in_pcb.c
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On Tue, Mar 04, 2008 at 07:22:55PM +0000, Bruce M. Simpson wrote:
> Rui Paulo wrote:
>> Submitted by: Fernando Gont <fernando at gont.com.ar>
>> Approved by: njl (mentor)
>> Reviewed by: silby, bms
>>
>
> Disclaimer: I didn't review the code in this change, but just commented
> upon the intent behind it.
Oh, I'm terribly sorry.
My mistake.
--
Rui Paulo
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 21:21:34 2008
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To: Alexander Motin <mav@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/netgraph ng_base.c
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Alexander Motin wrote:
> mav 2008-03-04 18:22:18 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/netgraph ng_base.c
> Log:
> Implement 128 items node name hash for faster name search.
> Increase node ID hash size from 32 to 128 items.
>
> Revision Changes Path
> 1.148 +70 -47 src/sys/netgraph/ng_base.c
I knew this day would come.. that's why I had a name lookup method...
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From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Tue, 4 Mar 2008 22:32:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/make Makefile job.c
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obrien 2008-03-04 22:32:58 UTC
FreeBSD src repository
Modified files:
usr.bin/make Makefile job.c
Log:
No need to tell make to DTRT with "make love", just do it.
Also remove the 2002/08/31 bootstrapping aid for upgrades from
year old (mid-2001) systems.
Revision Changes Path
1.66 +0 -5 src/usr.bin/make/Makefile
1.127 +0 -6 src/usr.bin/make/job.c
From owner-cvs-src@FreeBSD.ORG Tue Mar 4 22:51:38 2008
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From: "David E. O'Brien" <obrien@FreeBSD.org>
Date: Tue, 4 Mar 2008 22:51:37 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/make job.c
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obrien 2008-03-04 22:51:37 UTC
FreeBSD src repository
Modified files:
usr.bin/make job.c
Log:
It seems some don't care for the anchient joke. Add WITHOUT_OLD_JOKE
to your CFLAGS if you fall into this camp.
Revision Changes Path
1.128 +2 -0 src/usr.bin/make/job.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 01:15:10 2008
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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Wed, 5 Mar 2008 01:15:10 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/mii rgephy.c
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yongari 2008-03-05 01:15:10 UTC
FreeBSD src repository
Modified files:
sys/dev/mii rgephy.c
Log:
Add detection of isolation state.
PR: kern/76710
Revision Changes Path
1.19 +5 -0 src/sys/dev/mii/rgephy.c
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From: Hidetoshi Shimokawa <simokawa@FreeBSD.org>
Date: Wed, 5 Mar 2008 01:30:49 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/fwcontrol fwcontrol.8 fwcontrol.c
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simokawa 2008-03-05 01:30:49 UTC
FreeBSD src repository
Modified files:
usr.sbin/fwcontrol fwcontrol.8 fwcontrol.c
Log:
- add '-f' option to force root node.
- fix byte order in read_write_quad()
- show hostnames in the list
- fix typo in manpage
MFC after: 1 week
Revision Changes Path
1.22 +6 -1 src/usr.sbin/fwcontrol/fwcontrol.8
1.24 +17 -7 src/usr.sbin/fwcontrol/fwcontrol.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 01:49:21 2008
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Wed, 5 Mar 2008 01:49:20 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/cpuset cpuset.c src/sys/sys cpuset.h
src/sys/kern kern_cpuset.c
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jeff 2008-03-05 01:49:20 UTC
FreeBSD src repository
Modified files:
usr.bin/cpuset cpuset.c
sys/sys cpuset.h
sys/kern kern_cpuset.c
Log:
- Verify that when a user supplies a mask that is bigger than the kernel
mask none of the upper bits are set.
- Be more careful about enforcing the boundaries of masks and child sets.
- Introduce a few more CPU_* macros for implementing these tests.
- Change the cpusetsize argument to be bytes rather than bits to match
other apis.
Sponsored by: Nokia
Revision Changes Path
1.2 +78 -26 src/sys/kern/kern_cpuset.c
1.2 +22 -0 src/sys/sys/cpuset.h
1.2 +7 -8 src/usr.bin/cpuset/cpuset.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 02:10:44 2008
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Date: Wed, 5 Mar 2008 02:10:44 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/cpuset Makefile cpuset.1 cpuset.c
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jeff 2008-03-05 02:10:44 UTC
FreeBSD src repository
Modified files:
usr.bin/cpuset Makefile cpuset.c
Added files:
usr.bin/cpuset cpuset.1
Log:
- Remove the -i argument when running a command to simplify things a
little bit and to prevent users from specifying a private mask that may
later restrict other group changes.
- Add a man page which brueffer generously contributed to.
Sponsored by: Nokia
Revision Changes Path
1.2 +0 -1 src/usr.bin/cpuset/Makefile
1.1 +171 -0 src/usr.bin/cpuset/cpuset.1 (new)
1.3 +6 -13 src/usr.bin/cpuset/cpuset.c
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From: Pyun YongHyeon <yongari@FreeBSD.org>
Date: Wed, 5 Mar 2008 05:36:09 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/lge if_lge.c
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yongari 2008-03-05 05:36:09 UTC
FreeBSD src repository
Modified files:
sys/dev/lge if_lge.c
Log:
Plug memory leak in jumbo buffer allocation failure path.
Patch in the PR was modified to check active jumbo buffers in use
and other possible jumbo buffer leak.
Jumbo buffer usage in lge(4) still wouldn't be reliable due to lack
of driver lock in local jumbo buffer allocator. Either introduce
a new lock to protect jumbo buffer or switch to UMA backed page
allocator for jumbo frame is required.
PR: kern/78072
Revision Changes Path
1.53 +12 -4 src/sys/dev/lge/if_lge.c
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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 5 Mar 2008 06:24:42 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sbin/fsck_ffs main.c
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rodrigc 2008-03-05 06:24:42 UTC
FreeBSD src repository
Modified files:
sbin/fsck_ffs main.c
Log:
Remove hacks to filter out MNT_ROOTFS, since we now
do that internally inside nmount() in revision 1.267 of vfs_mount.c.
Revision Changes Path
1.48 +0 -10 src/sbin/fsck_ffs/main.c
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From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 5 Mar 2008 06:55:49 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr/thread thr_attr.c
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davidxu 2008-03-05 06:55:49 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_attr.c
Log:
Check actual size of cpuset kernel is using and define underscore version
of API.
Revision Changes Path
1.10 +42 -7 src/lib/libthr/thread/thr_attr.c
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From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 5 Mar 2008 06:56:35 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr pthread.map
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davidxu 2008-03-05 06:56:35 UTC
FreeBSD src repository
Modified files:
lib/libthr pthread.map
Log:
Add more cpu affinity function's symbols.
Revision Changes Path
1.28 +6 -0 src/lib/libthr/pthread.map
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Date: Wed, 5 Mar 2008 07:01:21 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr/thread thr_create.c thr_init.c
thr_private.h
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davidxu 2008-03-05 07:01:21 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_create.c thr_init.c thr_private.h
Log:
Use cpuset defined in pthread_attr for newly created thread, for now,
we set scheduling parameters and cpu binding fully in userland, and
because default scheduling policy is SCHED_RR (time-sharing), we set
default sched_inherit to PTHREAD_SCHED_INHERIT, this saves a system
call.
Revision Changes Path
1.39 +51 -20 src/lib/libthr/thread/thr_create.c
1.49 +1 -1 src/lib/libthr/thread/thr_init.c
1.85 +5 -0 src/lib/libthr/thread/thr_private.h
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From: David Xu <davidxu@FreeBSD.org>
Date: Wed, 5 Mar 2008 07:04:56 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr/thread thr_sig.c
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davidxu 2008-03-05 07:04:55 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_sig.c
Log:
Increase and decrease in_sigcancel_handler accordingly to avoid possible
error caused by nested SIGCANCEL stack, it is a bit complex.
Revision Changes Path
1.27 +2 -2 src/lib/libthr/thread/thr_sig.c
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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 5 Mar 2008 07:55:07 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/mountd mountd.c
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rodrigc 2008-03-05 07:55:07 UTC
FreeBSD src repository
Modified files:
usr.sbin/mountd mountd.c
Log:
Remove hacks which filter out MNT_ROOTFS.
They are no longer needed now that we filter out MNT_ROOTFS
inside the nmount() call in revision 1.267 of vfs_mount.c.
Reviewed by: rink
Revision Changes Path
1.97 +1 -15 src/usr.sbin/mountd/mountd.c
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From: Kevin Lo <kevlo@FreeBSD.org>
Date: Wed, 5 Mar 2008 07:55:45 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/arm/conf AVILA
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kevlo 2008-03-05 07:55:45 UTC
FreeBSD src repository
Modified files:
sys/arm/conf AVILA
Log:
Add rl(4) support
Revision Changes Path
1.8 +2 -0 src/sys/arm/conf/AVILA
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Wed, 5 Mar 2008 08:08:32 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_cpuset.c
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jeff 2008-03-05 08:08:32 UTC
FreeBSD src repository
Modified files:
sys/kern kern_cpuset.c
Log:
- Don't overwrite the recently allocated 'nset' in cpuset_setthread() by
passing it to cpuset_which(). Pass in 'set' instead. This argument
is not used but for convenience cpuset_which() nulls all incoming
parameters.
Submitted by: davidxu
Revision Changes Path
1.3 +1 -1 src/sys/kern/kern_cpuset.c
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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 5 Mar 2008 08:25:49 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sbin/fsck_ffs main.c
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rodrigc 2008-03-05 08:25:49 UTC
FreeBSD src repository
Modified files:
sbin/fsck_ffs main.c
Log:
For a mounted file system which is read-only, when
doing the MNT_RELOAD, pass in "ro" and "update"
string mount options to nmount() instead of MNT_RDONLY and MNT_UPDATE flags.
Due to the complexity of the mount parsing code especially
with respect to the root file system, passing in MNT_RDONLY and MNT_UPDATE
flags would do weird things and would cause fsck to convert the root
file system from a read-only mount to read-write.
To test:
- boot into single user mode
- show mounted file systems with: mount
- root file system should be mounted read-only
- fsck /
- show mounted file systems with: mount
- root file system should still be mounted read-only
PR: 120319
MFC after: 1 month
Reported by: yar
Revision Changes Path
1.49 +3 -1 src/sbin/fsck_ffs/main.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 08:53:02 2008
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From: Philip Paeps <philip@FreeBSD.org>
Date: Wed, 5 Mar 2008 08:53:02 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: CVSROOT access
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philip 2008-03-05 08:53:02 UTC
FreeBSD src repository
Modified files:
. access
Log:
Note on behalve of njl, who has turned in his commit bit for safe-keeping
recently, that Rui Paolo (rpaulo) may now spread his wings free of mentorship.
May his collection of pointy hats flourish! :-)
Submitted by: njl (mentor - been a while since I typed that ;-))
Approved by: core (implicit)
Revision Changes Path
1.864 +0 -0 CVSROOT/access
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 09:41:24 2008
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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 5 Mar 2008 09:41:22 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/nfsclient nfs_vfsops.c
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rodrigc 2008-03-05 09:41:22 UTC
FreeBSD src repository
Modified files:
sys/nfsclient nfs_vfsops.c
Log:
In nfs_mount(), default initialize struct nfs_args
the same way that it is default initialized in revision 1.77 of mount_nfs.c.
Right now, this is a no-op, because currently we initialize
struct nfs_args in mount_nfs in userspace, and pass it
down into the kernel via nmount(), so we overwrite whatever we initialize
here with the value passed in from userspace.
However, this lays the groundwork for moving away from passing
struct nfs_args from userspace to kernel via nmount(), so that we
can instead pass string mount options via nmount() which can be parsed in
the kernel. This will make it easier to add new NFS mount options.
Revision Changes Path
1.201 +25 -1 src/sys/nfsclient/nfs_vfsops.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 10:09:30 2008
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From: Craig Rodrigues <rodrigc@FreeBSD.org>
Date: Wed, 5 Mar 2008 10:09:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/nfsclient nfs_vfsops.c
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rodrigc 2008-03-05 10:09:29 UTC
FreeBSD src repository
Modified files:
sys/nfsclient nfs_vfsops.c
Log:
Expand the nfs_opts array to include all possible string
mount options that mount_nfs could pass down, if it passed
down string mount options. Right now, mount_nfs jut passes
down a single mount option named "nfs_args" with a fully
initialized 'struct nfs_args'.
In future commits, we will add code to the kernel for parsing stringified
NFS mount options, so that we can convert mount_nfs to pass string options
from userspace to kernel, instead of an initialized struct nfs_args.
Revision Changes Path
1.202 +4 -1 src/sys/nfsclient/nfs_vfsops.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 11:11:54 2008
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From: Bruce Evans <bde@FreeBSD.org>
Date: Wed, 5 Mar 2008 11:11:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/i386/include float.h
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bde 2008-03-05 11:11:53 UTC
FreeBSD src repository
Modified files:
sys/i386/include float.h
Log:
Change float_t and double_t to long double on i386. All floating point
expressions on i386 are evaluated in the range of the long double type,
so this is wrong in a different but hopefully less worse way than
before. Since expressions are evaluated in long double registers,
there is no runtime cost to using long double instead of double to
declare intermediate values (except in cases where this avoids compiler
bugs), and by careful use of float_t or double_t it is possible to
avoid some of the compiler bugs in this area, provided these types are
declared as long double.
I was going to change float.h to be less broken and more usable in
combination with the change here (in particular, it is more necessary
to know the effective number of bits in a double_t when double_t !=
double, since DBL_MANT_DIG no longer logically gives this, and
LDBL_MANT_DIG doesn't give it either with FreeBSD-i386's default
rounding precision. However, this was too hard for now. In particular,
LDBL_MANT_DIG is used a lot in libm, so it cannot be changed. One
thing that is completely broken now is LDBL_MAX. This may have sort
of worked when it was changed from DBL_MAX in 2002 (adding 0 to it at
runtime gave +Inf, but you could at least compare with it), but starting
with gcc-3.3.1 in 2003, it is always +Inf due to evaluating it at
compile time in the default rounding precision.
Revision Changes Path
1.16 +5 -4 src/sys/i386/include/float.h
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 11:17:21 2008
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From: Bruce Evans <bde@FreeBSD.org>
Date: Wed, 5 Mar 2008 11:17:21 +0000 (UTC)
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Subject: cvs commit: src/sys/i386/include float.h
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bde 2008-03-05 11:17:21 UTC
FreeBSD src repository
Modified files:
sys/i386/include float.h
Log:
Oops, back out previous commit since it was to the wrong file.
Revision Changes Path
1.17 +4 -5 src/sys/i386/include/float.h
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From: Bruce Evans <bde@FreeBSD.org>
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Cc:
Subject: cvs commit: src/sys/i386/include _types.h
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bde 2008-03-05 11:21:14 UTC
FreeBSD src repository
Modified files:
sys/i386/include _types.h
Log:
Change float_t and double_t to long double on i386. All floating point
expressions on i386 are evaluated in the range of the long double type,
so this is wrong in a different but hopefully less worse way than
before. Since expressions are evaluated in long double registers,
there is no runtime cost to using long double instead of double to
declare intermediate values (except in cases where this avoids compiler
bugs), and by careful use of float_t or double_t it is possible to
avoid some of the compiler bugs in this area, provided these types are
declared as long double.
I was going to change float.h to be less broken and more usable in
combination with the change here (in particular, it is more necessary
to know the effective number of bits in a double_t when double_t !=
double, since DBL_MANT_DIG no longer logically gives this, and
LDBL_MANT_DIG doesn't give it either with FreeBSD-i386's default
rounding precision. However, this was too hard for now. In particular,
LDBL_MANT_DIG is used a lot in libm, so it cannot be changed. One
thing that is completely broken now is LDBL_MAX. This may have sort
of worked when it was changed from DBL_MAX in 2002 (adding 0 to it at
runtime gave +Inf, but you could at least compare with it), but starting
with gcc-3.3.1 in 2003, it is always +Inf due to evaluating it at
compile time in the default rounding precision.
Revision Changes Path
1.15 +2 -2 src/sys/i386/include/_types.h
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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Bruce Evans wrote:
> Modified files:
> sys/i386/include _types.h
> Log:
> Change float_t and double_t to long double on i386.
Doesn't this have a rather severe performance impact on any code which
uses double_t?
Colin Percival
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From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
Date: Wed, 5 Mar 2008 11:51:13 +0000 (UTC)
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Subject: cvs commit: src/sbin/geom/core geom.8
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pjd 2008-03-05 11:51:13 UTC
FreeBSD src repository
Modified files:
sbin/geom/core geom.8
Log:
Add info about few missing GEOM classes that use geom(8).
Revision Changes Path
1.22 +13 -1 src/sbin/geom/core/geom.8
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Date: Wed, 5 Mar 2008 15:20:29 +0300
From: Yar Tikhiy <yar@comp.chem.msu.su>
To: Craig Rodrigues <rodrigc@FreeBSD.org>
Message-ID: <20080305122029.GA7027@dg.local>
References: <200803050825.m258Ppv2016738@repoman.freebsd.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sbin/fsck_ffs main.c
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On Wed, Mar 05, 2008 at 08:25:49AM +0000, Craig Rodrigues wrote:
> rodrigc 2008-03-05 08:25:49 UTC
>
> FreeBSD src repository
>
> Modified files:
> sbin/fsck_ffs main.c
> Log:
> For a mounted file system which is read-only, when
> doing the MNT_RELOAD, pass in "ro" and "update"
> string mount options to nmount() instead of MNT_RDONLY and MNT_UPDATE flags.
>
> Due to the complexity of the mount parsing code especially
> with respect to the root file system, passing in MNT_RDONLY and MNT_UPDATE
> flags would do weird things and would cause fsck to convert the root
> file system from a read-only mount to read-write.
Your analysis of the problem sounds not quite correct to me.
In fact, the weird things happen because the "ro" string option
isn't set on the root mount from the outset. After your patch,
fsck just adds the missing "ro" to the root mount options `when it
becomes safe to do so' -- the "ro" string option is dangerous to
set on the root FS from the outset due to a bunch of bugs in the
kernel code, as my experience with this issue showed to the public.
The bugs are all the same: one piece of code passes bit flags and
old-style mount() arguments while its counterpart wants string
options or vice versa. Our current position in the middle of the
way appears totally unacceptable as it leads to problems like this
one. Either we should arrive at using string options exlusively,
or abandon them at all.
Also note that, were the string options implemented in full, there
would be no need for fsck to pass "ro" along with "update" to preserve
read-only status: existing string options go away from the mount
point only if explicitly turned off through a "no" prefix, as in
"noro". This is an evident design point of string options, and it's
implemented already (modulo bugs in vfs_mergeopts().)
Finally, it can be argued that "update" actually belongs to nmount()
flags, not to string options, because essentially it is not a
persistent mount option, it's a modifier for the current operation
requested by this nmount() call. But this is a topic for a separate
discussion on the desired nmount(2) semantics.
I won't restart our back-out war, but please clearly mark your
change as a temporary workaround so that it doesn't mislead people,
including us when we revisit the code. Adding "ro" to the root
mount options lately is an obvious hack, and it isn't a job for
fsck at all.
It'll be safe to set the "ro" string option on the root mount from
the beginning as soon as all the root-capable filesystems and their
mount_foo tools are converted to using string options properly. A
crucial part of the task is your work on nfs_mount(), which I fully
support.
Thanks!
> To test:
> - boot into single user mode
> - show mounted file systems with: mount
> - root file system should be mounted read-only
> - fsck /
> - show mounted file systems with: mount
> - root file system should still be mounted read-only
>
> PR: 120319
> MFC after: 1 month
> Reported by: yar
>
> Revision Changes Path
> 1.49 +3 -1 src/sbin/fsck_ffs/main.c
--
Yar
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From: Rink Springer <rink@FreeBSD.org>
Date: Wed, 5 Mar 2008 14:13:30 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/share/man/man4 Makefile uslcom.4
src/sys/amd64/conf GENERIC src/sys/conf NOTES files
src/sys/dev/usb usbdevs uslcom.c src/sys/i386/conf GENERIC
src/sys/modules Makefile src/sys/modules/uslcom Makefile
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rink 2008-03-05 14:13:30 UTC
FreeBSD src repository
Modified files:
share/man/man4 Makefile
sys/amd64/conf GENERIC
sys/conf NOTES files
sys/dev/usb usbdevs
sys/i386/conf GENERIC
sys/modules Makefile
Added files:
share/man/man4 uslcom.4
sys/dev/usb uslcom.c
sys/modules/uslcom Makefile
Log:
Import uslcom(4) from OpenBSD - this is a driver for Silicon Laboratories
CP2101/CP2102 based USB serial adapters.
Reviewed by: imp, emaste
Obtained from: OpenBSD
MFC after: 2 weeks
Revision Changes Path
1.411 +1 -0 src/share/man/man4/Makefile
1.1 +422 -0 src/share/man/man4/uslcom.4 (new)
1.494 +1 -0 src/sys/amd64/conf/GENERIC
1.1473 +2 -0 src/sys/conf/NOTES
1.1277 +1 -0 src/sys/conf/files
1.341 +26 -0 src/sys/dev/usb/usbdevs
1.1 +2095 -0 src/sys/dev/usb/uslcom.c (new)
1.482 +1 -0 src/sys/i386/conf/GENERIC
1.557 +1 -0 src/sys/modules/Makefile
1.1 +10 -0 src/sys/modules/uslcom/Makefile (new)
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From: Rink Springer <rink@FreeBSD.org>
Date: Wed, 5 Mar 2008 14:18:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/share/man/man4 uslcom.4 src/sys/dev/usb uslcom.c
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rink 2008-03-05 14:18:29 UTC
FreeBSD src repository
Modified files:
share/man/man4 uslcom.4
sys/dev/usb uslcom.c
Log:
Oops, I accidently concatenated uslcom.[c4] multiple times before the
commit :-/ Quickly fix before things get broken...
Pointyhat to: me
Revision Changes Path
1.2 +0 -336 src/share/man/man4/uslcom.4
1.2 +0 -1676 src/sys/dev/usb/uslcom.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 16:34:04 2008
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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Wed, 5 Mar 2008 16:34:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/ufs/ffs ffs_vfsops.c
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kib 2008-03-05 16:34:03 UTC
FreeBSD src repository
Modified files:
sys/ufs/ffs ffs_vfsops.c
Log:
Initialize mnt_stat.f_iosize before autostarting UFS1 extattrs.
It is normally initialized by ffs_statfs() after ffs_mount finished.
The extattr autostart code calls the ufs_lookup(), that uses value above
to iterate over the directory blocks, see bmask initialization in the
ufs_lookup() and ufsdirhash. Having the filesystem with root directory
spanning more then one block would result in reading a random kernel
memory.
PR: kern/120781
Test case provided by: rwatson
MFC after: 1 week
Revision Changes Path
1.338 +1 -0 src/sys/ufs/ffs/ffs_vfsops.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 16:46:39 2008
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Wed, 5 Mar 2008 16:46:38 +0000 (UTC)
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Subject: cvs commit: src/sys/powerpc/mpc85xx pci_ocp.c
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marcel 2008-03-05 16:46:38 UTC
FreeBSD src repository
Modified files:
sys/powerpc/mpc85xx pci_ocp.c
Log:
o Various fixes related to PCI Express:
- Even for the PCI Express host controller we need to use bus 0
for configuration space accesses to devices directly on the
host controller's bus.
- Pass the maximum number of slots to pci_ocp_init() because the
caller knows how many slots the bus has. Previously a PCI or
PCI-X bus underneath a PCI Express host controller would not
be enumerated properly.
o Pull the interrupt routing logic out of pci_ocp_init() and into
its own function. The logic is not quite right and is expected
to be a bit more complex.
o Fix/add support for PCI domains. The PCI domain is the unit
number as per other PCI host controller drivers. As such, we
can use logical bus numbers again and don't have to guarantee
globally unique bus numbers. Remove pci_ocp_busnr. Return the
highest bus number ito the caller of pci_ocp_init() now that
we don't have a global variable anymore.
o BAR programming fixes:
- Non-type0 headers have at most 1 BAR, not 0.
- First write ~0 to the BAR in question and then read back its
size.
Obtained from: Juniper Networks (mostly)
Revision Changes Path
1.2 +65 -37 src/sys/powerpc/mpc85xx/pci_ocp.c
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From: Brooks Davis <brooks@FreeBSD.org>
Date: Wed, 5 Mar 2008 17:51:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sbin/ddb ddb.8 ddb.c
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brooks 2008-03-05 17:51:06 UTC
FreeBSD src repository
Modified files:
sbin/ddb ddb.8 ddb.c
Log:
Add the ability to read a file of commands to ddb(8) modeled after the
feature in ipfw(8).
Revision Changes Path
1.3 +14 -0 src/sbin/ddb/ddb.8
1.2 +67 -5 src/sbin/ddb/ddb.c
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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Wed, 5 Mar 2008 18:04:21 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man4 uslcom.4
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brueffer 2008-03-05 18:04:21 UTC
FreeBSD src repository
Modified files:
share/man/man4 uslcom.4
Log:
mdoc changes to make this manpage consistent with our other section 4 manpages.
Revision Changes Path
1.3 +19 -8 src/share/man/man4/uslcom.4
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 18:15:05 2008
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From: Ken Smith <kensmith@FreeBSD.org>
Date: Wed, 5 Mar 2008 18:15:05 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: CVSROOT approvers
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kensmith 2008-03-05 18:15:05 UTC
FreeBSD src repository
Modified files:
. approvers
Log:
Turn RELENG_7_0 over to the Security Team.
Approved by: core (implicit)
Revision Changes Path
1.48 +1 -1 CVSROOT/approvers
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008 at 11:21:14AM +0000, Bruce Evans wrote:
> Log:
> Change float_t and double_t to long double on i386. All floating point
> expressions on i386 are evaluated in the range of the long double type,
npx.h currently defines __INITIAL_NPXCW__ as 0x127f which makes the x87
emulate double (53-bit) precision rather than its native 64-bit long
double. Doesn't this change also need a corresponding change to npx.h
to make the x87 run with 64-bit precision?
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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From owner-cvs-src@FreeBSD.ORG Wed Mar 5 18:32:59 2008
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From: Brooks Davis <brooks@FreeBSD.org>
Date: Wed, 5 Mar 2008 18:32:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/share/man/man5 rc.conf.5 src/etc Makefile ddb.conf
src/etc/defaults rc.conf src/etc/rc.d Makefile ddb
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brooks 2008-03-05 18:32:58 UTC
FreeBSD src repository
Modified files:
share/man/man5 rc.conf.5
etc Makefile
etc/defaults rc.conf
etc/rc.d Makefile
Added files:
etc ddb.conf
etc/rc.d ddb
Log:
Use the new command file feature of ddb(8) to support setting ddb(4)
scripts at boot. This is currently disabled by default. /etc/ddb.conf
contains some potentially reasonable default scripts.
PR: conf/119995
Submitted by: Scot Hetzel <swhetzel at gmail dot com> (Earlier version)
X-MFC after: textdumps
Revision Changes Path
1.366 +1 -1 src/etc/Makefile
1.1 +15 -0 src/etc/ddb.conf (new)
1.327 +2 -0 src/etc/defaults/rc.conf
1.89 +1 -1 src/etc/rc.d/Makefile
1.1 +32 -0 src/etc/rc.d/ddb (new)
1.335 +13 -0 src/share/man/man5/rc.conf.5
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 18:39:01 2008
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Wed, 5 Mar 2008 18:39:01 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/powerpc/mpc85xx ocpbus.c
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marcel 2008-03-05 18:39:01 UTC
FreeBSD src repository
Modified files:
sys/powerpc/mpc85xx ocpbus.c
Log:
o We don't have to keep track of the PIC, nor do we have to make sure
it's probed first. The PowerPC platform code deals with everything.
As such, probe devices in order of their location in the memory map.
o Refactor the ocpbus_alloc_resource for readability and make sure we
set the RID in the resource as per the new convention.
Revision Changes Path
1.2 +39 -28 src/sys/powerpc/mpc85xx/ocpbus.c
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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 5 Mar 2008 19:58:08 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/nfsclient nfs_socket.c nfs_subs.c nfsm_subs.h
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jhb 2008-03-05 19:58:08 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/nfsclient nfs_socket.c nfs_subs.c nfsm_subs.h
Log:
MFC: Consolidate the code to generate a new XID for a NFS request.
Revision Changes Path
1.154.2.3 +1 -8 src/sys/nfsclient/nfs_socket.c
1.146.2.2 +23 -14 src/sys/nfsclient/nfs_subs.c
1.37.2.1 +1 -0 src/sys/nfsclient/nfsm_subs.h
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jhb 2008-03-05 20:04:16 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/nfsclient nfs_socket.c nfs_subs.c nfsm_subs.h
Log:
MFC: Consolidate the code to generate a new XID for a NFS request.
Revision Changes Path
1.125.2.19 +1 -5 src/sys/nfsclient/nfs_socket.c
1.140.2.4 +17 -11 src/sys/nfsclient/nfs_subs.c
1.36.2.2 +1 -0 src/sys/nfsclient/nfsm_subs.h
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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Wed, 5 Mar 2008 20:11:05 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/usr.bin/make main.c make.1
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yar 2008-03-05 20:11:05 UTC
FreeBSD src repository
Modified files:
usr.bin/make main.c make.1
Log:
Don't forget to set MAKEFLAGS in the childs' environment
from the .MAKEFLAGS global variable even if it's empty or
unset. This means setting MAKEFLAGS to just an empty string
in the latter case.
If not doing so, make(1) behaved inconsistently WRT MAKEFLAGS.
In particular, it would let a `-f foo' option down to sub-makes
if .MAKEFLAGS was unset. E.g.,
env MAKEFLAGS="-f mymakefile" make
would pass `-f mymakefile' down to sub-makes via their environment
(unless mymakefile added something to .MAKEFLAGS).
But any additional options appearing would change this behaviour to
not passing `-f mymakefile' to sub-makes, as in:
env MAKEFLAGS="-f mymakefile" make -D DUMMY
or
env MAKEFLAGS="-f mymakefile -D DUMMY" make
(unless mymakefile cleared .MAKEFLAGS).
Also make(1) would leave MAKEFLAGS at its initial value if the
makefile set .MAKEFLAGS to an empty value. I.e., it was impossible
to override MAKEFLAGS with an empty value. (Note well that makefiles
are not to touch MAKEFLAGS directly, they alter .MAKEFLAGS instead.
So make(1) can filter out things such as -f when copying MAKEFLAGS
to .MAKEFLAGS at startup. Direct modifications to MAKEFLAGS just go
nowhere.)
While the original intentions of the BSD make authors are somewhat
unclear here, the bug proves that NOT passing -f options down is
the settled behaviour because the opposite behaviour is totally
unreliable in the presence of any other options. In addition, not
passing down -f's found in the environment is consistent with doing
so WRT the command line.
Update the manpage accordingly and make the whole description of
MAKEFLAGS and .MAKEFLAGS more consistent as this change indeed
brings more consistency into the reliable behaviour of make(1).
Submitted by: ru (main.c)
Tested with: make world
Revision Changes Path
1.166 +2 -0 src/usr.bin/make/main.c
1.108 +33 -31 src/usr.bin/make/make.1
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 20:17:12 2008
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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 5 Mar 2008 20:17:12 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_4
Cc:
Subject: cvs commit: src/sys/nfs nfs_nqlease.c nfs_socket.c nfs_srvcache.c
nfs_subs.c nfsm_subs.h
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jhb 2008-03-05 20:17:12 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_4)
sys/nfs nfs_nqlease.c nfs_socket.c nfs_srvcache.c
nfs_subs.c nfsm_subs.h
Log:
MFC: Fix a problem with XID re-use when a server returns NFSERR_JUKEBOX.
Revision Changes Path
1.50.2.1 +5 -5 src/sys/nfs/nfs_nqlease.c
1.60.2.8 +11 -3 src/sys/nfs/nfs_socket.c
1.21.2.1 +3 -1 src/sys/nfs/nfs_srvcache.c
1.90.2.5 +18 -12 src/sys/nfs/nfs_subs.c
1.27.2.3 +2 -1 src/sys/nfs/nfsm_subs.h
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 20:19:00 2008
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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 5 Mar 2008 20:19:00 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_4
Cc:
Subject: cvs commit: src/sys/nfs nfs_srvcache.c
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jhb 2008-03-05 20:19:00 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_4)
sys/nfs nfs_srvcache.c
Log:
Bah, extra hunk slipped in.
Revision Changes Path
1.21.2.2 +0 -2 src/sys/nfs/nfs_srvcache.c
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From: Yar Tikhiy <yar@FreeBSD.org>
Date: Wed, 5 Mar 2008 20:24:38 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/make main.c
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yar 2008-03-05 20:24:38 UTC
FreeBSD src repository
Modified files:
usr.bin/make main.c
Log:
The non-POSIX environment variable MAKE was superseded
by MAKEFLAGS ages ago, so don't mention it in comments.
Tested with: cmp(1)
Revision Changes Path
1.167 +1 -1 src/usr.bin/make/main.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 20:33:46 2008
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Date: Wed, 5 Mar 2008 20:33:46 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/net route.c
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jhb 2008-03-05 20:33:46 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/net route.c
Log:
MFC: Use RTFREE_LOCKED() instead of rtfree() when releasing a reference on
the 'rt' route in rtredirect().
Revision Changes Path
1.120.2.3 +1 -1 src/sys/net/route.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 20:58:15 2008
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From: Kris Kennaway <kris@FreeBSD.org>
Date: Wed, 5 Mar 2008 20:58:15 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/secure/usr.bin/ssh Makefile src/secure/usr.sbin/sshd
Makefile
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kris 2008-03-05 20:58:15 UTC
FreeBSD src repository
Modified files:
secure/usr.bin/ssh Makefile
secure/usr.sbin/sshd Makefile
Log:
For users of FreeBSD <= 6.2 we recommend during the x.org 7.x upgrade
that they add X11BASE=${LOCALBASE} to /etc/make.conf since X11BASE was
hard-wired to the now-wrong location in old releases.
However, both X11BASE and LOCALBASE have moved out of scope of src/
into ports/ now, which causes problems for upgraded users who have old
make.conf files still containing the above setting. X11BASE becomes
null and we instruct ssh and sshd to look for xauth in /bin/xauth
where it is unlikely to be found.
Instead, provide a copy of the default LOCALBASE?=/usr/local setting
here.
We also have to deal with the case where the user only overrides
LOCALBASE and doesn't set an explicit X11BASE (in ports it will be set
implicitly but not here), which will also move the location of xauth.
MFC after: 3 days
Reported by: rwatson
Revision Changes Path
1.36 +10 -1 src/secure/usr.bin/ssh/Makefile
1.51 +9 -0 src/secure/usr.sbin/sshd/Makefile
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 21:11:55 2008
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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 5 Mar 2008 21:11:54 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/kern kern_mutex.c
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jhb 2008-03-05 21:11:54 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/kern kern_mutex.c
Log:
MFC: Add a couple of assertions and KTR logging to thread_lock_flags().
Revision Changes Path
1.198.2.2 +7 -1 src/sys/kern/kern_mutex.c
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Subject: cvs commit: src/sys/kern subr_sleepqueue.c
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jhb 2008-03-05 21:12:49 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/kern subr_sleepqueue.c
Log:
MFC: Mark sleepqueue chain spin mutexes as recursable.
Revision Changes Path
1.39.2.2 +1 -1 src/sys/kern/subr_sleepqueue.c
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Subject: cvs commit: src/sys/dev/syscons syscons.h
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jhb 2008-03-05 21:14:06 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/syscons syscons.h
Log:
MFC: Mark the syscons video spin mutex as recursable.
Revision Changes Path
1.88.2.1 +2 -1 src/sys/dev/syscons/syscons.h
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Date: Wed, 5 Mar 2008 21:17:59 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/netstat route.c
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jhb 2008-03-05 21:17:59 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.bin/netstat route.c
Log:
MFC: Make netstat -rn more resilient to having the routing table change out
from under it while running.
Revision Changes Path
1.82.2.3 +43 -19 src/usr.bin/netstat/route.c
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Subject: cvs commit: src/usr.bin/netstat route.c
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jhb 2008-03-05 21:19:25 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
usr.bin/netstat route.c
Log:
MFC: Make netstat -rn more resilient to having the routing table change out
from under it while running.
Revision Changes Path
1.76.2.6 +43 -19 src/usr.bin/netstat/route.c
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From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 5 Mar 2008 22:12:34 +0000 (UTC)
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Subject: cvs commit: src/sys/netgraph ng_base.c
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mav 2008-03-05 22:12:34 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_base.c
Log:
Increase default queue items allocation limit from 512 to 4096 items
to avoid terrible unpredicted effects for netgraph operation of their
exhaustion while allocating control messages.
Add separate configurable 512 items limit for data items allocation
for DoS/overload protection.
Discussed with: julian
Revision Changes Path
1.149 +16 -2 src/sys/netgraph/ng_base.c
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 22:24:02 2008
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Date: Wed, 5 Mar 2008 22:24:02 +0000
From: Craig Rodrigues <rodrigc@crodrigues.org>
To: Yar Tikhiy <yar@comp.chem.msu.su>
Message-ID: <20080305222402.GA80407@crodrigues.org>
References: <200803050825.m258Ppv2016738@repoman.freebsd.org>
<20080305122029.GA7027@dg.local>
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Cc: Craig Rodrigues <rodrigc@FreeBSD.org>, cvs-src@FreeBSD.org,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sbin/fsck_ffs main.c
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On Wed, Mar 05, 2008 at 03:20:29PM +0300, Yar Tikhiy wrote:
> Your analysis of the problem sounds not quite correct to me.
You make some interesting points in your e-mail.
I suggest that you summarize the points and
post them to arch@ for further review and discussion.
There is how nmount() should work in an ideal world,
and then there is the existing implentation, which is
not exactly clean and perfect. It is important as
we clean up the nmount() code in the tree, that we
keep things working without introducing too many hacks.
The problem with the mount code in FreeBSD is that a fix that
appears "correct" in one area, may break things somewhere else, because
that area has hacks/workarounds/improper coding/whatever
that "just happened to work". So while you may disagree with
the aesthetics of some of the mount patches.....I have been trying
to slowly migrate things over and clean things up in the various
mount binaries and file systems and still try to keep things working
the way they have before. I've not been perfect and have made some
mistakes along the way, but I try to clean things up.
My complaints with your mode of operation have been:
- you started committing in an area in which you don't have
a lot of track record in working in
- you started breaking things in configurations you were
unable/unwilling/no time to fix or investigate
- you post long e-mails, or commit messages complaining about how
you don't like how the mount code is structured or works, but your
posts tend to look like rants
I agree with a lot of what you have posted, but you need to
be more constructive, and post your suggestions to arch@ to get
proper review and discussion going.
I know you mean well, but you need to slow down and direct your
focus more constructively....otherwise it looks like you are
ranting and doing drive-by commits.
Unfortunately, the mount code is core functionality, that when it
doesn't work properly, people complain *A LOT*, so treading carefully
is key.
Cheers.
--
Craig Rodrigues
rodrigc@crodrigues.org
From owner-cvs-src@FreeBSD.ORG Wed Mar 5 22:58:03 2008
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From: David Christensen <davidch@FreeBSD.org>
Date: Wed, 5 Mar 2008 22:58:02 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/mii brgphy.c miidevs
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davidch 2008-03-05 22:58:02 UTC
FreeBSD src repository
Modified files:
sys/dev/mii brgphy.c miidevs
Log:
- Add PHY ID for BCM5709C 1000Base-T controllers.
MFC after: 1 week
Revision Changes Path
1.72 +4 -2 src/sys/dev/mii/brgphy.c
1.50 +2 -0 src/sys/dev/mii/miidevs
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From: Xin LI <delphij@FreeBSD.org>
Date: Wed, 5 Mar 2008 23:17:19 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sbin/newfs mkfs.c
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delphij 2008-03-05 23:17:19 UTC
FreeBSD src repository
Modified files:
sbin/newfs mkfs.c
Log:
Use calloc().
Revision Changes Path
1.95 +1 -2 src/sbin/newfs/mkfs.c
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Date: Wed, 5 Mar 2008 23:31:49 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sbin/geom Makefile src/sbin/geom/class/label
geom_label.c src/sbin/geom/core geom.c
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delphij 2008-03-05 23:31:49 UTC
FreeBSD src repository
Modified files:
sbin/geom Makefile
sbin/geom/class/label geom_label.c
sbin/geom/core geom.c
Log:
Make it possible to build glabel into rescue geom(8) utility.
Ok'ed by: marcel
No objection: -current@
Revision Changes Path
1.3 +5 -2 src/sbin/geom/Makefile
1.11 +8 -3 src/sbin/geom/class/label/geom_label.c
1.35 +5 -0 src/sbin/geom/core/geom.c
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From: Xin LI <delphij@FreeBSD.org>
Date: Wed, 5 Mar 2008 23:32:12 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/rescue/rescue Makefile
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delphij 2008-03-05 23:32:12 UTC
FreeBSD src repository
Modified files:
rescue/rescue Makefile
Log:
Add an alias for glabel(8).
Revision Changes Path
1.59 +1 -0 src/rescue/rescue/Makefile
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From: Stanislav Sedov <stas@FreeBSD.org>
To: Rafal Jaworowski <raj@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf options.powerpc src/sys/dev/uart
uart.h uart_bus_ocp.c uart_cpu_powerpc.c src/sys/kern
subr_witness.c src/sys/powerpc/booke clock.c copyinout.c
interrupt.c locore.S machdep.c pmap.c support.S swtch.S trap.c
trap_subr.S ...
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On Mon, Mar 03, 2008 at 05:17:01PM +0000 Rafal Jaworowski mentioned:
> pci_ocp.c
> Log:
> Initial support for Freescale PowerQUICC III MPC85xx system-on-chip family.
>
> The PQ3 is a high performance integrated communications processing system
> based on the e500 core, which is an embedded RISC processor that implements
> the 32-bit Book E definition of the PowerPC architecture. For details refer
> to: http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPC8555E
>
Thank you all guys for this work!
--
Stanislav Sedov
ST4096-RIPE
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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 6 Mar 2008 00:22:17 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.sbin/moused moused.c
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jkim 2008-03-06 00:22:17 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused moused.c
Log:
Prefer clock_gettime(2) over gettimeofday(2) and use CLOCK_MONOTONIC_FAST.
It is only used to track elapsed time and it does not have to be precise.
Revision Changes Path
1.80 +82 -63 src/usr.sbin/moused/moused.c
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Bruce Evans <bde@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, 6 Mar 2008, Peter Jeremy wrote:
> On Wed, Mar 05, 2008 at 11:21:14AM +0000, Bruce Evans wrote:
>> Log:
>> Change float_t and double_t to long double on i386. All floating point
>> expressions on i386 are evaluated in the range of the long double type,
>
> npx.h currently defines __INITIAL_NPXCW__ as 0x127f which makes the x87
> emulate double (53-bit) precision rather than its native 64-bit long
> double. Doesn't this change also need a corresponding change to npx.h
> to make the x87 run with 64-bit precision?
Not quite. The precision can be changed at runtime too, but much more
than changing the control word is required for completely working
64-bit on precision x87s in C. It is also necessary to change gcc.
Apart from the 20 year old bugs in the support for extra precision,
it is necessary to not configure the almost-hard-coded support for
FreeBSD's __INITIAL_NPXCW__ (this support mainly breaks increasing
the precision at runtime by evaluating too much at compile time).
Bruce
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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 6 Mar 2008 00:24:11 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/moused moused.c
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jkim 2008-03-06 00:24:11 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused moused.c
Log:
Fix compiler warnings and style(9) bugs.
Revision Changes Path
1.81 +202 -193 src/usr.sbin/moused/moused.c
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From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Thu, 6 Mar 2008 00:25:16 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/moused Makefile
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jkim 2008-03-06 00:25:16 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused Makefile
Log:
Mark moused(8) WARNS=6 clean.
Revision Changes Path
1.10 +2 -0 src/usr.sbin/moused/Makefile
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From: Maksim Yevmenkin <emax@FreeBSD.org>
Date: Thu, 6 Mar 2008 00:37:29 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/bluetooth/rfcomm_pppd rfcomm_pppd.8
rfcomm_pppd.c
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emax 2008-03-06 00:37:29 UTC
FreeBSD src repository
Modified files:
usr.sbin/bluetooth/rfcomm_pppd rfcomm_pppd.8 rfcomm_pppd.c
Log:
Add an option to register DUN (Dial-Up Networking) service on the same
RFCOMM channel if needed. There is really no good reason to not to support
this. AT-command exchange can be faked with chat script in ppp.conf.
MFC after: 1 week
Revision Changes Path
1.15 +10 -1 src/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.8
1.7 +33 -2 src/usr.sbin/bluetooth/rfcomm_pppd/rfcomm_pppd.c
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From: Xin LI <delphij@FreeBSD.org>
Date: Thu, 6 Mar 2008 01:05:10 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/lib/libc/resolv res_comp.c
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delphij 2008-03-06 01:05:10 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libc/resolv res_comp.c
Log:
MFC revision 1.5
date: 2008/02/16 00:16:49; author: delphij; state: Exp; lines: +2 -1
Allow underscore in domain names while resolving. While having underscore
is a violation of RFC 1034 [STD 13], it is accepted by certain name servers
as well as other popular operating systems' resolver library.
Bugs are mine.
Obtained from: ume
Revision Changes Path
1.4.2.1 +2 -1 src/lib/libc/resolv/res_comp.c
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From: Xin LI <delphij@FreeBSD.org>
Date: Thu, 6 Mar 2008 01:05:30 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/lib/libc/resolv res_comp.c
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delphij 2008-03-06 01:05:30 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
lib/libc/resolv res_comp.c
Log:
MFC revision 1.5
date: 2008/02/16 00:16:49; author: delphij; state: Exp; lines: +2 -1
Allow underscore in domain names while resolving. While having underscore
is a violation of RFC 1034 [STD 13], it is accepted by certain name servers
as well as other popular operating systems' resolver library.
Bugs are mine.
Obtained from: ume
Revision Changes Path
1.2.2.2 +2 -1 src/lib/libc/resolv/res_comp.c
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Date: Thu, 6 Mar 2008 01:47:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/nfe if_nfe.c if_nfereg.h if_nfevar.h
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yongari 2008-03-06 01:47:53 UTC
FreeBSD src repository
Modified files:
sys/dev/nfe if_nfe.c if_nfereg.h if_nfevar.h
Log:
Nuke local jumbo allocator and switch to use of UMA backed page
allocator for jumbo frame. Also remove unneeded jlist lock which
is no longer required to protect jumbo buffers.
With these changes jumbo frame performance of nfe(4) was slightly
increased and users should not encounter jumbo buffer allocation
failure anymore.
Revision Changes Path
1.27 +6 -166 src/sys/dev/nfe/if_nfe.c
1.11 +0 -9 src/sys/dev/nfe/if_nfereg.h
1.6 +0 -10 src/sys/dev/nfe/if_nfevar.h
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From: David Xu <davidxu@FreeBSD.org>
Date: Thu, 6 Mar 2008 01:59:08 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/lib/libthr/thread thr_create.c
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davidxu 2008-03-06 01:59:08 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_create.c
Log:
Restore code setting new thread's scheduler parameters, I was thinking
that there might be starvations, but because we have already locked the
thread, the cpuset settings will always be done before the new thread
does real-world work.
Revision Changes Path
1.40 +11 -15 src/lib/libthr/thread/thr_create.c
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Date: Thu, 6 Mar 2008 02:07:18 +0000 (UTC)
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Subject: cvs commit: src/lib/libthr/thread thr_exit.c
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davidxu 2008-03-06 02:07:18 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_exit.c
Log:
Don't report death event to debugger if it is a forced exit.
Revision Changes Path
1.25 +1 -1 src/lib/libthr/thread/thr_exit.c
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Date: Wed, 5 Mar 2008 21:12:22 -0500
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<20080305182531.GS68971@server.vk2pj.dyndns.org>
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> Bruce Evans wrote:
> > Modified files:
> > sys/i386/include _types.h
> > Log:
> > Change float_t and double_t to long double on i386.
>
> Doesn't this have a rather severe performance impact on any code which
> uses double_t?
Yes, if the code is compiled with -msse2. Otherwise, doubles get
fed to the i387 anyway.
On Thu, Mar 06, 2008, Peter Jeremy wrote:
> npx.h currently defines __INITIAL_NPXCW__ as 0x127f which makes the x87
> emulate double (53-bit) precision rather than its native 64-bit long
> double. Doesn't this change also need a corresponding change to npx.h
> to make the x87 run with 64-bit precision?
Technically Bruce's change isn't wrong without changing the
default precision, it's just rather pointless. (Why tell programs
to store variables in a wider format if you're just going to
evaluate them in a narrower format anyway?) So I guess I agree
that if we're going to go down this path, we ought to just bite
the bullet and change npx.h and contrib/gcc/config/i386/freebsd.h
to use 64-bit precision by default on i386.
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/usr.sbin/moused Makefile
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In message: <200803060025.m260PGfF017248@repoman.freebsd.org>
Jung-uk Kim <jkim@FreeBSD.org> writes:
: jkim 2008-03-06 00:25:16 UTC
:
: FreeBSD src repository
:
: Modified files:
: usr.sbin/moused Makefile
: Log:
: Mark moused(8) WARNS=6 clean.
NEVER SET WARNS to a higher level unless you've done a make universe.
The arm tinderbox is failing:
===> usr.sbin/moused (all)
cc -O -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wno-pointer-sign -c /src/usr.sbin/moused/moused.c
cc1: warnings being treated as errors
/src/usr.sbin/moused/moused.c: In function 'r_timestamp':
/src/usr.sbin/moused/moused.c:2550: warning: format '%ld' expects type 'long int', but argument 2 has type 'time_t'
/src/usr.sbin/moused/moused.c:2562: warning: format '%ld' expects type 'long int', but argument 2 has type 'time_t'
*** Error code 1
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From: Warner Losh <imp@FreeBSD.org>
Date: Thu, 6 Mar 2008 02:13:53 +0000 (UTC)
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Subject: cvs commit: src/usr.sbin/moused Makefile
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imp 2008-03-06 02:13:53 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused Makefile
Log:
This breaks the arm build, back it out until that's fixed
Revision Changes Path
1.11 +1 -1 src/usr.sbin/moused/Makefile
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Date: Thu, 6 Mar 2008 02:14:45 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/usr.sbin/moused moused.c
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jkim 2008-03-06 02:14:45 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused moused.c
Log:
Cast time_t to long to mute tinderbox build failure.
Revision Changes Path
1.82 +2 -2 src/usr.sbin/moused/moused.c
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Subject: Re: cvs commit: src/usr.sbin/moused Makefile
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On Wednesday 05 March 2008 09:12 pm, M. Warner Losh wrote:
> In message: <200803060025.m260PGfF017248@repoman.freebsd.org>
>
> Jung-uk Kim <jkim@FreeBSD.org> writes:
> : jkim 2008-03-06 00:25:16 UTC
> :
> : FreeBSD src repository
> :
> : Modified files:
> : usr.sbin/moused Makefile
> : Log:
> : Mark moused(8) WARNS=6 clean.
>
> NEVER SET WARNS to a higher level unless you've done a make
> universe. The arm tinderbox is failing:
>
> ===> usr.sbin/moused (all)
> cc -O -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W
> -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes
> -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch
> -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline
> -Wnested-externs -Wredundant-decls -Wno-pointer-sign -c
> /src/usr.sbin/moused/moused.c cc1: warnings being treated as errors
> /src/usr.sbin/moused/moused.c: In function 'r_timestamp':
> /src/usr.sbin/moused/moused.c:2550: warning: format '%ld' expects
> type 'long int', but argument 2 has type 'time_t'
> /src/usr.sbin/moused/moused.c:2562: warning: format '%ld' expects
> type 'long int', but argument 2 has type 'time_t' *** Error code 1
It should be fixed now. Sorry.
Jung-uk Kim
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 02:31:37 2008
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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Am Do, 6.03.2008, 03:14, schrieb Jung-uk Kim:
> jkim 2008-03-06 02:14:45 UTC
>
> FreeBSD src repository
>
> Modified files:
> usr.sbin/moused moused.c
> Log:
> Cast time_t to long to mute tinderbox build failure.
doesn't this defeat the purpose of having time_t in the first place? I'd
rather cast to intmax_t and print with %j ... though it probably doesn't
matter.
> Revision Changes Path
> 1.82 +2 -2 src/usr.sbin/moused/moused.c
>
>
--
/"\ Best regards, | mlaier@freebsd.org
\ / Max Laier | ICQ #67774661
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From owner-cvs-src@FreeBSD.ORG Thu Mar 6 02:43:56 2008
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Date: Wed, 5 Mar 2008 21:43:46 -0500
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Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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On Wednesday 05 March 2008 09:31 pm, Max Laier wrote:
> Am Do, 6.03.2008, 03:14, schrieb Jung-uk Kim:
> > jkim 2008-03-06 02:14:45 UTC
> >
> > FreeBSD src repository
> >
> > Modified files:
> > usr.sbin/moused moused.c
> > Log:
> > Cast time_t to long to mute tinderbox build failure.
>
> doesn't this defeat the purpose of having time_t in the first
> place? I'd rather cast to intmax_t and print with %j ... though
> it probably doesn't matter.
Now the timestamp is uptime and the breakage was just debugging
output, it shouldn't really matter at all but I will do that soon.
Thanks,
Jung-uk Kim
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 02:46:09 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Bruce Evans <bde@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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Bruce Evans wrote:
> On Wed, 5 Mar 2008, Colin Percival wrote:
>> Bruce Evans wrote:
>>> Change float_t and double_t to long double on i386.
>>
>> Doesn't this have a rather severe performance impact on any code which
>> uses double_t?
>
> No. As mentioned in the commit message, this has no performance effect
> except in cases where it avoids compiler bugs. [...] if you use long double
> for memory variables then you get a severe performance impact and some
> space loss for the load instruction, since loading long doubles is
> much slower than loading doubles (about 4 times slower on Athlons).
Either I'm misunderstanding something, or you seem to be disagreeing with
yourself here... if I have the following code
double_t foo, bar, foobar;
foobar = foo + bar;
then prior to this change the processor loads and stores doubles, while
after this change the processor loads and stores long doubles, with the
associated performance penalty.
Colin Percival
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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David Schultz wrote:
> ... if we're going to go down this path, we ought to just bite
> the bullet and change npx.h and contrib/gcc/config/i386/freebsd.h
> to use 64-bit precision by default on i386.
Why would we want to randomly and pointlessly break things? To quote
Kahan, "if a programmer asks for IEEE double-precision arithmetic, of
course that's what you should give him" -- double rounding is simply
not acceptable.
Colin Percival
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From: Bruce Evans <brde@optusnet.com.au>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Bruce Evans <bde@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, Colin Percival wrote:
> Bruce Evans wrote:
>> Modified files:
>> sys/i386/include _types.h
>> Log:
>> Change float_t and double_t to long double on i386.
>
> Doesn't this have a rather severe performance impact on any code which
> uses double_t?
No. As mentioned in the commit message, this has no performance effect
except in cases where it avoids compiler bugs. In fact, I need it
partly to improve performance in cases where other methods of avoiding
the compiler bugs (including fixing the compiler) have a severe
performance effect. Using a correctly defined double_t makes it
possible for non-broken generated code to operate entirely on registers,
while using plain double requires either broken generated code or
lots of conversions via memory. E.g.:
double x, y, z;
z = x + y;
Typical wrong generated i386 code for this:
fadd %st(1),%st
Non-broken code for this (get it by fixing the compiler or messing
up the source code using something like STRICT_ASSIGN()):
fadd %st(1),%st
fstpl mem # or fstps/flds to convert to float
fldl mem
Using double_t == long double:
double_t x, y, z;
z = x + y;
Typical generated i386 code for this:
fadd %st(1),%st
x and y would probably start out as doubles and be loaded into registers
using fldl. This gives a long double whether you want it to or not
(all FP registers are long double). Then the severe performance impact
is from converting the long double back to "double z" on assignment
as is required for C compilers. OTOH, if you use long double for
memory variables then you get a severe performance impact and some
space loss for the load instruction, since loading long doubles is
much slower than loading doubles (about 4 times slower on Athlons).
Bruce
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From: David Xu <davidxu@FreeBSD.org>
Date: Thu, 6 Mar 2008 03:24:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/lib/libthr/thread thr_attr.c
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davidxu 2008-03-06 03:24:03 UTC
FreeBSD src repository
Modified files:
lib/libthr/thread thr_attr.c
Log:
Fix a bug when calculating remnant size.
Revision Changes Path
1.11 +1 -1 src/lib/libthr/thread/thr_attr.c
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 03:31:35 2008
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Date: Wed, 5 Mar 2008 22:32:46 -0500
From: David Schultz <das@FreeBSD.ORG>
To: Colin Percival <cperciva@FreeBSD.ORG>
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Cc: Peter Jeremy <peterjeremy@optushome.com.au>, src-committers@FreeBSD.ORG,
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> David Schultz wrote:
> > ... if we're going to go down this path, we ought to just bite
> > the bullet and change npx.h and contrib/gcc/config/i386/freebsd.h
> > to use 64-bit precision by default on i386.
>
> Why would we want to randomly and pointlessly break things? To quote
> Kahan, "if a programmer asks for IEEE double-precision arithmetic, of
> course that's what you should give him" -- double rounding is simply
> not acceptable.
gcc/i386 doesn't correctly support IEEE 754 floating point no
matter which option we choose. It's really a question of whether
we want unexpected behavior for doubles or for long doubles.
First, what you say above isn't quite right. Even IEEE 754R says
that implementations should be allowed to use wider precision when
available, but there are four cases where values are required to
be rounded to the precision of the type: assignments, casts,
function arguments, and function return values. C99 has a subset
of these requirements, but it's pretty clear that the C99 authors
were confused about some of the details.
gcc doesn't get any of this right. FreeBSD/i386 fixes the problem
for /doubles/ by setting the i387 to use 53-bit precision. The
downside is that this breaks long doubles. 15 years ago, this was
clearly the right thing to do, because we had a double precision
libm that would break when gcc got things wrong, and no long
double support anyway. Now we have a bunch of long double math
functions that have problems as a result of the reduced precision.
Furthermore, since gcc is the 800-pound gorilla here, many
programmers have grown accustomed to its shortcomings.
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Date: Wed, 5 Mar 2008 22:38:07 -0500
From: David Schultz <das@FreeBSD.ORG>
To: Colin Percival <cperciva@FreeBSD.ORG>
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Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>,
Bruce Evans <brde@optusnet.com.au>, cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> Bruce Evans wrote:
> > On Wed, 5 Mar 2008, Colin Percival wrote:
> >> Bruce Evans wrote:
> >>> Change float_t and double_t to long double on i386.
> >>
> >> Doesn't this have a rather severe performance impact on any code which
> >> uses double_t?
> >
> > No. As mentioned in the commit message, this has no performance effect
> > except in cases where it avoids compiler bugs. [...] if you use long double
> > for memory variables then you get a severe performance impact and some
> > space loss for the load instruction, since loading long doubles is
> > much slower than loading doubles (about 4 times slower on Athlons).
>
> Either I'm misunderstanding something, or you seem to be disagreeing with
> yourself here... if I have the following code
>
> double_t foo, bar, foobar;
> foobar = foo + bar;
>
> then prior to this change the processor loads and stores doubles, while
> after this change the processor loads and stores long doubles, with the
> associated performance penalty.
If gcc actually implemented IEEE 754R / C99 / LIA1 correctly, then
when compiling something like 'double x = y' would require it to
store the value to memory and then reload it to force it to 53-bit
precision. The whole point of double_t is to allow the programmer
to ask for a variable that is "at least double precision", so that
the compiler isn't forced to clip everything to double precision
if it's inefficient to do so. However, gcc doesn't compile the above
expression correctly, and FreeBSD works around the problem by
setting the default rounding mode to 53 bits, which is why it's
pointless to increase the size of double_t.
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 04:07:32 2008
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/usr.sbin/moused Makefile
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In message: <200803052126.45821.jkim@FreeBSD.org>
Jung-uk Kim <jkim@FreeBSD.org> writes:
: On Wednesday 05 March 2008 09:12 pm, M. Warner Losh wrote:
: > In message: <200803060025.m260PGfF017248@repoman.freebsd.org>
: >
: > Jung-uk Kim <jkim@FreeBSD.org> writes:
: > : jkim 2008-03-06 00:25:16 UTC
: > :
: > : FreeBSD src repository
: > :
: > : Modified files:
: > : usr.sbin/moused Makefile
: > : Log:
: > : Mark moused(8) WARNS=6 clean.
: >
: > NEVER SET WARNS to a higher level unless you've done a make
: > universe. The arm tinderbox is failing:
: >
: > ===> usr.sbin/moused (all)
: > cc -O -pipe -Wsystem-headers -Werror -Wall -Wno-format-y2k -W
: > -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes
: > -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch
: > -Wshadow -Wcast-align -Wunused-parameter -Wchar-subscripts -Winline
: > -Wnested-externs -Wredundant-decls -Wno-pointer-sign -c
: > /src/usr.sbin/moused/moused.c cc1: warnings being treated as errors
: > /src/usr.sbin/moused/moused.c: In function 'r_timestamp':
: > /src/usr.sbin/moused/moused.c:2550: warning: format '%ld' expects
: > type 'long int', but argument 2 has type 'time_t'
: > /src/usr.sbin/moused/moused.c:2562: warning: format '%ld' expects
: > type 'long int', but argument 2 has type 'time_t' *** Error code 1
:
: It should be fixed now. Sorry.
Thanks!
Warner
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Subject: cvs commit: src/usr.sbin/moused Makefile
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imp 2008-03-06 04:09:06 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused Makefile
Log:
The breakage from increased warns has been fixed, back out my back out
Revision Changes Path
1.12 +1 -1 src/usr.sbin/moused/Makefile
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From: Mike Silbersack <silby@silby.com>
To: Bruce Evans <bde@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, Bruce Evans wrote:
> bde 2008-03-05 11:21:14 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/i386/include _types.h
> Log:
> Change float_t and double_t to long double on i386. All floating point
For those of us who are not floating point experts, can you explain a few
things?
1) Does this really change every double to a long double in anything
compiled?
2) How does this affect ABI compatibility?
3) How does this change the operation of various programs in the ports
tree that use floating point, such as mplayer, mpg123, etc. Will this
cause different behavior when these apps are used on FreeBSD vs other
operating systems?
As I've said in the past, I'd really, really, really like to see
regression tests for any change to the floating point functions. The
types of changes you've been making are not easy to verify just by looking
at diffs.
Thanks,
-Mike
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From: Colin Percival <cperciva@freebsd.org>
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To: Colin Percival <cperciva@FreeBSD.ORG>, Bruce Evans <brde@optusnet.com.au>,
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David Schultz wrote:
> If gcc actually implemented IEEE 754R / C99 / LIA1 correctly, then
> when compiling something like 'double x = y' would require it to
> store the value to memory and then reload it to force it to 53-bit
> precision.
Even this wouldn't work, since it would result in double rounding.
> The whole point of double_t is to allow the programmer
> to ask for a variable that is "at least double precision", so that
> the compiler isn't forced to clip everything to double precision
> if it's inefficient to do so.
Right -- and that's why numerical analysts should use double (after
proving that their code will produce the correct results using
double-precision arithmetic) while people who don't understand
floating-point math should always use double_t.
> However, gcc doesn't compile the above
> expression correctly, and FreeBSD works around the problem by
> setting the default rounding mode to 53 bits, which is why it's
> pointless to increase the size of double_t.
I disagee with your characterization of setting the rounding mode
as a "workaround", but your conclusion is correct: At the moment,
increasing the size of double_t is pointless.
Colin Percival
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 05:19:37 2008
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From: Colin Percival <cperciva@freebsd.org>
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To: Colin Percival <cperciva@FreeBSD.ORG>,
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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David Schultz wrote:
> On Wed, Mar 05, 2008, Colin Percival wrote:
>> David Schultz wrote:
>>> ... if we're going to go down this path, we ought to just bite
>>> the bullet and change npx.h and contrib/gcc/config/i386/freebsd.h
>>> to use 64-bit precision by default on i386.
>> Why would we want to randomly and pointlessly break things? To quote
>> Kahan, "if a programmer asks for IEEE double-precision arithmetic, of
>> course that's what you should give him" -- double rounding is simply
>> not acceptable.
>
> gcc/i386 doesn't correctly support IEEE 754 floating point no
> matter which option we choose. It's really a question of whether
> we want unexpected behavior for doubles or for long doubles.
As far as I can see, there's no question here. C99 requires that
the "double" type matches the IEEE 754 64-bit double; but it allows
the "long double" type to be an IEEE 754 80-bit extended, a 128-bit
quadruple, a 64-bit double, or anything else which is at least as
good as a 64-bit double.
Setting the i387 FPU to 53-bit precision gives standards-compliant
behaviour whether people are using "double" or "long double". Setting
it to 64-bit precision gives standards-compliant behaviour when people
are using long doubles, but not when people are using doubles.
> First, what you say above isn't quite right. Even IEEE 754R says
> that implementations should be allowed to use wider precision when
> available, but there are four cases where values are required to
> be rounded to the precision of the type: assignments, casts,
> function arguments, and function return values.
Yes and no. Double rounding isn't allowed; so performing operations
with extended precision and then rounding to double precision later
is not a valid option. The only way on the i387 to provide standards
compliant floating-point arithmetic is to have the FPU set to not use
the extra precision in the first place.
> The downside is that this breaks long doubles.
Except that it doesn't. Using 53-bit precision for long doubles is
a perfectly valid and standards-compliant option.
Colin Percival
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 05:30:15 2008
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From: Colin Percival <cperciva@freebsd.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Bruce Evans <bde@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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Mike Silbersack wrote:
> On Wed, 5 Mar 2008, Bruce Evans wrote:
>> Change float_t and double_t to long double on i386. All floating point
>
> 1) Does this really change every double to a long double in anything
> compiled?
No, it changes double_t (which is not the same as double).
> 2) How does this affect ABI compatibility?
This breaks ABI compatibility (when people use float_t or double_t).
> 3) How does this change the operation of various programs in the ports
> tree that use floating point, such as mplayer, mpg123, etc. Will this
> cause different behavior when these apps are used on FreeBSD vs other
> operating systems?
Most code in the ports tree will be using double instead of double_t, and
will consequently not be affected. Code which uses double_t will be slower
due to the increased cost of loads and stores, and may produce different
output if it changes the i387 precision flags.
At the moment, FreeBSD behaves the same way as Microsoft Windows and C99,
and differently from Linux: Linux sets the i387 by default to extended
precision, which has the result of decreasing the average rounding error
while increasing the maximum rounding error (due to double rounding when
values which were internally rounded to extended precision are rounded
to double precision later) and sometimes breaking code entirely (when
the properties of floating-point rounding are used deliberately, e.g.,
to rapidly round a floating-point value to the nearest integer).
I've answered queries from some mathematicians and scientists who were
confused as to why they were seeing higher rounding errors on FreeBSD and
Windows than they were on Linux; but when I've explained the behavioural
differences to numerical analysts, the universal reaction I've received
has been "dear god, Linux does WHAT?" -- oddly enough, mathematicians like
to think that proving that their code is correct will be enough to ensure
that it will produce correct output.
Colin Percival
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 05:35:22 2008
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Date: Wed, 5 Mar 2008 21:34:46 -0800
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Mike Silbersack <silby@silby.com>
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Bruce Evans <bde@freebsd.org>, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008 at 11:13:33PM -0600, Mike Silbersack wrote:
>
> 3) How does this change the operation of various programs in the ports
> tree that use floating point, such as mplayer, mpg123, etc. Will this
> cause different behavior when these apps are used on FreeBSD vs other
> operating systems?
IIRC, mplayer (as does several other ports) uses -ffast-math,
which means mplayer doesn't care about the floating point.
--
Steve
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X-FreeBSD-CVS-Branch: RELENG_7
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Subject: cvs commit: src/sys/kern uipc_syscalls.c
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cperciva 2008-03-06 05:41:45 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/kern uipc_syscalls.c
Log:
MFC revision 1.269: Fix sending trailers in sendfile(2).
Revision Changes Path
1.259.2.3 +3 -1 src/sys/kern/uipc_syscalls.c
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On Wed, Mar 05, 2008 at 10:32:46PM -0500, David Schultz wrote:
>gcc doesn't get any of this right. FreeBSD/i386 fixes the problem
>for /doubles/ by setting the i387 to use 53-bit precision.
Note that FreeBSD/amd64 does not do this when running i386 binaries
so you can get discrepancies between running the same program natively
vs running it in compatibility mode.
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> David Schultz wrote:
> > If gcc actually implemented IEEE 754R / C99 / LIA1 correctly, then
> > when compiling something like 'double x = y' would require it to
> > store the value to memory and then reload it to force it to 53-bit
> > precision.
>
> Even this wouldn't work, since it would result in double rounding.
Nevertheless, this is all that is guaranteed because it is often
impractical to do better, and because these semantics are often
sufficient. The usual formulas for splitting a number into hi + lo
components work, for example. Furthermore, implementations that
use extra guard bits in their FP registers can avoid the double
rounding.
> > The whole point of double_t is to allow the programmer
> > to ask for a variable that is "at least double precision", so that
> > the compiler isn't forced to clip everything to double precision
> > if it's inefficient to do so.
>
> Right -- and that's why numerical analysts should use double (after
> proving that their code will produce the correct results using
> double-precision arithmetic) while people who don't understand
> floating-point math should always use double_t.
Not really. There are times when it matters and times when it
doesn't. If you're evaluating a Chebyshev polynomial via Horner's
formula, for example, imprecisions in rounding can generally be
ignored until the last one or two multiplications. Similarly, if
you're doing Newton iteration, only roundoff in the last iteration
matters. At other times it really does matter, and numerical
analysts know how to tell the difference.
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Cc: Peter Jeremy <peterjeremy@optushome.com.au>, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>, cvs-all@FreeBSD.ORG, cvs-src@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> Setting the i387 FPU to 53-bit precision gives standards-compliant
> behaviour whether people are using "double" or "long double".
Not quite.
> Yes and no. Double rounding isn't allowed;
Yes, it is.
> > The downside is that this breaks long doubles.
>
> Except that it doesn't. Using 53-bit precision for long doubles is
> a perfectly valid and standards-compliant option.
It's impossible to implement efficient library functions that
produce correct long double results when the FPU is set to 64-bit
mode and avoid double rounding and related problems when the FPU
is set to 53-bit mode. (Many of these functions use bit fiddling,
or range checks that are based on the expected width of the type,
for example.) In practice, there are other impediments to making
long doubles work correctly, such as constant folding and gcc's
lack of support for FENV_ACCESS.
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Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>,
Colin Percival <cperciva@FreeBSD.ORG>, cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, Mar 06, 2008, Peter Jeremy wrote:
> On Wed, Mar 05, 2008 at 10:32:46PM -0500, David Schultz wrote:
> >gcc doesn't get any of this right. FreeBSD/i386 fixes the problem
> >for /doubles/ by setting the i387 to use 53-bit precision.
>
> Note that FreeBSD/amd64 does not do this when running i386 binaries
> so you can get discrepancies between running the same program natively
> vs running it in compatibility mode.
Good point. I don't think i386 ever got fixed to do the
appropriate mode change for Linux binaries, either, BTW.
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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David Schultz wrote:
> On Wed, Mar 05, 2008, Colin Percival wrote:
>> Setting the i387 FPU to 53-bit precision gives standards-compliant
>> behaviour whether people are using "double" or "long double".
>
> Not quite.
How is it not standards-compliant?
>> Yes and no. Double rounding isn't allowed;
>
> Yes, it is.
No, it isn't. The following code
double x, y, z;
x = 1.0;
y = 0x1.0p-53 + 0x1.0p-75;
z = x + y;
z = z - 1.0;
if (z == 0.0)
printf("BUGGY MATH\n");
else
printf("IEEE754-COMPLIANT MATH\n");
should never output "BUGGY MATH", since x + y should round up to
1 + 2^(-52); but if you set the i387 to use extended precision, it
gets the wrong answer.
>>> The downside is that this breaks long doubles.
>> Except that it doesn't. Using 53-bit precision for long doubles is
>> a perfectly valid and standards-compliant option.
>
> It's impossible to implement efficient library functions that
> produce correct long double results
You could have stopped this sentence here -- for all practical purposes,
correctly rounded trigonometric functions are not feasible.
> when the FPU is set to 64-bit
> mode and avoid double rounding and related problems when the FPU
> is set to 53-bit mode.
Fortunately, library functions aren't required to have any particular
error bounds. It's always nice if they are correct to within 0.6ulp
instead of 0.8ulp or suchlike -- but nobody should be proving code
correctness based on assumed properties of library transcendental
functions. People should, and do, prove code correct based on the
assumption that double precision arithmetic behaves like double precision
arithmetic, however (myself included).
Colin Percival
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Cc:
Subject: cvs commit: src/share/man/man4 fwohci.4
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brueffer 2008-03-06 07:19:50 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
share/man/man4 fwohci.4
Log:
MFC: rev. 1.17
The Sony i.LINK (CXD1947) is _not_ supported.
Revision Changes Path
1.16.2.1 +1 -3 src/share/man/man4/fwohci.4
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Subject: cvs commit: src/share/man/man4 fwohci.4
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FreeBSD src repository
Modified files: (Branch: RELENG_6)
share/man/man4 fwohci.4
Log:
MFC: rev. 1.17
The Sony i.LINK (CXD1947) is _not_ supported.
Revision Changes Path
1.14.2.2 +1 -3 src/share/man/man4/fwohci.4
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Cc: Peter Jeremy <peterjeremy@optushome.com.au>, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>, cvs-all@FreeBSD.ORG, cvs-src@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, Mar 05, 2008, Colin Percival wrote:
> David Schultz wrote:
> > On Wed, Mar 05, 2008, Colin Percival wrote:
> >> Setting the i387 FPU to 53-bit precision gives standards-compliant
> >> behaviour whether people are using "double" or "long double".
> >
> > Not quite.
>
> How is it not standards-compliant?
First, because there are other issues, like constant folding and
dynamic precision and rounding, that gcc doesn't get right.
Second, because of the issues I mentioned with library functions,
and because of ill-defined meanings of constants such as
LDBL_MANT_DIG, etc.
> >> Yes and no. Double rounding isn't allowed;
> >
> > Yes, it is.
>
> No, it isn't. The following code
[...]
> should never output "BUGGY MATH", since x + y should round up to
> 1 + 2^(-52); but if you set the i387 to use extended precision, it
> gets the wrong answer.
True, but this is idealistic, and standards do not guarantee what
you want because it is too hard to do efficiently in practice.
Even the IEEE 754R draft basically says that double rounding is
allowed as long as the language makes it clear what is going on:
The last operation of many expressions is an assignment to an
explicit final destination variable. As a part of expression
evaluation rules, language standards shall specify when the next
to last operation is performed by rounding at most once to the
format of the explicit final destination, and when by rounding as
many as two times, first to an implicit intermediate format, and
then to the explicit final destination format.
See the description of C99's FLT_EVAL_METHOD macro, which is part
of C99's answer to the above.
If you asked Kahan, he'd probably tell you that both strict and
non-strict evaluation should be options. He was vehemently opposed
to the idea that Java have only a strict mode (similar to the one
you propose).
> >>> The downside is that this breaks long doubles.
> >> Except that it doesn't. Using 53-bit precision for long doubles is
> >> a perfectly valid and standards-compliant option.
> >
> > It's impossible to implement efficient library functions that
> > produce correct long double results
>
> You could have stopped this sentence here -- for all practical purposes,
> correctly rounded trigonometric functions are not feasible.
First, I said nothing about trigonometric anything, and second,
your claim here isn't true anyway. FreeBSD provides trig functions
that are correctly rounded most of the time (which is what most
people call "correctly rounded"). Both the IBM Accurate
Mathematical Library and Sun's crlibm provide trig functions that
are correctly rounded all of the time.
> > when the FPU is set to 64-bit
> > mode and avoid double rounding and related problems when the FPU
> > is set to 53-bit mode.
>
> Fortunately, library functions aren't required to have any particular
> error bounds. It's always nice if they are correct to within 0.6ulp
> instead of 0.8ulp or suchlike -- but nobody should be proving code
> correctness based on assumed properties of library transcendental
> functions. People should, and do, prove code correct based on the
> assumption that double precision arithmetic behaves like double precision
> arithmetic, however (myself included).
No, you misunderstand my point. I'm not talking about a 1-ulp
error, I'm talking about billions of ulps. In some long double
functions, we actually have to do things like the following to get
results that are even sane at all:
#ifdef __i386__
if (fpgetprec() != FP_PE)
return (double_precision_foo(x));
#endif
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 08:09:46 2008
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From: Rink Springer <rink@FreeBSD.org>
Date: Thu, 6 Mar 2008 08:09:45 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/share/man/man4 Makefile cmx.4 src/sys/conf NOTES
files src/sys/dev/cmx cmx.c cmx_pccard.c cmxreg.h cmxvar.h
src/sys/dev/pccard pccarddevs src/sys/modules Makefile
src/sys/modules/cmx Makefile
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rink 2008-03-06 08:09:45 UTC
FreeBSD src repository
Modified files:
share/man/man4 Makefile
sys/conf NOTES files
sys/dev/pccard pccarddevs
sys/modules Makefile
Added files:
share/man/man4 cmx.4
sys/dev/cmx cmx.c cmx_pccard.c cmxreg.h cmxvar.h
sys/modules/cmx Makefile
Log:
Commit cmx(4), a driver for Omnikey CardMan 4040 PCMCIA smartcard readers.
PR: kern/114582
Submitted by: Daniel Roethlisberger <daniel@roe.ch>
Reviewed by: imp, myself
Tested by: johans, myself
MFC after: 2 weeks
Revision Changes Path
1.412 +1 -0 src/share/man/man4/Makefile
1.1 +95 -0 src/share/man/man4/cmx.4 (new)
1.1474 +2 -0 src/sys/conf/NOTES
1.1278 +2 -0 src/sys/conf/files
1.1 +701 -0 src/sys/dev/cmx/cmx.c (new)
1.1 +115 -0 src/sys/dev/cmx/cmx_pccard.c (new)
1.1 +66 -0 src/sys/dev/cmx/cmxreg.h (new)
1.1 +99 -0 src/sys/dev/cmx/cmxvar.h (new)
1.131 +4 -0 src/sys/dev/pccard/pccarddevs
1.558 +4 -0 src/sys/modules/Makefile
1.1 +12 -0 src/sys/modules/cmx/Makefile (new)
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Date: Thu, 6 Mar 2008 11:43:54 +0300
From: Yar Tikhiy <yar@comp.chem.msu.su>
To: Craig Rodrigues <rodrigc@crodrigues.org>
Message-ID: <20080306084354.GA10064@dg.local>
References: <200803050825.m258Ppv2016738@repoman.freebsd.org>
<20080305122029.GA7027@dg.local>
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Cc: Craig Rodrigues <rodrigc@FreeBSD.org>, cvs-src@FreeBSD.org,
src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sbin/fsck_ffs main.c
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On Wed, Mar 05, 2008 at 10:24:02PM +0000, Craig Rodrigues wrote:
> On Wed, Mar 05, 2008 at 03:20:29PM +0300, Yar Tikhiy wrote:
> > Your analysis of the problem sounds not quite correct to me.
>
> You make some interesting points in your e-mail.
> I suggest that you summarize the points and
> post them to arch@ for further review and discussion.
>
> There is how nmount() should work in an ideal world,
> and then there is the existing implentation, which is
> not exactly clean and perfect. It is important as
> we clean up the nmount() code in the tree, that we
> keep things working without introducing too many hacks.
>
> The problem with the mount code in FreeBSD is that a fix that
> appears "correct" in one area, may break things somewhere else, because
> that area has hacks/workarounds/improper coding/whatever
> that "just happened to work". So while you may disagree with
> the aesthetics of some of the mount patches.....I have been trying
> to slowly migrate things over and clean things up in the various
> mount binaries and file systems and still try to keep things working
> the way they have before. I've not been perfect and have made some
> mistakes along the way, but I try to clean things up.
>
> My complaints with your mode of operation have been:
> - you started committing in an area in which you don't have
> a lot of track record in working in
> - you started breaking things in configurations you were
> unable/unwilling/no time to fix or investigate
> - you post long e-mails, or commit messages complaining about how
> you don't like how the mount code is structured or works, but your
> posts tend to look like rants
>
> I agree with a lot of what you have posted, but you need to
> be more constructive, and post your suggestions to arch@ to get
> proper review and discussion going.
>
> I know you mean well, but you need to slow down and direct your
> focus more constructively....otherwise it looks like you are
> ranting and doing drive-by commits.
>
> Unfortunately, the mount code is core functionality, that when it
> doesn't work properly, people complain *A LOT*, so treading carefully
> is key.
I'd appreciate if you respond to my technical criticism in equally
_technical_ terms and refrain from diverting the discussion onto
the moralization road.
--
Yar
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Subject: cvs commit: src/share/man/man4 cmx.4
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FreeBSD src repository
Modified files:
share/man/man4 cmx.4
Log:
Added missing BSD license text to the cmx.4 manpage.
Noticed by: brueffer
Revision Changes Path
1.2 +25 -0 src/share/man/man4/cmx.4
From owner-cvs-src@FreeBSD.ORG Thu Mar 6 09:20:59 2008
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Date: Thu, 6 Mar 2008 10:20:45 +0100
From: Roman Divacky <rdivacky@FreeBSD.org>
To: Jung-uk Kim <jkim@FreeBSD.org>
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Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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On Thu, Mar 06, 2008 at 12:22:17AM +0000, Jung-uk Kim wrote:
> jkim 2008-03-06 00:22:17 UTC
>
> FreeBSD src repository
>
> Modified files:
> usr.sbin/moused moused.c
> Log:
> Prefer clock_gettime(2) over gettimeofday(2) and use CLOCK_MONOTONIC_FAST.
> It is only used to track elapsed time and it does not have to be precise.
what is the rationale behind this? what is the expected improvement? I am
not questioning the change I am just curious..
thnx
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Cc: Max Laier <max@love2party.net>, src-committers@freebsd.org,
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Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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On Thu, Mar 6, 2008 at 5:43 AM, Jung-uk Kim <jkim@freebsd.org> wrote:
> On Wednesday 05 March 2008 09:31 pm, Max Laier wrote:
> > Am Do, 6.03.2008, 03:14, schrieb Jung-uk Kim:
> > > jkim 2008-03-06 02:14:45 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files:
> > > usr.sbin/moused moused.c
> > > Log:
> > > Cast time_t to long to mute tinderbox build failure.
> >
> > doesn't this defeat the purpose of having time_t in the first
> > place? I'd rather cast to intmax_t and print with %j ... though
> > it probably doesn't matter.
>
> Now the timestamp is uptime and the breakage was just debugging
> output, it shouldn't really matter at all but I will do that soon.
Yes it matters because it has to do with everyday coding practice. It
is one of small yet important advances in C99 that we can now printf
non-basic integral types _portably_[1] and _reliably_ through %j[du]
and a cast to [u]intmax_t.
[1] Well, almost portably as we need to guess the signedness of the type.
--
Yar
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Date: Thu, 6 Mar 2008 20:54:07 +1100
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Roman Divacky <rdivacky@freebsd.org>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org,
Jung-uk Kim <jkim@freebsd.org>
Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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On Thu, Mar 06, 2008 at 10:20:45AM +0100, Roman Divacky wrote:
>On Thu, Mar 06, 2008 at 12:22:17AM +0000, Jung-uk Kim wrote:
>> Prefer clock_gettime(2) over gettimeofday(2) and use CLOCK_MONOTONIC_F=
AST.
>> It is only used to track elapsed time and it does not have to be preci=
se.
>
>what is the rationale behind this? what is the expected improvement? I am
>not questioning the change I am just curious..
There's been a recent extensive thread about poor X11 performance and
it turns out the the Xserver can issue multiple gettimeofday(2) calls
every time it sees a mouse movement. gettimeofday(2) on FreeBSD is
relatively expensive (the Project chose accuracy over speed) and
clock_gettime(2) using CLOCK_MONOTONIC_FAST is a much cheaper
alternative when accuracy isn't critical.
The Xserver should be using clock_gettime(2) but there's a bug in its
POSIX-compatibility selection. Applying a similar fix to moused is a
logical extension.
--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Thu, 6 Mar 2008 10:10:44 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/ddb db_input.c
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rwatson 2008-03-06 10:10:44 UTC
FreeBSD src repository
Modified files:
sys/ddb db_input.c
Log:
When redrawing an input line, count backspaces to get to the beginning of
the input field from the current cursor location, rather than the end of
the input line, as the cursor may not be at the end of the line.
Otherwise, we may overshoot, overwriting a bit of the previous line and
failing to fully overwrite the current line.
MFC after: 3 days
PR: 119079
Submitted by: Michael Plass <mfp49_freebsd@plass-family.net>
Revision Changes Path
1.38 +1 -1 src/sys/ddb/db_input.c
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Cc: cvs-src@freebsd.org, Roman Divacky <rdivacky@freebsd.org>,
src-committers@freebsd.org, cvs-all@freebsd.org,
Jung-uk Kim <jkim@freebsd.org>
Subject: Re: cvs commit: src/usr.sbin/moused moused.c
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On Thu, 6 Mar 2008, Peter Jeremy wrote:
> On Thu, Mar 06, 2008 at 10:20:45AM +0100, Roman Divacky wrote:
>> On Thu, Mar 06, 2008 at 12:22:17AM +0000, Jung-uk Kim wrote:
>>> Prefer clock_gettime(2) over gettimeofday(2) and use CLOCK_MONOTONIC_FAST.
>>> It is only used to track elapsed time and it does not have to be
>>> precise.
>>
>> what is the rationale behind this? what is the expected improvement? I am
>> not questioning the change I am just curious..
>
> There's been a recent extensive thread about poor X11 performance and it
> turns out the the Xserver can issue multiple gettimeofday(2) calls every
> time it sees a mouse movement. gettimeofday(2) on FreeBSD is relatively
> expensive (the Project chose accuracy over speed) and clock_gettime(2) using
> CLOCK_MONOTONIC_FAST is a much cheaper alternative when accuracy isn't
> critical.
>
> The Xserver should be using clock_gettime(2) but there's a bug in its
> POSIX-compatibility selection. Applying a similar fix to moused is a
> logical extension.
Many applications also assume that gettimeofday(2) returns a monotonically,
and possibly consistently, increasing value. Sometimes this is fine (log
timestamps) and other times this is not (time deltas used to calculate mouse
acceleration, etc).
Robert N M Watson
Computer Laboratory
University of Cambridge
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Date: Thu, 6 Mar 2008 14:01:10 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/etc/defaults rc.conf
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mtm 2008-03-06 14:01:10 UTC
FreeBSD src repository
Modified files:
etc/defaults rc.conf
Log:
The rarpd(8) daemon must be instructed to start on all interfaces or a
specific one. Instruct it to listen on all interfaces so that enabling
it in rc.conf(5) works "out of the box."
PR: conf/121406
Submited by: trasz
MFC after: 1 week
Revision Changes Path
1.328 +1 -1 src/etc/defaults/rc.conf
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Subject: cvs commit: src/usr.sbin/adduser adduser.8 adduser.sh
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mtm 2008-03-06 14:10:56 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.sbin/adduser adduser.8 adduser.sh
Log:
MFC: rev. 1.32
Add the -M command-line option, which will set home directory
permissions. Works both in interactive or batch mode. This is
a heavily modified version of the patch submitted in the PR.
PR: bin/105060
Revision Changes Path
1.59.2.2 +5 -1 src/usr.sbin/adduser/adduser.8
1.30.2.2 +40 -1 src/usr.sbin/adduser/adduser.sh
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Subject: cvs commit: src/usr.sbin/adduser adduser.8 adduser.sh
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mtm 2008-03-06 14:13:11 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
usr.sbin/adduser adduser.8 adduser.sh
Log:
MFC: rev. 1.32
Add the -M command-line option, which will set home directory
permissions. Works both in interactive or batch mode. This is
a heavily modified version of the patch submitted in the PR.
PR: bin/105060
Revision Changes Path
1.55.8.3 +5 -1 src/usr.sbin/adduser/adduser.8
1.26.2.5 +40 -1 src/usr.sbin/adduser/adduser.sh
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Subject: cvs commit: src/etc/rc.d mountcritlocal mountlate
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mtm 2008-03-06 14:39:33 UTC
FreeBSD src repository
Modified files:
etc/rc.d mountcritlocal mountlate
Log:
The check for errors from the mount command did not work as intended
because another command (echo) is executed between the mount command
and the check.
Reported by: Sergey Baturov <sergey@toor.org.ru>
MFC after: 2 weeks
Revision Changes Path
1.16 +4 -1 src/etc/rc.d/mountcritlocal
1.3 +4 -1 src/etc/rc.d/mountlate
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Date: Thu, 6 Mar 2008 15:02:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/usr.bin/uniq uniq.c
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ghelmer 2008-03-06 15:02:05 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.bin/uniq uniq.c
Log:
MFH: 1.30
Fix truncation of lines at LINE_MAX characters by dynamically
extending line buffers.
PR: bin/76578
Revision Changes Path
1.29.2.1 +61 -15 src/usr.bin/uniq/uniq.c
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Date: Thu, 6 Mar 2008 15:07:37 +0000 (UTC)
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Subject: cvs commit: src/usr.bin/uniq uniq.c
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ghelmer 2008-03-06 15:07:37 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
usr.bin/uniq uniq.c
Log:
MFC: 1.30
Fix truncation of lines at LINE_MAX characters by dynamically
extending line buffers.
PR: bin/76578
Revision Changes Path
1.26.2.1 +61 -15 src/usr.bin/uniq/uniq.c
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Date: Thu, 6 Mar 2008 15:14:36 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/lib/libc/stdlib getenv.c
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scf 2008-03-06 15:14:36 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libc/stdlib getenv.c
Log:
MFC:
Replace the use of warnx() with direct output to stderr using _write().
This reduces the size of a statically-linked binary by approximately 100KB
in a trivial "return (0)" test application. readelf -S was used to verify
that the .text section was reduced and that using strlen() saved a few
more bytes over using sizeof(). Since the section of code is only called
when environ is corrupt (program bug), I went with fewer bytes over fewer
cycles.
I made minor edits to the submitted patch to make the output resemble
warnx().
src/lib/libc/stdlib/getenv.c: rev 1.12 -> 1.13
Submitted by: kib bz
Approved by: wes (mentor)
Revision Changes Path
1.12.2.1 +36 -12 src/lib/libc/stdlib/getenv.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Thu, 6 Mar 2008 16:59:37 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/powerpc/include pcpu.h
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marcel 2008-03-06 16:59:37 UTC
FreeBSD src repository
Modified files:
sys/powerpc/include pcpu.h
Log:
Add a catch-all for PCPU_MD_FIELDS. While we expect this to be
used in the kernel only (by virtue of checking for _KERNEL),
ports like lsof (part of gtop) cheat. It sets _KERNEL, but does
not set either AIM or E500. As such, PCPU_MD_FIELDS didn't get
defined and the build broke.
The catch-all is to define PCPU_MD_FIELDS with a dummy integer
when at the end of line we ended up without a definition for it.
Revision Changes Path
1.26 +7 -0 src/sys/powerpc/include/pcpu.h
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Thu, 6 Mar 2008 17:24:28 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/sys pcpu.h
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marcel 2008-03-06 17:24:28 UTC
FreeBSD src repository
Modified files:
sys/sys pcpu.h
Log:
Move the PCPU_MD_FIELDS last in struct pcpu. While this header is
private to the kernel, some ports define _KERNEL and include this
header. While arguably this is wrong, it's also reality. By having
the MD fields last, architectures that have CPU-specific variations
of PCPU_MD_FIELDS will at least have the MI fields at a constant
offset. Of course, having all MI fields first helps kernel debugging
as well, so this is not a change without some benefits to us.
This change does not result in an ABI breakage, because this header
is not part of the ABI. Recompilation of lsof is required though :-)
Revision Changes Path
1.26 +11 -1 src/sys/sys/pcpu.h
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From: Andrew Thompson <thompsa@FreeBSD.org>
Date: Thu, 6 Mar 2008 19:02:37 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/net if_gif.c
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thompsa 2008-03-06 19:02:37 UTC
FreeBSD src repository
Modified files:
sys/net if_gif.c
Log:
Improve EtherIP interaction with the bridge
- Set M_BCAST|M_MCAST for incoming frames
- Send the frame to a local interface if the bridge returns the mbuf
Submitted by: Eugene Grosbein
Tested by: Boris Kochergin
Revision Changes Path
1.68 +30 -2 src/sys/net/if_gif.c
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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Thu, 6 Mar 2008 20:11:25 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_cpuset.c
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jeff 2008-03-06 20:11:25 UTC
FreeBSD src repository
Modified files:
sys/kern kern_cpuset.c
Log:
- Add a missing unlock to cpuset_setaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_PID)
Found by: gallatin
Revision Changes Path
1.4 +1 -0 src/sys/kern/kern_cpuset.c
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From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 6 Mar 2008 21:42:49 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/bge if_bge.c if_bgereg.h src/sys/dev/mii
brgphy.c miidevs
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jhb 2008-03-06 21:42:48 UTC
FreeBSD src repository
Modified files:
sys/dev/bge if_bge.c if_bgereg.h
sys/dev/mii brgphy.c miidevs
Log:
Flesh out support for the BCM5722 by recognizing the phy on the 5722 and
the specific ASIC revision.
MFC after: 1 week
Obtained from: OpenBSD (mii/phy bits)
Revision Changes Path
1.203 +1 -0 src/sys/dev/bge/if_bge.c
1.76 +1 -0 src/sys/dev/bge/if_bgereg.h
1.73 +2 -1 src/sys/dev/mii/brgphy.c
1.51 +1 -0 src/sys/dev/mii/miidevs
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From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 6 Mar 2008 21:43:56 +0000 (UTC)
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Subject: cvs commit: src/sys/boot/i386/pxeldr pxeldr.S
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jhb 2008-03-06 21:43:56 UTC
FreeBSD src repository
Modified files:
sys/boot/i386/pxeldr pxeldr.S
Log:
In the PROBE_KEYBOARD case, always enable multiple consoles and set the
serial console as the primary console if the keyboard probe fails.
MFC after: 1 week
Revision Changes Path
1.16 +4 -2 src/sys/boot/i386/pxeldr/pxeldr.S
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From: John Baldwin <jhb@FreeBSD.org>
Date: Thu, 6 Mar 2008 21:48:34 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/bge if_bgereg.h
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jhb 2008-03-06 21:48:34 UTC
FreeBSD src repository
Modified files:
sys/dev/bge if_bgereg.h
Log:
Style tweak to the 5722 chipid to match the rest of this file.
Revision Changes Path
1.77 +1 -1 src/sys/dev/bge/if_bgereg.h
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From: Paolo Pisati <piso@FreeBSD.org>
Date: Thu, 6 Mar 2008 21:50:41 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/netinet/libalias alias.c alias_db.c
alias_ftp.c alias_irc.c alias_local.h alias_proxy.c alias_smedia.c
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piso 2008-03-06 21:50:41 UTC
FreeBSD src repository
Modified files:
sys/netinet/libalias alias.c alias_db.c alias_ftp.c
alias_irc.c alias_local.h alias_proxy.c
alias_smedia.c
Log:
MFP4:
restrict the utilization of direct pointers to the content of
ip packet. These modifications are functionally nop()s thus
can be merged with no side effects.
Revision Changes Path
1.59 +29 -30 src/sys/netinet/libalias/alias.c
1.72 +11 -23 src/sys/netinet/libalias/alias_db.c
1.30 +4 -2 src/sys/netinet/libalias/alias_ftp.c
1.24 +4 -2 src/sys/netinet/libalias/alias_irc.c
1.35 +7 -5 src/sys/netinet/libalias/alias_local.h
1.32 +8 -13 src/sys/netinet/libalias/alias_proxy.c
1.18 +4 -2 src/sys/netinet/libalias/alias_smedia.c
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From: Olivier Houchard <cognet@FreeBSD.org>
Date: Thu, 6 Mar 2008 21:59:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/arm/arm pmap.c src/sys/arm/include pmap.h
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cognet 2008-03-06 21:59:47 UTC
FreeBSD src repository
Modified files:
sys/arm/arm pmap.c
sys/arm/include pmap.h
Log:
Remove unused pv_list_count from the vm_page, and pm_count from the struct
pmap.
Submitted by: Mark Tinguely
Revision Changes Path
1.99 +0 -4 src/sys/arm/arm/pmap.c
1.29 +0 -2 src/sys/arm/include/pmap.h
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Date: Thu, 6 Mar 2008 22:27:35 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/arm/arm uio_machdep.c
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cognet 2008-03-06 22:27:35 UTC
FreeBSD src repository
Modified files:
sys/arm/arm uio_machdep.c
Log:
MFi386:
revision 1.6
date: 2004/08/21 18:50:34; author: alc; state: Exp; lines: +3 -1
Properly free the temporary sf_buf in uiomove_fromphys() if a copyin or
copyout fails.
Obtained from: DragonFlyBSD
Spotted out by: Mark Tinguely
MFC After: 3 days
Revision Changes Path
1.6 +3 -1 src/sys/arm/arm/uio_machdep.c
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From: "Christian S.J. Peron" <csjp@FreeBSD.org>
Date: Thu, 6 Mar 2008 22:57:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/security/audit audit_syscalls.c
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csjp 2008-03-06 22:57:03 UTC
FreeBSD src repository
Modified files:
sys/security/audit audit_syscalls.c
Log:
Change auditon(2) so that if somebody supplies an invalid command, it
returns EINVAL. Right now we return 0 or success for invalid commands,
which could be quite problematic in certain conditions.
MFC after: 1 week
Discussed with: rwatson
Revision Changes Path
1.25 +3 -0 src/sys/security/audit/audit_syscalls.c
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Cc: Peter Jeremy <peterjeremy@optushome.com.au>, src-committers@freebsd.org,
Bruce Evans <bde@freebsd.org>, cvs-all@freebsd.org, cvs-src@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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Eek, my mailbox filled up overnight. Trying to reply to only some details
in LIFO order...
On Wed, 5 Mar 2008, Colin Percival wrote:
> David Schultz wrote:
>> On Wed, Mar 05, 2008, Colin Percival wrote:
>>> Setting the i387 FPU to 53-bit precision gives standards-compliant
>>> behaviour whether people are using "double" or "long double".
>>
>> Not quite.
>
> How is it not standards-compliant?
>
>>> Yes and no. Double rounding isn't allowed;
>>
>> Yes, it is.
>
> No, it isn't. The following code
Yes it is :-). Extra precision for intermediate values implies double
rounding for the final results, and extra precision for intermediate
values is a fundamental part of C (it used to be only that float
expressions were (de-facto standard required to be) evaluated in double
precision, but now it affects double expressions too, and C99 has vast
complications to support i387'-ish extra precision.
> double x, y, z;
>
> x = 1.0;
> y = 0x1.0p-53 + 0x1.0p-75;
> z = x + y;
> z = z - 1.0;
> if (z == 0.0)
> printf("BUGGY MATH\n");
> else
> printf("IEEE754-COMPLIANT MATH\n");
>
> should never output "BUGGY MATH", since x + y should round up to
> 1 + 2^(-52); but if you set the i387 to use extended precision, it
> gets the wrong answer.
In C, with FLT_EVAL_METHOD = 2 (evaluate all FP expressions in the range
and precision of the long double type) and long doubles actually longer
than doubles, this always gives double rounding:
x + y is evaluated (and presumably rounded) in long double
precision
z = x + y rounds to double precision
(but with gcc-i386, it doesn't round)
(-O0 happens to work to fix this)
(the -ffloat-store hack happens to work to fix this)
z is now 1.0 except with gcc-i386 -O -fno-float-store
when it is 1.0L + 0x1.0p-53L.
z - 1.0 is evaluated in long double precision
z = z - 1.0 rounds to double precision (except with gcc-i386...)
z is now 0.0,
except with gcc-i386 -O -fno-float-store it is 0x1.0p-53L
if (z == 0.0)
fails to detect the bug for gcc-i386 -O -fno-float-store
since z is still long double and nonzero
Another advantage of using double_t is that you can control when the
double rounding occurs and not have to understand so many sub-cases
from the compiler bugs. The result is then always 0x1.0p-53L (if
double_t is long double, etc.), and if you want a double result then
you can round as the last step. The result is then 0x1.0p-53. You
don't get the double precision result of 0x1.0p-52, but you get a more
accurate result. Extra precision is of course intended to deliver a
more accurate result in this way.
This assumes 64-bit precision. With 113-bit precision for long doubles,
all intermediate values and the result would be exact; the result would
be y. It seems to be impossible to choose y to demonstrate the problem
for 113-bit long doubles. We see a similar phenomenon for floats vs
doubles -- since the extra precision provided by doubles is actually
(more than) double, double rounding never (?) occurs. Extended
precision should have had more than 64 bits. I think it is mainly the
result of Intel's transistor budget being limited 30 years ago.
>>>> The downside is that this breaks long doubles.
>>> Except that it doesn't. Using 53-bit precision for long doubles is
>>> a perfectly valid and standards-compliant option.
>>
>> It's impossible to implement efficient library functions that
>> produce correct long double results
>
> You could have stopped this sentence here -- for all practical purposes,
> correctly rounded trigonometric functions are not feasible.
Nah, it's quite feasible, especially for transcendental functions since
transcendental numbers in general can be approximated more closely by
rationals than algebraic numbers. The evaluation just needs to be
done in extra precision, and at least for trig functions, "in general"
happens in practice so relatively few cases require significant extra
precision. With extra precision in hardware, all except the relatively
few cases can even be implemented efficiently.
>> when the FPU is set to 64-bit
>> mode and avoid double rounding and related problems when the FPU
>> is set to 53-bit mode.
>
> Fortunately, library functions aren't required to have any particular
> error bounds. It's always nice if they are correct to within 0.6ulp
> instead of 0.8ulp or suchlike -- but nobody should be proving code
> correctness based on assumed properties of library transcendental
> functions. People should, and do, prove code correct based on the
> assumption that double precision arithmetic behaves like double precision
> arithmetic, however (myself included).
We require error bounds of < 1 ulp and aim for < 0.5[0]1 ulps. Error
bounds are required for everything. E.g., libm uses expm1() to implement
hyperbolic functions and needs good error bounds for expm1() and a
nontrivial error analysis to justify using it (since the error can blow
up and would blow up if exp(x)-1 were used instead of expm1(x)), yet it
still has an error of > 1 ulp since expm1() and other things aren't
accurate enough.
Bruce
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Cc: src-committers@freebsd.org, Peter Jeremy <peterjeremy@optushome.com.au>,
cvs-all@freebsd.org, Bruce Evans <bde@freebsd.org>,
Colin Percival <cperciva@freebsd.org>, cvs-src@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, 6 Mar 2008, David Schultz wrote:
> On Thu, Mar 06, 2008, Peter Jeremy wrote:
>> On Wed, Mar 05, 2008 at 10:32:46PM -0500, David Schultz wrote:
>>> gcc doesn't get any of this right. FreeBSD/i386 fixes the problem
>>> for /doubles/ by setting the i387 to use 53-bit precision.
>> Note that FreeBSD/amd64 does not do this when running i386 binaries
>> so you can get discrepancies between running the same program natively
>> vs running it in compatibility mode.
On my list of things to fix.
> Good point. I don't think i386 ever got fixed to do the
> appropriate mode change for Linux binaries, either, BTW.
Actually, someone named das fixed this on 2005/02/06 in rev.1.136 of
i386/linux/linux_sysvec.c, but the fix is buggy -- it accesses the
i387 directly and thus causes npxdna() traps which should cause panics
since direct access to the i387 is not permitted (it should use
npxinit(), which was originally for the corresponding initialization
in setregs() but is no longer used there since the normal initialization
is now virtual).
Bruce
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From: Xin LI <delphij@FreeBSD.org>
Date: Fri, 7 Mar 2008 00:01:19 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/usr.bin/chat chat.c
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delphij 2008-03-07 00:01:19 UTC
FreeBSD src repository
Modified files:
usr.bin/chat chat.c
Log:
Merge revisions 1.10 and 1.11 from DragonFly:
- Use real getopt() handling instead of the hand-rolled and
IOCCC-worthy "Micro getopt()" macros, plus clean up to the
option handling code:
* Sort the options in the switch statement;
* Plug piddling memory leaks when processing repeated options
by freeing strings before allocating them for a second time;
* Die with a fatal error if the requested report file cannot
be opened for appending;
* Don't call init() before usage() (to prevent the usage
message being mangled by changes to the terminal settings;)
- Clean up the usage message, both in usage() and in the main
program comment, both stylistically (sort and combine options)
and for accuracy (following the manual page, make note of the -s
and -S flags, and use the term 'send' instead of 'say' to reduce
confusion (SAY is the name of a command for output to the user,
not the connection.))
Obtained from: DragonFly
Revision Changes Path
1.22 +61 -68 src/usr.bin/chat/chat.c
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Cc:
Subject: cvs commit: src/usr.sbin/moused moused.c
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jkim 2008-03-07 00:01:24 UTC
FreeBSD src repository
Modified files:
usr.sbin/moused moused.c
Log:
Use intmax_t instead of long when casting time_t.
Suggested by: mlaier
Tested with: make universe
Revision Changes Path
1.83 +4 -3 src/usr.sbin/moused/moused.c
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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Bruce Evans wrote:
> On Wed, 5 Mar 2008, Colin Percival wrote:
>> David Schultz wrote:
>>> On Wed, Mar 05, 2008, Colin Percival wrote:
>>>> Yes and no. Double rounding isn't allowed;
>>>
>>> Yes, it is.
>>
>> No, it isn't. The following code
>
> Yes it is :-). Extra precision for intermediate values implies double
> rounding for the final results, and extra precision for intermediate
> values is a fundamental part of C (it used to be only that float
> expressions were (de-facto standard required to be) evaluated in double
> precision, but now it affects double expressions too, and C99 has vast
> complications to support i387'-ish extra precision.
Let me clarify: Double rounding isn't allowed by IEEE754. To quote from
the October 5th draft of IEEE 754R (which I happen to have in front of me
right now):
5.1 Overview
All conforming implementations of this standard shall provide the operations
listed in this clause for all supported floating-point formats available for
arithmetic. Each of the computational operations that return a numeric result
specified by this standard shall be performed as if it first produced an
intermediate result correct to infinite precision and with unbounded range,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
and then rounded that intermediate result to fit in the destination’s format
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This is clarified further in clause 10:
10.1 Expression evaluation rules
Clause 5 of this standard specifies the result of a single arithmetic
operation going to an explicit destination. Every operation has an explicit
or implicit destination. One rounding occurs to fit the exact result into a
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
destination format. That result is reproducible in that the same operation
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
applied to the same operands under the same attributes produces the same
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
result on all conforming implementations in all languages.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Programming language standards might define syntax for expressions that
combine one or more operations of this standard, producing a result to fit an
explicit or implicit final destination. When a variable with a declared format
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
is a final destination, as in format conversion to a variable, that declared
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
format of that variable governs its rounding. The format of an implicit
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
destination, or of an explicit destination without a declared format, is
defined by language standard expression evaluation rules.
In other words, in the code
double x, y, z;
z = x * y + 1.0;
it is perfectly legal for (x * y) to be computed with extra precision; but in
the code
double x, y, z;
z = x * y;
z = z - 1.0;
both the multiplication and the subtraction must be rounded *once* to double
precision.
> In C, with FLT_EVAL_METHOD = 2 (evaluate all FP expressions in the range
> and precision of the long double type) [...]
As someone wrote earlier, the authors of C99 were a bit confused. I can only
assume that they intended to be IEEE754-compliant and the rules concerning
FLT_EVAL_METHOD apply to *implicit* destinations only.
>>> It's impossible to implement efficient library functions that
>>> produce correct long double results
>>
>> You could have stopped this sentence here -- for all practical purposes,
>> correctly rounded trigonometric functions are not feasible.
>
> Nah, it's quite feasible, especially for transcendental functions since
> transcendental numbers in general can be approximated more closely by
> rationals than algebraic numbers.
In fact, one of the common ways to prove that a real number is transcendental
is to show that it can be approximated more closely by rationals than any
algebraic function can be.
> The evaluation just needs to be
> done in extra precision
How much extra precision do you need? If the exact value of a transcendental
function is extremely close to halfway between two consecutive floating-point
values, how do you decide which way to round it?
Computing transcendental functions to within (0.5+x)ulp for small positive
values of x is certainly feasible, but computing provably correctly rounded
transcendental functions is very very hard.
>> Fortunately, library functions aren't required to have any particular
>> error bounds.
>
> We require error bounds of < 1 ulp and aim for < 0.5[0]1 ulps.
What standard states that those bounds are required (or can be relied upon
when proving that code is correct)? Intel FPUs over the years have been
variously documented to compute transcendental functions to within 1.0, 2.5,
or 3.5 ulp -- are you saying that the 8087 doesn't comply with the standard
which it inspired?
Colin Percival
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Cc: cvs-src@freebsd.org, Mike Silbersack <silby@silby.com>,
src-committers@freebsd.org, Bruce Evans <bde@freebsd.org>,
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, Colin Percival wrote:
> Mike Silbersack wrote:
>> On Wed, 5 Mar 2008, Bruce Evans wrote:
>>> Change float_t and double_t to long double on i386. All floating point
>>
>> 1) Does this really change every double to a long double in anything
>> compiled?
>
> No, it changes double_t (which is not the same as double).
>
>> 2) How does this affect ABI compatibility?
>
> This breaks ABI compatibility (when people use float_t or double_t).
Only if float_t or double_t is actually used in an ABI. Such use is
dubious since these types are like the int_fastN_t types they are the
most efficient types that are at least as wide as float, double and
intN_t, respectively. They aren't very suitable for anything except
intermediate values in registers. I know of one useful use for them
in ABIs: to work around the following bug in the C standard (C99 at
least): a function returning double is permitted to return extra
precision, and this is sometimes useful, but C perversely requires
extra precision to be lost on return iff the function is implemented
using double_t so as to ensure that extra precision is not lost internally.
E.g.:
double xp1(double x) { return x + 1.0; }
This is permitted to evaluate x + 1.0 in extra precision and then is
required (?) (at least permitted) to return the extra precision.
double xp1(double x) { double_t tmp1 = x, tmp2 = 1.0; return tmp1 + tmp2; }
If double_t has more precision than double, then
(1) this evaluates x + 1.0 in extra precision. double_t is only used to
emphasize this. In a more practical example. There would be many more
temporary intermediate variables and we should use double_t for them
all to prevent loss of precision on assignment.
(2) This is required to lose the extra precision on return.
To avoid the loss of precision on return, the simplest method is to
change the ABI to return double_t instead of double. Since we really
want to return the extra precision, this is not wrong. However, it
may be prevented by API and ABI considerations. Note that on i386,
all functions that are declared to return float or double actually
return a long double, so declaring them as actually returning a long
double is only an API change, but it will significantly affect the
callers due to this alone (callers will actually know that they are
getting a long double and may generate extra code to either discard
or keep the extra precision which may or may not be present).
Why did no one complain when I fixed float_t on amd64 and some other
non-i386 arches? :-) This changed the ABI as a side effect.
>> 3) How does this change the operation of various programs in the ports
>> tree that use floating point, such as mplayer, mpg123, etc. Will this
>> cause different behavior when these apps are used on FreeBSD vs other
>> operating systems?
>
> Most code in the ports tree will be using double instead of double_t, and
> will consequently not be affected. Code which uses double_t will be slower
> due to the increased cost of loads and stores, and may produce different
> output if it changes the i387 precision flags.
I hope nothing actually uses float_t or double_t. They are esoteric
and are still too broken in FreeBSD to trust. I'm changing them mainly
because I want to be able to trust them for use in libm, without using
extensive ifdefs which would amount to replacing them by non-broken
versions for libm's internal use only.
> At the moment, FreeBSD behaves the same way as Microsoft Windows and C99,
> and differently from Linux: Linux sets the i387 by default to extended
> precision,
Does Windows and its compilers still default to non-extended precision and
thus less than null support for long doubles? 20 years ago, this seemed
to be normal for DOS compilers (though I never tested it on a Microsoft
one), and I was happy to keep it in 386BSD in 1992 and FreeBSD later.
In 386BSD, it was apparently inherited from ibcs2. Anyway, gcc didn't
really support long doubles until 1993 or 1994. IIRC, Linux started in
1991 with the default of extended precision, and I was responsible for
getting this changed to non-extended precision. Then when gcc started
supporting long doubles, Linux changed the default back to extended
precision, as is necessary but not sufficient for long doubles to work.
Microsoft would have been more constrained by backwards compatibilty
but should have changed by now. Maybe it is a compiler option
(default = old in Windows?).
> which has the result of decreasing the average rounding error
> while increasing the maximum rounding error (due to double rounding when
> values which were internally rounded to extended precision are rounded
> to double precision later) and sometimes breaking code entirely (when
> the properties of floating-point rounding are used deliberately, e.g.,
> to rapidly round a floating-point value to the nearest integer).
I've only found double rounding to be a minor problem. It gives an
error of at most 0.5 ulps, which isn't usually a problem. Breakage
of the properties of floating point is mostly due to compiler bugs
(assignments and casts don't work). However, fixing assignment requires
large pessimizations. They used to be not so large, but now gcc's
optimizer is reasonably good they are very large. So I now think that
it is a bug in the C standard to require assignments and casts to
discard extra precision. This should be implementation-defined, with
some other standard method for discarding extra precision.
One of the first things I need a non-broken float_t for is rapid rounding
to the nearest [fraction of] an integer, without doing extra work to
discard extra precision. E.g.: to round a non-huge float to the nearest
integer, the fastest method is often:
float f, result;
result = f + 0x1.8pN - 0x1.8pN;
where N is:
FLT_MANT_DIG - 1 if float_t is float
DBL_MANT_DIG - 1 if float_t is double
LDBL_MANT_DIG - 1 if float_t is long double
This is painful to configure if float_t is unknown or wrong. (It is still
moderately painful with float_t only a type since it is hard to ifdef on
a type. I would like to be able to write the N as FLT_T_MANT_DIG-1 and not
have to use magic to build a literal out of it.)
This depends on float_t being either float, or on float FLT_MANT_DIG being
much smaller than FLT_T_MANT_DIG, else double rounding may be a problem.
This method is already used, with double instead of float, for arg reduction
in trig functions. There double rounding can occur but isn't a problem.
It currently has N hard-coded as DBL_MANT_DIG-1. This assumes that
double_t is never really long double (it still works when with my change
to declare double_t as long double on i386, since long double isn't really
long double -- N = DBL_MANT_DIG-1 still works, but N = LDBL_MANT_DIG-1
wouldn't work).
> I've answered queries from some mathematicians and scientists who were
> confused as to why they were seeing higher rounding errors on FreeBSD and
> Windows than they were on Linux; but when I've explained the behavioural
> differences to numerical analysts, the universal reaction I've received
> has been "dear god, Linux does WHAT?" -- oddly enough, mathematicians like
> to think that proving that their code is correct will be enough to ensure
> that it will produce correct output.
Most code isn't proved to be correct. It's impossible for numeric
code written and proved by non-numerical-analysts and impractical for
large code written by anyone. Extended precision is supposed to reduce
the risks from this, and it seems to help in most cases. Unfortunately,
extended precision isn't implemented in SSE, so even Linux on i386's
now doesn't have it when the i386's are in amd64 mode, so extended
precision no longer occurs automatically, and using it (by using
long doubles explicitly) costs more than ever since it lives in a
different register set.
Bruce
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org,
Bruce Evans <bde@freebsd.org>, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, Mike Silbersack wrote:
> On Wed, 5 Mar 2008, Bruce Evans wrote:
>> Change float_t and double_t to long double on i386. All floating point
>
> For those of us who are not floating point experts, can you explain a few
> things?
Other points replied to separately.
> As I've said in the past, I'd really, really, really like to see regression
> tests for any change to the floating point functions. The types of changes
> you've been making are not easy to verify just by looking at diffs.
I run local regression tests of 4 billon to 64 billion cases per
function or 1.3 trillion cases for 125 functions a 36-hour run on a
2.2HGz UP system. These are not well organized enough for commit.
You will have to trust that they are done before commit (or after on
some other machines) :-). I mostly use semi-exhaustive (exhaustive
for 1-arg float precision functions) checks on machine-generated args.
This seems to find problems more routinely than smarter tests, up to
at least double precision. das@ committed some smarter tests.
OTOH, I barely tested the changes to float_t and double_t. These types
are so rarely used that they are never used in /usr/src, at least in
my old src tree, except for my uncommitted changes in libm parts.
Bruce
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Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>, cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, Mar 06, 2008, Colin Percival wrote:
> explicit or implicit final destination. When a variable with a declared format
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> is a final destination, as in format conversion to a variable, that declared
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> format of that variable governs its rounding. The format of an implicit
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> destination, or of an explicit destination without a declared format, is
> defined by language standard expression evaluation rules.
I think you missed the point about implicit destinations. See the
part I quoted in the last email I sent you. The point is that in
an expression like 'z = x * y', there are two operations:
register <-- x * y
z <-- register
The register is an implicit destination. IEEE 754R explains this
in more detail. All that is guaranteed in this case is that the
wider register value is never substituted for z in subsequent
operations. (This is part of what gcc gets wrong.)
> > In C, with FLT_EVAL_METHOD = 2 (evaluate all FP expressions in the range
> > and precision of the long double type) [...]
>
> As someone wrote earlier, the authors of C99 were a bit confused. I can only
> assume that they intended to be IEEE754-compliant and the rules concerning
> FLT_EVAL_METHOD apply to *implicit* destinations only.
No, they got that part right. They got some of the stuff with
function arguments and return values wrong in some pretty special
and bizarre ways. Part of this is trying to cope with existing
calling conventions, and part of it is just mistakes.
> > We require error bounds of < 1 ulp and aim for < 0.5[0]1 ulps.
>
> What standard states that those bounds are required (or can be relied upon
> when proving that code is correct)? Intel FPUs over the years have been
> variously documented to compute transcendental functions to within 1.0, 2.5,
> or 3.5 ulp -- are you saying that the 8087 doesn't comply with the standard
> which it inspired?
There's no standard requirements, but a max error < 0.50x ulps
implies correct rounding nearly all of the time, and that's what
libm attempts to provide. This is about the best you can do
without resorting to multiprecision arithmetic in the hard cases,
so it seems like a good tradeoff between accuracy and ease of
implementation. When substantially faster and slightly less
accurate MD implementations are available, that changes the
tradeoff.
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Subject: Re: cvs commit: src/sys/i386/include _types.h
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David Schultz wrote:
> On Thu, Mar 06, 2008, Colin Percival wrote:
>> explicit or implicit final destination. When a variable with a declared format
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> is a final destination, as in format conversion to a variable, that declared
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> format of that variable governs its rounding. The format of an implicit
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> destination, or of an explicit destination without a declared format, is
>> defined by language standard expression evaluation rules.
>
> I think you missed the point about implicit destinations.
No. Another quote:
2.2.14 destination: The location for the result of an operation upon one or
more operands. A destination might be either explicitly designated by the user
or implicitly supplied by the system (for example, intermediate results in
subexpressions or arguments for procedures). [...]
Implicit destinations are things like the (x * y) in "x * y - 1.0" or in
"sqrt(x * y)".
> The register is an implicit destination. IEEE 754R explains this
> in more detail.
Really? I can't find any such statements... quite the contrary.
> All that is guaranteed in this case is that the
> wider register value is never substituted for z in subsequent
> operations. (This is part of what gcc gets wrong.)
If IEEE754R intended that "z = x + y" with x, y, and z all doubles did not
guarantee reproducible results across compliant platforms, why does it say
exactly the opposite?
>> What standard states that those bounds are required (or can be relied upon
>> when proving that code is correct)? [...]
>
> There's no standard requirements, but a max error < 0.50x ulps
> implies correct rounding nearly all of the time, and that's what
> libm attempts to provide. This is about the best you can do
> without resorting to multiprecision arithmetic in the hard cases,
> so it seems like a good tradeoff between accuracy and ease of
> implementation. When substantially faster and slightly less
> accurate MD implementations are available, that changes the
> tradeoff.
Sure. As I said before, more accurate transcendental functions are always
nice to have, but they are not *required* by any standard. Correctly-rounded
arithmetic operations *are* required.
Colin Percival
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Cc: src-committers@freebsd.org, Peter Jeremy <peterjeremy@optushome.com.au>,
cvs-all@freebsd.org, Bruce Evans <bde@freebsd.org>,
Colin Percival <cperciva@freebsd.org>, cvs-src@freebsd.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, David Schultz wrote:
> On Wed, Mar 05, 2008, Colin Percival wrote:
>> Bruce Evans wrote:
>>> Modified files:
>>> sys/i386/include _types.h
>>> Log:
>>> Change float_t and double_t to long double on i386.
>>
>> Doesn't this have a rather severe performance impact on any code which
>> uses double_t?
>
> Yes, if the code is compiled with -msse2. Otherwise, doubles get
> fed to the i387 anyway.
Not even then. Doubles get fed to the i387 anyway in many cases (in
most cases I think). One exception is double to int conversion --
this uses SSE2 so as to avoid a slow mode switch (cvtsd2si always
rounds towards 0, while the default i386 mode rounds to nearest;
otherwise it would be the SSE code that is slower). Adds of doubles
normally go through the i387 (I've never seen an exception to this).
> Technically Bruce's change isn't wrong without changing the
> default precision, it's just rather pointless.
It isn't pointless, since the default is only the default. Changing
it using fpsetprec() has been supported in FreeBSD since 1993, and
before that it required 2 lines of asm. My change gives double_t
a chance of working right when the default is changed at runtime.
While such changes are not really supported, there is no need to
force them to be broken.
> (Why tell programs
> to store variables in a wider format if you're just going to
> evaluate them in a narrower format anyway?)
After fpsetprec(FP_PE):
(1) the evaluation is not in a narrower format.
(2) I use double_t when I hope that the variable will stay in a register
and not cost a store
(3) when I store to a double, it is obviously narrower on i386, and the
compiler is tricked into doing the store correctly without using
something like STRICT_ASSIGN(). STRICT_ASSIGN() uses a volatile
hack which makes it potentially slower than an ordinary assignment,
and currently doesn't support this mode.
Irrespective of fpsetprec(FP_PE):
(1)' - (3)' for float_t vs float precision. float_t just needs to be
double for this. Using long double costs little and is technically
half required even with the default precision, since the range is
almost that of a long double. (The different range affects at least
overflow exceptions.)
(3)'' I can write code that is more portable and don't need to pessimize
all uses of STRICT_ALIGN() on doubles by supporting full long double
precision everywhere. Code that supports extra precision (either
by a runtime switch or a change in the default) can use double_t and
code that doesn't care or doesn't understand the complications can
keep using plain double.
> So I guess I agree
> that if we're going to go down this path, we ought to just bite
> the bullet and change npx.h and contrib/gcc/config/i386/freebsd.h
> to use 64-bit precision by default on i386.
I hope to do that in a non-revolutionary way.
Bruce
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From: David Schultz <das@FreeBSD.ORG>
To: Colin Percival <cperciva@FreeBSD.ORG>
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Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG,
Bruce Evans <bde@FreeBSD.ORG>, cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, Mar 06, 2008, Colin Percival wrote:
> David Schultz wrote:
> > On Thu, Mar 06, 2008, Colin Percival wrote:
> >> explicit or implicit final destination. When a variable with a declared format
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> is a final destination, as in format conversion to a variable, that declared
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> format of that variable governs its rounding. The format of an implicit
> >> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >> destination, or of an explicit destination without a declared format, is
> >> defined by language standard expression evaluation rules.
> >
> > I think you missed the point about implicit destinations.
>
> No. Another quote:
> 2.2.14 destination: The location for the result of an operation upon one or
> more operands. A destination might be either explicitly designated by the user
> or implicitly supplied by the system (for example, intermediate results in
> subexpressions or arguments for procedures). [...]
>
> Implicit destinations are things like the (x * y) in "x * y - 1.0" or in
> "sqrt(x * y)".
>
> > The register is an implicit destination. IEEE 754R explains this
> > in more detail.
>
> Really? I can't find any such statements... quite the contrary.
When reading the above quotation, you need to keep in mind that in
their terminology, 'z = x + y' is an expression and 'x + y' is a
subexpression. What you're claiming doesn't even make sense. With
your rules, the 'x * y' in 'k = x * y - 1.0' could be evaluated
with extra precision, the '- 1.0' would be forced to machine
precision, and you'd still have double rounding on the multiply.
This really *isn't* what they meant.
Look, please have a careful look at section 10.2. This is a really
busy week for me, and I don't have the inclination to continue
this discussion if you keep sniping.
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 04:26:40 2008
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Cc: cvs-src@freebsd.org, cvs-all@freebsd.org, src-committers@freebsd.org,
Bruce Evans <bde@freebsd.org>, Bruce Evans <brde@optusnet.com.au>
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Wed, 5 Mar 2008, Colin Percival wrote:
> Bruce Evans wrote:
>> On Wed, 5 Mar 2008, Colin Percival wrote:
>>> Bruce Evans wrote:
>>>> Change float_t and double_t to long double on i386.
>>>
>>> Doesn't this have a rather severe performance impact on any code which
>>> uses double_t?
>>
>> No. As mentioned in the commit message, this has no performance effect
>> except in cases where it avoids compiler bugs. [...] if you use long double
>> for memory variables then you get a severe performance impact and some
>> space loss for the load instruction, since loading long doubles is
>> much slower than loading doubles (about 4 times slower on Athlons).
>
> Either I'm misunderstanding something, or you seem to be disagreeing with
> yourself here... if I have the following code
>
> double_t foo, bar, foobar;
> foobar = foo + bar;
>
> then prior to this change the processor loads and stores doubles, while
> after this change the processor loads and stores long doubles, with the
> associated performance penalty.
Low quality code might do that :-).
Hmm, I thought that these types were intended to be used to avoid loss
of precision in intermediate values, and thus should only be used in
code that wants the extra precision at a possible cost in efficiency,
but C99 (n869.txt draft) doesn't say exactly this, and a footnote
(which is not part of the standard) says that they are trhe most
efficient types that are wider than the basic types. It specifies
them fully if FLT_EVAL_METHOD is 0, 1 or 2, but weird machines like
i386 with 53-bit default precision plus compiler bugs must define
FLT_EVAL_METHOD as -1. Then these types are implementation-defined
and are not specifically required to be wider than the evaluation
method types. I think they should be specifically required to be the
most efficient types wider than the evaluation method types.
Back to performance penalties... It is extremely unclear what are the
most efficient types. Your example is too simple for there to be any
stores if double_t is long double:
> double_t foo, bar, foobar;
> foobar = foo + bar;
o Efficiency of double_t for foo and bar depends on where they came from.
If they are long doubles in memory initially here, then loading them is
slow. If they are in registers initially here, then there is no load
to worry about and their type doesn't matter from now on, but their
type may have affected previous loads and stores like subsequent use of
foobar will (see below).
o foo + bar is evaluated in registers (except i386 also allows adds from
a value in memory to a value in a register if the memory type is not
long double). It essentially has type long double, perhaps rounded to
53-bit or 24-bit precision.
o Assignment to foobar requires a conversion from long double to double_t.
If double_t is long double, then this conversion is null and foobar
normally stays in the register. Otherwise, the conversion is not null,
but it won't be done here since all the variables have type double_t
and the compiler doesn't really know the type of result of the addition
(it thinks that double + double gives double). A C compiler would know
that the result is long double and always do the conversion if double_t
is only double.
o Here is an example of why a conversion is necessary on i386 unless all
types are long double:
double x = DBL_MAX, y = DBL_MAX, z;
z = DBL_MAX + DBL_MAX; // should be +Inf/FE_OVERFLOW but is 2.0L*DBL_MAX
z = z - DBL_MAX; // should be +Inf/FE_OVERFLOW but is 1.0L*DBL_MAX
The extra range of a long double gives this. 53-bit precision doesn't
affect it, and a conversion on assignment is still strictly needed to
give the correct results for the intermediate and final z.
z = DBL_MAX + DBL_MAX - DBL_MAX;
Now both DBL_MAX and +Inf/FE_OVERFLOW are correct results, depending on
where double expressions are evaluated with extra range.
o Now we have a double_t foobar, reloaded into a register if that is useful,
and can probably use it as either a double or a long double at no
extra cost, but if double_t is double and the compiler is a C compiler,
then converting foobar to a double always cost a lot and usually
wasted its extra range if not its extra precision. We should probably
have used double_t throughout to avoid this...
o .. however, if we use double_t too much, then it will be used for memory
variables and the loads and stores for these will cost more than
conversions to double and reloads.
o However2, someday when 64-bit precision is supported, using double_t will
be especially important for memory variables, to prevent unintended loss
of precision.
Bruce
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To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/msk if_msk.c
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yongari 2008-03-07 04:55:58 UTC
FreeBSD src repository
Modified files:
sys/dev/msk if_msk.c
Log:
To overcome hardware checksum offload bug msk(4) used to compute
TCP/UDP checksum in driver for short frames. For frames that requires
hardware VLAN tag insertion, the checksum offload trick does not
work due to changes of checksum offset in mbuf after the VLAN tag.
Disable hardware checksum offload for VLAN interface to fix the bug.
Reported by: Christopher Cowart < ccowart AT rescomp DOT berkeley DOT edu >
Tested by: Christopher Cowart < ccowart AT rescomp DOT berkeley DOT edu >
MFC after: 5 days
Revision Changes Path
1.30 +6 -2 src/sys/dev/msk/if_msk.c
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org,
Bruce Evans <bde@FreeBSD.org>, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/include _types.h
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On Thu, 6 Mar 2008, Colin Percival wrote:
> Bruce Evans wrote:
>> On Wed, 5 Mar 2008, Colin Percival wrote:
>>> You could have stopped this sentence here -- for all practical purposes,
>>> correctly rounded trigonometric functions are not feasible.
>>
>> Nah, it's quite feasible, especially for transcendental functions since
>> transcendental numbers in general can be approximated more closely by
>> rationals than algebraic numbers.
>
> In fact, one of the common ways to prove that a real number is transcendental
> is to show that it can be approximated more closely by rationals than any
> algebraic function can be.
I've only studied a few pages related to this.
>> The evaluation just needs to be
>> done in extra precision
>
> How much extra precision do you need? If the exact value of a transcendental
> function is extremely close to halfway between two consecutive floating-point
> values, how do you decide which way to round it?
Probably not much more than the same number of extra bits as there are in
the original precision. Values of trig functions mod 2^N are apparently
sort of uniformly distributed. Thus each extra bit of precision gives
correct rounding for about half of the remaining cases and N extra bits
gives correct rounding for about 2^N cases, which is all cases if there
were only 2^N cases to start with. This works out in practice for float
precision -- with about 24 bits of extra precision, all except about 10
cases are perfectly rounded, and it is easy to evaluate those cases in
extra precision to see that only a few more bits are needed.
If the exact value is very close to half-way then you may need many
more bits but would be unlucky to need many more. AFAIK (not far),
no one knows exactly how many bits are needed for the worst case for
even double precision. The domain is just too large to search (almost
2^64 bits). However, the large size of the domain means that very-near-
half-way cases are very unlikely to occur in practice, so calling a
slow multi-precision library to handle such cases would be a good way
to handle them and sending mail about them would be a not so good way.
But detecting such cases is too costly to do routinely, at least without
hardware support.
> Computing transcendental functions to within (0.5+x)ulp for small positive
> values of x is certainly feasible, but computing provably correctly rounded
> transcendental functions is very very hard.
I think it is only very hard globally and for general functions.
Elementary transcendental functions like exp() have rational coefficients
and well-known properties which make them easier to bound.
>>> Fortunately, library functions aren't required to have any particular
>>> error bounds.
>>
>> We require error bounds of < 1 ulp and aim for < 0.5[0]1 ulps.
>
> What standard states that those bounds are required (or can be relied upon
> when proving that code is correct)?
Just the principle of least error.
> Intel FPUs over the years have been
> variously documented to compute transcendental functions to within 1.0, 2.5,
> or 3.5 ulp -- are you saying that the 8087 doesn't comply with the standard
> which it inspired?
I didn't say that before, but in fact the ix87 has always had multi-gulp
errors where its docs indicate errors of < 1 ulp, mainly for trig
functions. Its trig functions can't possibly have errors of < 1 ulp,
since its approximation to pi has only 66-68 bits, but an approximation
with thousands of bits is needed (see libm). Multi-gulp errors occur
as early as for x near pi/2 in 64-bit precision, since subtracting a
64-bit x near pi/2 from a 66 or 68 bit approx to pi/2 gives about 2
or 4 bits of accuracy or about 62 or 60 bits of error. 2^60 is about
1 exa-ulp (10^9 gulps). The errors are much larger for larger x, and
give multi-gulp errors even for float precision for not very large x.
Backwards compatibility has apparently resulted in these errors being
perfectly preserved in all implementations of the ix87.
Other ix87 errors are relatively minor AFAIK. E.g., exp(x) is not
implemented directly in hardware. It requires several imprecise
calculations like x*log2(e), so the hardware is good enough for double
precision but not for long double precision where I guess it has an
error of a few ulps. It has to switch the mode to long double precision
to be good enough for double precision. log(x) is implemented more
directly in hardware and I guess it has an error of about 1 ulp in long
double precision.
Bruce
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Subject: cvs commit: src/sys/dev/ata ata-chipset.c ata-pci.h
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FreeBSD src repository
Modified files:
sys/dev/ata ata-chipset.c ata-pci.h
Log:
Add proper support for the SATA/AHCI part of IXP[67]00
Revision Changes Path
1.212 +22 -12 src/sys/dev/ata/ata-chipset.c
1.83 +6 -0 src/sys/dev/ata/ata-pci.h
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From: Shteryana Shopova <syrinx@FreeBSD.org>
Date: Fri, 7 Mar 2008 09:33:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: BEGEMOT
Cc:
Subject: cvs commit: src/contrib/bsnmp - Imported sources
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syrinx 2008-03-07 09:33:29 UTC
FreeBSD src repository
src/contrib/bsnmp - Imported sources
Update of /home/ncvs/src/contrib/bsnmp
In directory repoman.freebsd.org:/tmp/cvs-serv20735
Log Message:
Vendor patch: Prevent bsnmpd from dumping core when a module's init hook
returns an error.
Approved by: bz (mentor), harti
Status:
Vendor Tag: BEGEMOT
Release Tags: syrinx_20080307_bugfix
U src/contrib/bsnmp/Makefile.in
U src/contrib/bsnmp/NEWS
U src/contrib/bsnmp/README
U src/contrib/bsnmp/TODO
U src/contrib/bsnmp/VERSION
U src/contrib/bsnmp/acinclude.m4
U src/contrib/bsnmp/aclocal.m4
U src/contrib/bsnmp/configure
U src/contrib/bsnmp/configure.ac
U src/contrib/bsnmp/oid-list
U src/contrib/bsnmp/config/Makefile.build
U src/contrib/bsnmp/config/Makefile.post
U src/contrib/bsnmp/config/Makefile.pre
U src/contrib/bsnmp/config/config.guess
U src/contrib/bsnmp/config/config.sub
U src/contrib/bsnmp/config/install.sh
U src/contrib/bsnmp/config/ltmain.sh
U src/contrib/bsnmp/config/mkinstalldirs
U src/contrib/bsnmp/gensnmpdef/Makefile.in
U src/contrib/bsnmp/gensnmpdef/gensnmpdef.1
U src/contrib/bsnmp/gensnmpdef/gensnmpdef.c
U src/contrib/bsnmp/gensnmptree/Makefile.in
U src/contrib/bsnmp/gensnmptree/gensnmptree.1
U src/contrib/bsnmp/gensnmptree/gensnmptree.c
U src/contrib/bsnmp/lib/Makefile.in
U src/contrib/bsnmp/lib/asn1.3
U src/contrib/bsnmp/lib/asn1.c
U src/contrib/bsnmp/lib/asn1.h
U src/contrib/bsnmp/lib/bsnmpagent.3
U src/contrib/bsnmp/lib/bsnmpclient.3
U src/contrib/bsnmp/lib/bsnmplib.3
U src/contrib/bsnmp/lib/snmp.c
U src/contrib/bsnmp/lib/snmp.h
U src/contrib/bsnmp/lib/snmpagent.c
U src/contrib/bsnmp/lib/snmpagent.h
U src/contrib/bsnmp/lib/snmpclient.c
U src/contrib/bsnmp/lib/snmpclient.h
U src/contrib/bsnmp/lib/snmppriv.h
U src/contrib/bsnmp/lib/support.c
U src/contrib/bsnmp/lib/support.h
U src/contrib/bsnmp/snmp_mibII/BEGEMOT-IP-MIB.txt
U src/contrib/bsnmp/snmp_mibII/BEGEMOT-MIB2-MIB.txt
U src/contrib/bsnmp/snmp_mibII/mibII.c
U src/contrib/bsnmp/snmp_mibII/mibII.h
U src/contrib/bsnmp/snmp_mibII/mibII_begemot.c
U src/contrib/bsnmp/snmp_mibII/mibII_ifmib.c
U src/contrib/bsnmp/snmp_mibII/mibII_ifstack.c
U src/contrib/bsnmp/snmp_mibII/mibII_interfaces.c
U src/contrib/bsnmp/snmp_mibII/mibII_ip.c
U src/contrib/bsnmp/snmp_mibII/mibII_ipaddr.c
U src/contrib/bsnmp/snmp_mibII/mibII_nettomedia.c
U src/contrib/bsnmp/snmp_mibII/mibII_rcvaddr.c
U src/contrib/bsnmp/snmp_mibII/mibII_route.c
U src/contrib/bsnmp/snmp_mibII/mibII_tcp.c
U src/contrib/bsnmp/snmp_mibII/mibII_tree.def
U src/contrib/bsnmp/snmp_mibII/mibII_udp.c
U src/contrib/bsnmp/snmp_mibII/snmp_mibII.3
U src/contrib/bsnmp/snmp_mibII/snmp_mibII.h
U src/contrib/bsnmp/snmp_ntp/BEGEMOT-NTP-MIB.txt
U src/contrib/bsnmp/snmp_ntp/Makefile.in
U src/contrib/bsnmp/snmp_ntp/NTP-MIB.txt
U src/contrib/bsnmp/snmp_ntp/NTP-PROXY-MIB.txt
U src/contrib/bsnmp/snmp_ntp/ntp_tree.def
U src/contrib/bsnmp/snmp_ntp/snmp_ntp.c
U src/contrib/bsnmp/snmpd/.gdbinit
U src/contrib/bsnmp/snmpd/BEGEMOT-MIB.txt
U src/contrib/bsnmp/snmpd/BEGEMOT-SNMPD.txt
U src/contrib/bsnmp/snmpd/FOKUS-MIB.txt
U src/contrib/bsnmp/snmpd/Makefile.in
U src/contrib/bsnmp/snmpd/action.c
U src/contrib/bsnmp/snmpd/bsnmpd.1
U src/contrib/bsnmp/snmpd/config.c
U src/contrib/bsnmp/snmpd/export.c
U src/contrib/bsnmp/snmpd/main.c
U src/contrib/bsnmp/snmpd/snmpd.config
U src/contrib/bsnmp/snmpd/snmpd.h
U src/contrib/bsnmp/snmpd/snmpd.sh
U src/contrib/bsnmp/snmpd/snmpmod.3
U src/contrib/bsnmp/snmpd/snmpmod.h
U src/contrib/bsnmp/snmpd/trans_lsock.c
U src/contrib/bsnmp/snmpd/trans_lsock.h
U src/contrib/bsnmp/snmpd/trans_udp.c
U src/contrib/bsnmp/snmpd/trans_udp.h
U src/contrib/bsnmp/snmpd/trap.c
U src/contrib/bsnmp/snmpd/tree.def
No conflicts created by this import
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 13:13:18 2008
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 13:13:18 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/ddb db_input.c
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rwatson 2008-03-07 13:13:18 UTC
FreeBSD src repository
Modified files:
sys/ddb db_input.c
Log:
Reserve two bytes at the end of the DDB input line in db_readline() to
hold the newline and nul terminator. Otherwise, there are cases where
garbage may end up in the command history due to a lack of a nul
terminator, or input may end up without room for a newline.
MFC after: 3 days
PR: 119079
Submitted by: Michael Plass <mfp49_freebsd@plass-family.net>
Revision Changes Path
1.39 +4 -1 src/sys/ddb/db_input.c
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 13:36:39 2008
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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 7 Mar 2008 13:36:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/agp agp_nvidia.c
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jhb 2008-03-07 13:36:39 UTC
FreeBSD src repository
Modified files:
sys/dev/agp agp_nvidia.c
Log:
Calculate the number of pages the GATT spans when reading from each page
to flush the TLB instead of hardcoding a size of 33 pages. Apertures of
32MB and 64MB only use a 16 page GATT and an aperture of 128MB only uses
a 32 page GATT, so without this the code could walk off the end of the
pointer and cause a page fault if the next page was unmapped. Also, for
aperture sizes > 128MB, not all of the pages would be read. The Linux
driver has the same bug.
MFC after: 1 week
Tested by: Frédéric PRACA frederic.praca of freebsd-fr.org
Revision Changes Path
1.14 +4 -3 src/sys/dev/agp/agp_nvidia.c
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 14:19:06 2008
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From: John Baldwin <jhb@freebsd.org>
To: Marcel Moolenaar <marcel@freebsd.org>
Date: Fri, 7 Mar 2008 08:01:30 -0500
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/sys pcpu.h
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On Thursday 06 March 2008 12:24:28 pm Marcel Moolenaar wrote:
> marcel 2008-03-06 17:24:28 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/sys pcpu.h
> Log:
> Move the PCPU_MD_FIELDS last in struct pcpu. While this header is
> private to the kernel, some ports define _KERNEL and include this
> header. While arguably this is wrong, it's also reality. By having
> the MD fields last, architectures that have CPU-specific variations
> of PCPU_MD_FIELDS will at least have the MI fields at a constant
> offset. Of course, having all MI fields first helps kernel debugging
> as well, so this is not a change without some benefits to us.
>
> This change does not result in an ABI breakage, because this header
> is not part of the ABI. Recompilation of lsof is required though :-)
It actually started out being the last "field" in the structure but some new
fields were incorrectly added after it rather than before it. It might
warrant a comment to prevent similar regressions in the future.
--
John Baldwin
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 14:26:31 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/ddb db_command.c
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rwatson 2008-03-07 14:26:31 UTC
FreeBSD src repository
Modified files:
sys/ddb db_command.c
Log:
When killing a user process from DDB, check that the requested signal is
> 0 rather than >= 0, or we will panic when trying to deliver the signal.
MFC after: 3 days
PR: 100802
Submitted by: Valerio Daelli <valerio.daelli at gmail.com>
Revision Changes Path
1.77 +1 -1 src/sys/ddb/db_command.c
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 14:58:01 2008
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From: Remko Lodder <remko@FreeBSD.org>
Date: Fri, 7 Mar 2008 14:58:01 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/dev/drm drm_pciids.h
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remko 2008-03-07 14:58:01 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/drm drm_pciids.h
Log:
MFC rev 1.8 drm_pciids.h
Add support for the 965GM.
PR: kern/120978
Submitted by: Dominic Fandrey <kamikaze at bsdforen dot de>
Approved by: imp (mentor, implicit), anholt (drm maintainer)
MFC after: 3 days
Approved by: imp (mentor, implicit)
Revision Changes Path
1.7.2.1 +1 -0 src/sys/dev/drm/drm_pciids.h
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Cc:
Subject: cvs commit: src/sys/dev/drm drm_pciids.h
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remko 2008-03-07 14:58:50 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/drm drm_pciids.h
Log:
MFC rev 1.8 drm_pciids.h
Add support for the 965GM.
PR: kern/120978
Submitted by: Dominic Fandrey <kamikaze at bsdforen dot de>
Approved by: imp (mentor, implicit), anholt (drm maintainer)
MFC after: 3 days
Approved by: imp (mentor, implicit)
Revision Changes Path
1.2.2.5 +1 -0 src/sys/dev/drm/drm_pciids.h
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Date: Fri, 7 Mar 2008 15:01:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/lib/libfetch common.c fetch.3 ftp.c http.c
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remko 2008-03-07 15:01:53 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libfetch common.c fetch.3 ftp.c http.c
Log:
MFC libfetch from HEAD to RELENG_7
Approved by: imp (mentor, implicit), DES
Glanced at by: des
Revision Changes Path
1.50.10.2 +1 -1 src/lib/libfetch/common.c
1.63.2.2 +1 -1 src/lib/libfetch/fetch.3
1.96.2.3 +4 -4 src/lib/libfetch/ftp.c
1.78.2.2 +4 -3 src/lib/libfetch/http.c
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From: Remko Lodder <remko@FreeBSD.org>
Date: Fri, 7 Mar 2008 15:23:32 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/usb usbdevs uscanner.c
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remko 2008-03-07 15:23:32 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/usb usbdevs uscanner.c
Log:
MFC rev 1.340 usbdevs
MFC rev 1.90 uscanner.c
Add support for the EPSON CX5400 scanner
PR: usb/120980
Submitted by: Christophe Etcheverry <cetcheve at gmail dot com>
MFC after: 3 days
Approved by: imp (mentor, implicit for trivial changes)
Approved by: imp (mentor, implicit)
Revision Changes Path
1.232.2.26 +1 -0 src/sys/dev/usb/usbdevs
1.63.2.8 +1 -0 src/sys/dev/usb/uscanner.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 15:25:56 +0000 (UTC)
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Cc:
Subject: cvs commit: src/lib/libc/posix1e mac.c mac_exec.c mac_get.c
mac_set.c
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rwatson 2008-03-07 15:25:56 UTC
FreeBSD src repository
Modified files:
lib/libc/posix1e mac.c mac_exec.c mac_get.c mac_set.c
Log:
Add __FBSDID() tags.
MFC after: 3 days
Revision Changes Path
1.13 +3 -2 src/lib/libc/posix1e/mac.c
1.3 +3 -2 src/lib/libc/posix1e/mac_exec.c
1.6 +3 -2 src/lib/libc/posix1e/mac_get.c
1.4 +3 -2 src/lib/libc/posix1e/mac_set.c
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Date: Fri, 7 Mar 2008 15:26:41 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/dev/usb usbdevs uscanner.c
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remko 2008-03-07 15:26:41 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/usb usbdevs uscanner.c
Log:
MFC rev 1.340 usbdevs
MFC rev 1.90 uscanner.c
Add support for the EPSON CX5400 scanner
PR: usb/120980
Submitted by: Christophe Etcheverry <cetcheve at gmail dot com>
MFC after: 3 days
Approved by: imp (mentor, implicit for trivial changes)
Approved by: imp (mentor, implicit)
Revision Changes Path
1.328.2.4 +1 -0 src/sys/dev/usb/usbdevs
1.89.2.1 +1 -0 src/sys/dev/usb/uscanner.c
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Date: Fri, 7 Mar 2008 15:27:08 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/kern kern_priv.c
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rwatson 2008-03-07 15:27:08 UTC
FreeBSD src repository
Modified files:
sys/kern kern_priv.c
Log:
Add __FBSDID() tag.
MFC after: 3 days
Pointed out by: antoine
Revision Changes Path
1.5 +3 -2 src/sys/kern/kern_priv.c
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Date: Fri, 7 Mar 2008 15:54:41 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/dev/usb umass.c usbdevs
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remko 2008-03-07 15:54:41 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/usb umass.c usbdevs
Log:
MFC rev 1.162 umass.c
MFC rev 1.338 usbdevs
Add support for the VIA USB2IDE bridge [1].
PR: usb/95173
Submitted by: Goegele Hannes <diazepam@gmx.net>
Ben Kelly <bkelly at vadev dot org>
Tested by: blackend
Approved by: imp (mentor, blanket for simple patches)
X-MFC-After: 1 week
Approved by: imp (mentor, implicit)
Revision Changes Path
1.160.2.1 +19 -0 src/sys/dev/usb/umass.c
1.328.2.5 +3 -0 src/sys/dev/usb/usbdevs
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Cc: cvs-src@freebsd.org, Marcel Moolenaar <marcel@freebsd.org>,
src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/sys pcpu.h
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On Mar 7, 2008, at 5:01 AM, John Baldwin wrote:
> On Thursday 06 March 2008 12:24:28 pm Marcel Moolenaar wrote:
>> marcel 2008-03-06 17:24:28 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/sys pcpu.h
>> Log:
>> Move the PCPU_MD_FIELDS last in struct pcpu. While this header is
>> private to the kernel, some ports define _KERNEL and include this
>> header. While arguably this is wrong, it's also reality. By having
>> the MD fields last, architectures that have CPU-specific variations
>> of PCPU_MD_FIELDS will at least have the MI fields at a constant
>> offset. Of course, having all MI fields first helps kernel
>> debugging
>> as well, so this is not a change without some benefits to us.
>>
>> This change does not result in an ABI breakage, because this header
>> is not part of the ABI. Recompilation of lsof is required though :-)
>
> It actually started out being the last "field" in the structure but
> some new
> fields were incorrectly added after it rather than before it. It
> might
> warrant a comment to prevent similar regressions in the future.
>
> --
> John Baldwin
--
Marcel Moolenaar
xcllnt@mac.com
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From: Marcel Moolenaar <xcllnt@mac.com>
To: Marcel Moolenaar <xcllnt@mac.com>
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Date: Fri, 7 Mar 2008 07:58:12 -0800
References: <200803061724.m26HOSPO026401@repoman.freebsd.org>
<200803070801.30460.jhb@freebsd.org>
<17C624F8-3233-49E6-8235-30F8B06C6513@mac.com>
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Cc: cvs-src@freebsd.org, Marcel Moolenaar <marcel@freebsd.org>,
src-committers@freebsd.org, cvs-all@freebsd.org,
John Baldwin <jhb@freebsd.org>
Subject: Re: cvs commit: src/sys/sys pcpu.h
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On Mar 7, 2008, at 7:56 AM, Marcel Moolenaar wrote:
>> It actually started out being the last "field" in the structure but
>> some new
>> fields were incorrectly added after it rather than before it. It
>> might
>> warrant a comment to prevent similar regressions in the future.
>>
>
>
What I was about to say is that I agree about the comment and did add
one
as part of the change...
--
Marcel Moolenaar
xcllnt@mac.com
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From: Remko Lodder <remko@FreeBSD.org>
Date: Fri, 7 Mar 2008 16:00:28 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/dev/usb umass.c usbdevs
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remko 2008-03-07 16:00:28 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/dev/usb umass.c usbdevs
Log:
MFC rev 1.162 umass.c
MFC rev 1.338 usbdevs
Add support for the VIA USB2IDE bridge [1].
PR: usb/95173
Submitted by: Goegele Hannes <diazepam@gmx.net>
Ben Kelly <bkelly at vadev dot org>
Tested by: blackend
Approved by: imp (mentor, blanket for simple patches)
X-MFC-After: 1 week
Approved by: imp (mentor, implicit)
Revision Changes Path
1.122.2.13 +19 -0 src/sys/dev/usb/umass.c
1.232.2.27 +3 -0 src/sys/dev/usb/usbdevs
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 16:00:44 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/net if.c if_ethersubr.c
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rwatson 2008-03-07 16:00:44 UTC
FreeBSD src repository
Modified files:
sys/net if.c if_ethersubr.c
Log:
Move IFF_NEEDSGIANT warning from if_ethersubr.c to if.c so it is displayed
for all network interfaces, not just ethernet-like ones.
Upgrade it to a louder WARNING and be explicit that the flag is obsolete.
Support for IFF_NEEDSGIANT will be removed in a few months (see arch@ for
details) and will not appear in 8.0.
Upgrade if_watchdog to a WARNING.
Revision Changes Path
1.275 +5 -1 src/sys/net/if.c
1.241 +0 -2 src/sys/net/if_ethersubr.c
From owner-cvs-src@FreeBSD.ORG Fri Mar 7 16:29:42 2008
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Date: Fri, 07 Mar 2008 17:03:13 +0100
From: Remko Lodder <remko@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/dev/ata ata-chipset.c ata-pci.h
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Søren Schmidt wrote:
> sos 2008-03-07 09:29:20 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/dev/ata ata-chipset.c ata-pci.h
> Log:
> Add proper support for the SATA/AHCI part of IXP[67]00
>
> Revision Changes Path
> 1.212 +22 -12 src/sys/dev/ata/ata-chipset.c
> 1.83 +6 -0 src/sys/dev/ata/ata-pci.h
Thanks! I am using a similiar patch for my production system, which
works just fine on RELENG_7, please can you do the merge when possible?
cheers
Remko
--
/"\ Best regards, | remko@FreeBSD.org
\ / Remko Lodder | remko@EFnet
X http://www.evilcoder.org/ |
/ \ ASCII Ribbon Campaign | Against HTML Mail and News
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From: "Bruce A. Mah" <bmah@FreeBSD.org>
Date: Fri, 7 Mar 2008 16:32:43 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/release/doc/en_US.ISO8859-1/errata article.sgml
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bmah 2008-03-07 16:32:43 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
release/doc/en_US.ISO8859-1/errata article.sgml
Log:
New errata notes: SCTP needs INET6, kldxref(8) warnings on source
upgrade, device crypto problems on powerpc.
Revision Changes Path
1.73.4.3 +16 -0 src/release/doc/en_US.ISO8859-1/errata/article.sgml
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Date: Fri, 7 Mar 2008 16:42:16 +0000 (UTC)
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Subject: cvs commit: src/release/doc/en_US.ISO8859-1/errata article.sgml
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bmah 2008-03-07 16:42:16 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
release/doc/en_US.ISO8859-1/errata article.sgml
Log:
New errata note: sysinstall(8) X.org hazard.
Revision Changes Path
1.73.2.55 +10 -0 src/release/doc/en_US.ISO8859-1/errata/article.sgml
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From: Jason Evans <jasone@FreeBSD.org>
Date: Fri, 7 Mar 2008 16:54:04 +0000 (UTC)
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jasone 2008-03-07 16:54:04 UTC
FreeBSD src repository
Modified files:
lib/libc/stdlib malloc.c
Log:
Remove stale #include <machine/atomic.h>, which as needed by lazy
deallocation.
Revision Changes Path
1.167 +4 -4 src/lib/libc/stdlib/malloc.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Fri, 7 Mar 2008 16:55:24 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/usb if_axe.c
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marcel 2008-03-07 16:55:24 UTC
FreeBSD src repository
Modified files:
sys/dev/usb if_axe.c
Log:
Apply le*toh() or htole*() to the variables of which we use the address
as the buffer pointer in the call to axe_cmd(). This is needed to make
the code work on big-endian machines.
Ok'd: imp@
Revision Changes Path
1.57 +6 -1 src/sys/dev/usb/if_axe.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 17:02:34 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man9 bus_space.9
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rwatson 2008-03-07 17:02:34 UTC
FreeBSD src repository
Modified files:
share/man/man9 bus_space.9
Log:
Minor spelling/grammer fixes.
MFC after: 3 days
Revision Changes Path
1.5 +2 -2 src/share/man/man9/bus_space.9
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From: Alexander Motin <mav@FreeBSD.org>
Date: Fri, 7 Mar 2008 17:53:58 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/netgraph ng_nat.c ng_nat.h
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mav 2008-03-07 17:53:58 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netgraph ng_nat.c ng_nat.h
Log:
MFC: Add support for the libalias redirect functionality.
Submitted by: Vadim Goncharov <vadim_nuclight@mail.ru>
Revision Changes Path
1.10.2.1 +431 -1 src/sys/netgraph/ng_nat.c
1.2.2.1 +127 -0 src/sys/netgraph/ng_nat.h
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From: Alexander Motin <mav@FreeBSD.org>
Date: Fri, 7 Mar 2008 17:54:21 +0000 (UTC)
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Subject: cvs commit: src/share/man/man4 ng_nat.4
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mav 2008-03-07 17:54:21 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
share/man/man4 ng_nat.4
Log:
MFC: Add support for the libalias redirect functionality.
Submitted by: Vadim Goncharov <vadim_nuclight@mail.ru>
Revision Changes Path
1.3.2.1 +188 -2 src/share/man/man4/ng_nat.4
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From: Alexander Motin <mav@FreeBSD.org>
Date: Fri, 7 Mar 2008 17:58:49 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/netgraph ng_pppoe.c
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mav 2008-03-07 17:58:49 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netgraph ng_pppoe.c
Log:
MFC rev. 1.92-1.93
Make session ID generator to use session ID hash.
Make session ID generator thread-safe.
Use more compact LIST instead of TAILQ for session hash.
Add all listening hooks into LIST to simplify searches.
Use ng_findhook() instead of own equal implementation.
Revision Changes Path
1.84.2.5 +67 -100 src/sys/netgraph/ng_pppoe.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 18:09:07 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/ddb db_examine.c
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rwatson 2008-03-07 18:09:07 UTC
FreeBSD src repository
Modified files:
sys/ddb db_examine.c
Log:
Add a /S mode to DDB "ex" command, which interprets and prints the
value at the requested address as a symbol. For example, "ex /S
aio_swake" prints the name of the function currently registered in
via aio_swake hook.
The change as committed differs slightly from the patch in the PR,
as I force the size of the retrieved value (and the automatic
address increment) to be sizeof(void *). This seems to provide
the most useful auto-increment behavior, and defaults using the
default size (4), which is not sizeof(void *) on 64-bit platforms.
MFC after: 3 days
PR: 57976
Submitted by: Dan Strick <strick at covad.net>
Revision Changes Path
1.35 +6 -0 src/sys/ddb/db_examine.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Fri, 7 Mar 2008 18:14:30 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man4 ddb.4
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rwatson 2008-03-07 18:14:30 UTC
FreeBSD src repository
Modified files:
share/man/man4 ddb.4
Log:
Update ddb.4 to reflect addition of /S (symbol name) printing mode for
examine.
MFC after: 3 days
PR: 57976
Revision Changes Path
1.48 +2 -0 src/share/man/man4/ddb.4
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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 7 Mar 2008 20:19:24 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/i386/i386 identcpu.c initcpu.c
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jhb 2008-03-07 20:19:24 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/i386/i386 identcpu.c initcpu.c
Log:
MFC: VIA Padlock changes:
- Read the brand string from VIA/IDT CPUs.
- Add a VIA Padlock feature line in dmesg.
- Support the newer Via C7 core (0x6d0).
Revision Changes Path
1.180.2.1 +43 -23 src/sys/i386/i386/identcpu.c
1.56.2.1 +1 -0 src/sys/i386/i386/initcpu.c
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Date: Fri, 7 Mar 2008 20:19:33 +0000 (UTC)
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Cc:
Subject: cvs commit: src/sys/i386/i386 identcpu.c initcpu.c
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jhb 2008-03-07 20:19:33 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/i386/i386 identcpu.c initcpu.c
Log:
MFC: VIA Padlock changes:
- Read the brand string from VIA/IDT CPUs.
- Add a VIA Padlock feature line in dmesg.
- Support the newer Via C7 core (0x6d0).
Revision Changes Path
1.145.2.7 +41 -26 src/sys/i386/i386/identcpu.c
1.52.2.4 +1 -0 src/sys/i386/i386/initcpu.c
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Subject: Re: cvs commit: src/sys/sys pcpu.h
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On Friday 07 March 2008 10:58:12 am Marcel Moolenaar wrote:
>
> On Mar 7, 2008, at 7:56 AM, Marcel Moolenaar wrote:
>
> >> It actually started out being the last "field" in the structure but
> >> some new
> >> fields were incorrectly added after it rather than before it. It
> >> might
> >> warrant a comment to prevent similar regressions in the future.
> >>
> >
> >
>
>
> What I was about to say is that I agree about the comment and did add
> one
> as part of the change...
Oh, my bad then. :)
--
John Baldwin
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From: Alexander Motin <mav@FreeBSD.org>
Date: Fri, 7 Mar 2008 21:12:56 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/netgraph ng_ksocket.c
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mav 2008-03-07 21:12:56 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_ksocket.c
Log:
Send only one incoming notification at a time to reduce queue
trashing and improve performance.
Remove waitflag argument from ng_ksocket_incoming2(), it means nothing
as function call was queued by netgraph.
Remove node validity check, as node validity guarantied by netgraph.
Update comments.
Revision Changes Path
1.61 +26 -32 src/sys/netgraph/ng_ksocket.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Fri, 7 Mar 2008 22:08:43 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/powerpc/include intr_machdep.h openpicvar.h
src/sys/powerpc/mpc85xx ocpbus.c opic.c src/sys/powerpc/powermac
openpic_macio.c src/sys/powerpc/powerpc intr_machdep.c openpic.c
pic_if.m src/sys/powerpc/psim openpic_iobus.c
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marcel 2008-03-07 22:08:43 UTC
FreeBSD src repository
Modified files:
sys/powerpc/include intr_machdep.h openpicvar.h
sys/powerpc/mpc85xx ocpbus.c opic.c
sys/powerpc/powermac openpic_macio.c
sys/powerpc/powerpc intr_machdep.c openpic.c pic_if.m
sys/powerpc/psim openpic_iobus.c
Log:
Add support for the BUS_CONFIG_INTR() method to the platform and to
openpic(4). Make use of it in ocpbus(4). On the MPC85xxCDS, IRQ0:4
are active-low.
Revision Changes Path
1.11 +1 -0 src/sys/powerpc/include/intr_machdep.h
1.8 +1 -0 src/sys/powerpc/include/openpicvar.h
1.3 +16 -0 src/sys/powerpc/mpc85xx/ocpbus.c
1.3 +1 -0 src/sys/powerpc/mpc85xx/opic.c
1.12 +1 -0 src/sys/powerpc/powermac/openpic_macio.c
1.16 +88 -42 src/sys/powerpc/powerpc/intr_machdep.c
1.18 +20 -0 src/sys/powerpc/powerpc/openpic.c
1.6 +7 -0 src/sys/powerpc/powerpc/pic_if.m
1.9 +1 -0 src/sys/powerpc/psim/openpic_iobus.c
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Fri, 7 Mar 2008 22:27:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc:
Subject: cvs commit: src/sys/powerpc/aim locore.S machdep.c
src/sys/powerpc/include md_var.h src/sys/powerpc/powerpc cpu.c
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marcel 2008-03-07 22:27:06 UTC
FreeBSD src repository
Modified files:
sys/powerpc/aim locore.S machdep.c
sys/powerpc/include md_var.h
sys/powerpc/powerpc cpu.c
Log:
For AIM, have cpu_idle() set MSR_POW when the powerpc_pow_enabled
variable is set. On my Mac Mini this puts the CPU in NAP mode when
the kernel is idle and, any technical or environmental reasons
aside, avoids that I have to listen to the fan all day :-)
Revision Changes Path
1.25 +0 -3 src/sys/powerpc/aim/locore.S
1.110 +10 -2 src/sys/powerpc/aim/machdep.c
1.32 +2 -0 src/sys/powerpc/include/md_var.h
1.11 +4 -6 src/sys/powerpc/powerpc/cpu.c
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From: Jason Evans <jasone@FreeBSD.org>
Date: Fri, 7 Mar 2008 22:29:53 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/share/man/man3 Makefile
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jasone 2008-03-07 22:29:53 UTC
FreeBSD src repository
Modified files:
share/man/man3 Makefile
Log:
Install manpage links for RB_PREV and RB_FOREACH_REVERSE.
Revision Changes Path
1.46 +2 -0 src/share/man/man3/Makefile
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Date: Fri, 7 Mar 2008 22:34:17 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/share/man/man3 Makefile tree.3 src/sys/sys tree.h
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jasone 2008-03-07 22:34:17 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
share/man/man3 tree.3 Makefile
sys/sys tree.h
Log:
MFC: Implement the RB_FOREACH_REVERSE() and RB_PREV() macros. RB_PREV is
needed by malloc(3).
Revision Changes Path
1.45.2.1 +2 -0 src/share/man/man3/Makefile
1.6.2.1 +10 -2 src/share/man/man3/tree.3
1.6.2.1 +29 -0 src/sys/sys/tree.h
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From: Jason Evans <jasone@FreeBSD.org>
Date: Fri, 7 Mar 2008 22:39:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/lib/libc/gen Symbol.map src/lib/libc/stdlib
malloc.3 malloc.c src/lib/libkse kse.map src/lib/libkse/sys lock.c
lock.h src/lib/libkse/thread thr_cond.c thr_init.c thr_kern.c
thr_mutex.c thr_rtld.c src/lib/libthr pthread.map ...
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jasone 2008-03-07 22:39:39 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
lib/libc/gen Symbol.map
lib/libc/stdlib malloc.3 malloc.c
lib/libkse kse.map
lib/libkse/sys lock.c lock.h
lib/libkse/thread thr_cond.c thr_init.c thr_kern.c
thr_mutex.c thr_rtld.c
lib/libthr pthread.map
lib/libthr/thread thr_mutex.c
Log:
MFC: Merge malloc(3) improvements and fixes. The highlights are:
* Avoid re-zeroing memory in calloc() when possible.
* Use pthread mutexes where possible instead of libc "spinlocks", and
actually spin some during contention before blocking.
* Implement dynamic load balancing of thread-->arena mapping.
* Avoid floating point math in order to avoid increased context switch
overhead for applications that otherwise would not use floating point
math.
* Restructure how sbrk() and mmap() are used to acquire memory mappings.
This provides a way to force malloc to only use sbrk(), which can be
useful in the context of resource limits.
* Reduce the number of mmap() calls typically necessary when allocating
a chunk.
* Track dirty unused pages so that they can be purged if they exceed a
threshold.
* Try to realloc() large objects in place.
* Manage page runs with trees instead of chunk maps, which allows
logarithmic-time run allocation.
Revision Changes Path
1.6.2.1 +1 -0 src/lib/libc/gen/Symbol.map
1.73.2.1 +95 -36 src/lib/libc/stdlib/malloc.3
1.147.2.2 +2283 -1341 src/lib/libc/stdlib/malloc.c
1.1.2.1 +1 -0 src/lib/libkse/kse.map
1.11.2.2 +4 -3 src/lib/libkse/sys/lock.c
1.8.2.1 +1 -1 src/lib/libkse/sys/lock.h
1.57.2.1 +1 -1 src/lib/libkse/thread/thr_cond.c
1.76.2.1 +4 -4 src/lib/libkse/thread/thr_init.c
1.125.2.2 +5 -5 src/lib/libkse/thread/thr_kern.c
1.53.2.2 +30 -7 src/lib/libkse/thread/thr_mutex.c
1.7.2.1 +1 -1 src/lib/libkse/thread/thr_rtld.c
1.18.2.1 +1 -0 src/lib/libthr/pthread.map
1.54.2.3 +23 -6 src/lib/libthr/thread/thr_mutex.c
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Date: Fri, 7 Mar 2008 23:09:10 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/amd64/conf GENERIC src/sys/i386/conf GENERIC
src/sys/powerpc/conf GENERIC
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delphij 2008-03-07 23:09:10 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/amd64/conf GENERIC
sys/i386/conf GENERIC
sys/powerpc/conf GENERIC
Log:
MFC: Switch to use ULE as default scheduler on amd64, i386 and powerpc
architectures.
Revision Changes Path
1.484.2.4 +1 -1 src/sys/amd64/conf/GENERIC
1.474.2.4 +1 -1 src/sys/i386/conf/GENERIC
1.71.2.3 +1 -1 src/sys/powerpc/conf/GENERIC
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From: Xin LI <delphij@FreeBSD.org>
Date: Sat, 8 Mar 2008 00:04:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/usr.sbin/pkg_install/add main.c
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delphij 2008-03-08 00:04:58 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.sbin/pkg_install/add main.c
Log:
Merge from RELENG_7_0: Teach pkg_add(1) about 6.3-RELEASE, 7.0-RELEASE
and 7-STABLE.
Revision Changes Path
1.72.2.1 +3 -1 src/usr.sbin/pkg_install/add/main.c
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Cc: cvs-src@freebsd.org, Rink Springer <rink@freebsd.org>,
src-committers@freebsd.org
Subject: Re: cvs commit: src/share/man/man4 Makefile uslcom.4
src/sys/amd64/conf GENERIC src/sys/conf NOTES files
src/sys/dev/usb usbdevs uslcom.c src/sys/i386/conf GENERIC
src/sys/modules Makefile src/sys/modules/uslcom Makefile
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On Thu, 6 Mar 2008, Rink Springer wrote:
> Log:
> Import uslcom(4) from OpenBSD - this is a driver for Silicon
> Laboratories CP2101/CP2102 based USB serial adapters.
Hah, I ported this too.. Mine has issues though - I have the CP2102 in a=20
a AVR programmer/debugger tool and while the programmer part works the=20
JTAG debugger part times out.. It seemed to me it was some subtle flow=20
control issue to me but I haven't been able to debug it.
The code you have appears to be very similar to mine though (hardly=20
surprising given they have the same source). I will try and find time=20
to see if your works with the JTAG debugger I have (fingers crossed :)
=2D-=20
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
-- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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Date: Sat, 8 Mar 2008 00:53:54 +0000 (UTC)
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delphij 2008-03-08 00:53:54 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sbin/ffsinfo ffsinfo.c
Log:
MFC revision 1.14
date: 2008/01/29 00:20:00; author: delphij; state: Exp; lines: +1 -1
Don't coredump when executed with -o.
Revision Changes Path
1.13.2.1 +1 -1 src/sbin/ffsinfo/ffsinfo.c
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delphij 2008-03-08 00:54:27 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sbin/ffsinfo ffsinfo.c
Log:
MFC revision 1.14
date: 2008/01/29 00:20:00; author: delphij; state: Exp; lines: +1 -1
Don't coredump when executed with -o.
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1.10.2.3 +1 -1 src/sbin/ffsinfo/ffsinfo.c
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delphij 2008-03-08 01:00:25 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.sbin/newsyslog newsyslog.c
Log:
MFC revision 1.108
date: 2008/01/30 22:11:59; author: delphij; state: Exp; lines: +2 -2
Fix two typos.
Revision Changes Path
1.107.2.1 +2 -2 src/usr.sbin/newsyslog/newsyslog.c
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delphij 2008-03-08 01:00:39 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
usr.sbin/newsyslog newsyslog.c
Log:
MFC revision 1.108
date: 2008/01/30 22:11:59; author: delphij; state: Exp; lines: +2 -2
Fix two typos.
Revision Changes Path
1.101.2.5 +2 -2 src/usr.sbin/newsyslog/newsyslog.c
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Subject: cvs commit: src/usr.bin/calendar/calendars calendar.freebsd
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lippe 2008-03-08 03:54:30 UTC
FreeBSD src repository (ports committer)
Modified files:
usr.bin/calendar/calendars calendar.freebsd
Log:
- Add my birthday entry
Approved by: gabor (mentor)
Revision Changes Path
1.228 +1 -0 src/usr.bin/calendar/calendars/calendar.freebsd
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Subject: cvs commit: src/sys/powerpc/booke machdep.c
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marcel 2008-03-08 05:36:25 UTC
FreeBSD src repository
Modified files:
sys/powerpc/booke machdep.c
Log:
Enable the D-cache and I-cache when not already enabled.
It so happens that U-Boot disables the D-cache when booting
an ELF image, so this change makes sure we run with the
D-cache enabled from now on. It shows too...
While here, remove the duplicate definition of the hw.model
sysctl.
Revision Changes Path
1.2 +28 -3 src/sys/powerpc/booke/machdep.c
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Date: Sat, 8 Mar 2008 05:42:09 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/share/termcap termcap.src
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rafan 2008-03-08 05:42:09 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
share/termcap termcap.src
Log:
MFC termcap changes for the END/ENTER keys
Log:
- Remove kH and *6 from xterm. They are defined to the same key as @7 (kp_end).
As ncurses has the limitation that it returns the first matched key symbol,
you can not use END in ncurses based program, like mutt, with xterm.
- Add @8 (kp_enter) definition for xterm so you can use ENTER in xterm with
ncurses based program.
I also found that NetBSD's xterm does the same thing.
PR: 100150
Reported by: Arseny Nasokin <tarc at tarc.po.cs.msu.su>
Discussed with: Thomas Dickey, Ulrich Spoerlein <uspoerlein at gmail.com>
Reviewed by: freebsd-arch@
Revision Changes Path
1.148.2.1 +2 -2 src/share/termcap/termcap.src
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rafan 2008-03-08 05:42:52 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
share/termcap termcap.src
Log:
MFC termcap changes for the END/ENTER keys
Log:
- Remove kH and *6 from xterm. They are defined to the same key as @7 (kp_end)
As ncurses has the limitation that it returns the first matched key symbol,
you can not use END in ncurses based program, like mutt, with xterm.
- Add @8 (kp_enter) definition for xterm so you can use ENTER in xterm with
ncurses based program.
I also found that NetBSD's xterm does the same thing.
PR: 100150
Reported by: Arseny Nasokin <tarc at tarc.po.cs.msu.su>
Discussed with: Thomas Dickey, Ulrich Spoerlein <uspoerlein at gmail.com>
Reviewed by: freebsd-arch@
Revision Changes Path
1.144.8.1 +2 -2 src/share/termcap/termcap.src
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To: "Xin LI" <delphij@freebsd.org>
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Subject: Re: cvs commit: src/sys/amd64/conf GENERIC src/sys/i386/conf
GENERIC src/sys/powerpc/conf GENERIC
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On Fri, Mar 7, 2008 at 3:09 PM, Xin LI <delphij@freebsd.org> wrote:
> delphij 2008-03-07 23:09:10 UTC
>
> FreeBSD src repository
>
> Modified files: (Branch: RELENG_7)
> sys/amd64/conf GENERIC
> sys/i386/conf GENERIC
> sys/powerpc/conf GENERIC
> Log:
> MFC: Switch to use ULE as default scheduler on amd64, i386 and powerpc
> architectures.
You broke powerpc tinderbox:
#if !defined(__i386__) && !defined(__amd64__) && !defined(__arm__)
#error "This architecture is not currently compatible with ULE"
#endif
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5
"If Java had true garbage collection, most programs would delete
themselves upon execution." -- Robert Sewell
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From: Xin LI <delphij@FreeBSD.org>
Date: Sat, 8 Mar 2008 09:38:18 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/powerpc/conf GENERIC
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delphij 2008-03-08 09:38:18 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/powerpc/conf GENERIC
Log:
Revert powerpc scheduler change for now. This change should be
done after necessary ULE changes to be MFC'ed.
Pointed out by: peter
Revision Changes Path
1.71.2.4 +1 -1 src/sys/powerpc/conf/GENERIC
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Subject: Re: cvs commit: src/sys/amd64/conf GENERIC src/sys/i386/conf GENERIC
src/sys/powerpc/conf GENERIC
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Peter Wemm wrote:
> On Fri, Mar 7, 2008 at 3:09 PM, Xin LI <delphij@freebsd.org> wrote:
>> delphij 2008-03-07 23:09:10 UTC
>>
>> FreeBSD src repository
>>
>> Modified files: (Branch: RELENG_7)
>> sys/amd64/conf GENERIC
>> sys/i386/conf GENERIC
>> sys/powerpc/conf GENERIC
>> Log:
>> MFC: Switch to use ULE as default scheduler on amd64, i386 and power=
pc
>> architectures.
>=20
> You broke powerpc tinderbox:
>=20
> #if !defined(__i386__) && !defined(__amd64__) && !defined(__arm__)
> #error "This architecture is not currently compatible with ULE"
> #endif
Sorry for that, I have backed out the change.
Cheers,
--=20
Xin LI <delphij@delphij.net> http://www.delphij.net/
FreeBSD - The Power to Serve!
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From: Rafal Jaworowski <raj@semihalf.com>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/powerpc/booke machdep.c
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Marcel Moolenaar wrote:
> marcel 2008-03-08 05:36:25 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/powerpc/booke machdep.c
> Log:
> Enable the D-cache and I-cache when not already enabled.
> It so happens that U-Boot disables the D-cache when booting
> an ELF image, so this change makes sure we run with the
> D-cache enabled from now on. It shows too...
>
Thanks for hooking this up, Marcel; it was [far] on my list too :)
BTW: currently U-Boot is broken for most of PPC variations (including 85xx) in
the following way: d-cache is not being flushed before disabling and strange
things happen as you imagine. For a quick workaround apply something like this
when using ELF images:
http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff
Rafal
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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Sat, 8 Mar 2008 12:13:00 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sbin/geom/class/multipath gmultipath.8
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brueffer 2008-03-08 12:13:00 UTC
FreeBSD src repository
Modified files:
sbin/geom/class/multipath gmultipath.8
Log:
Fix typos.
PR: 121486
Submitted by: Anatoly Borodin <anatoly.borodin@gmail.com>
MFC after: 3 days
Revision Changes Path
1.5 +2 -2 src/sbin/geom/class/multipath/gmultipath.8
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Date: Sat, 8 Mar 2008 14:12:35 +0000 (UTC)
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Subject: cvs commit: src/sys/i386/cpufreq est.c
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rpaulo 2008-03-08 14:12:35 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/i386/cpufreq est.c
Log:
MFC r1.12:
Validate the id16 values gathered from ACPI (previously a TODO
item).
Style changes by me and njl.
Submitted by: Takeharu KATO <takeharu1219 at ybb.ne.jp>
PR: 119350
Revision Changes Path
1.11.2.1 +59 -17 src/sys/i386/cpufreq/est.c
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From: Rui Paulo <rpaulo@FreeBSD.org>
Date: Sat, 8 Mar 2008 14:14:35 +0000 (UTC)
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Subject: cvs commit: src/sys/i386/cpufreq est.c
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rpaulo 2008-03-08 14:14:35 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/i386/cpufreq est.c
Log:
MFC r1.12:
Validate the id16 values gathered from ACPI (previously a TODO
item).
Style changes by me and njl.
Submitted by: Takeharu KATO <takeharu1219 at ybb.ne.jp>
PR: 119350
Revision Changes Path
1.7.2.2 +59 -17 src/sys/i386/cpufreq/est.c
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From: Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca>
To: Rui Paulo <rpaulo@FreeBSD.org>, src-committers@FreeBSD.org,
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Subject: Re: cvs commit: src/sys/i386/cpufreq est.c
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----- Original Message ----
> From: Rui Paulo <rpaulo@FreeBSD.org>
> To: src-committers@FreeBSD.org; cvs-src@FreeBSD.org; cvs-all@FreeBSD.org
> Sent: Saturday, March 8, 2008 5:12:35 PM
> Subject: cvs commit: src/sys/i386/cpufreq est.c
>
> rpaulo 2008-03-08 14:12:35 UTC
>
> FreeBSD src repository
>
> Modified files: (Branch: RELENG_7)
> sys/i386/cpufreq est.c
> Log:
> MFC r1.12:
> Validate the id16 values gathered from ACPI (previously a TODO
> item).
> Style changes by me and njl.
>
> Submitted by: Takeharu KATO
> PR: 119350
>
> Revision Changes Path
> 1.11.2.1 +59 -17 src/sys/i386/cpufreq/est.c
Thanks, how about AMD64?
Regards,
-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org
Subject: Re: cvs commit: src/sys/i386/cpufreq est.c
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On Sat, Mar 8, 2008 at 2:21 PM, Abdullah Ibn Hamad Al-Marri
<wearabnet@yahoo.ca> wrote:
>
> ----- Original Message ----
>
> > From: Rui Paulo <rpaulo@FreeBSD.org>
> > To: src-committers@FreeBSD.org; cvs-src@FreeBSD.org; cvs-all@FreeBSD.org
> > Sent: Saturday, March 8, 2008 5:12:35 PM
> > Subject: cvs commit: src/sys/i386/cpufreq est.c
> >
> > rpaulo 2008-03-08 14:12:35 UTC
> >
> > FreeBSD src repository
> >
> > Modified files: (Branch: RELENG_7)
>
> > sys/i386/cpufreq est.c
> > Log:
> > MFC r1.12:
> > Validate the id16 values gathered from ACPI (previously a TODO
> > item).
> > Style changes by me and njl.
> >
> > Submitted by: Takeharu KATO
> > PR: 119350
> >
> > Revision Changes Path
> > 1.11.2.1 +59 -17 src/sys/i386/cpufreq/est.c
>
> Thanks, how about AMD64?
This directory is shared by i386 and amd64.
Regards.
--
Rui Paulo
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Date: Sat, 8 Mar 2008 15:41:06 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/tools/tools/tinybsd tinybsd
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remko 2008-03-08 15:41:06 UTC
FreeBSD src repository
Modified files:
tools/tools/tinybsd tinybsd
Log:
Improve handling of the tinybsd application wrt ports. Ports that
have dependencies or need to install a new user/group, are not
problematic anymore.
PR: 121367
Submitted by: Richard Arends < richard at unixguru dot nl >
MFC after: 3 days
Revision Changes Path
1.8 +41 -53 src/tools/tools/tinybsd/tinybsd
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Subject: Re: cvs commit: src/tools/tools/tinybsd tinybsd
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Remko Lodder wrote:
> remko 2008-03-08 15:41:06 UTC
>
> FreeBSD src repository
>
> Modified files:
> tools/tools/tinybsd tinybsd
> Log:
> Improve handling of the tinybsd application wrt ports. Ports that
> have dependencies or need to install a new user/group, are not
> problematic anymore.
>
> PR: 121367
> Submitted by: Richard Arends < richard at unixguru dot nl >
> MFC after: 3 days
Approved by: imp (mentor, implicit for trivial changes)
--
/"\ Best regards, | remko@FreeBSD.org
\ / Remko Lodder | remko@EFnet
X http://www.evilcoder.org/ |
/ \ ASCII Ribbon Campaign | Against HTML Mail and News
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sat, 8 Mar 2008 15:48:06 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_sig.c
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rwatson 2008-03-08 15:48:06 UTC
FreeBSD src repository
Modified files:
sys/kern kern_sig.c
Log:
Unlock the process lock when expand_name() fails, or we may leak the
process lock leading to a hang. This bug was introduced in
kern_sig.c:1.351, when the call to expand_name() was moved earlier
bit this particular error case was not updated.
Revision Changes Path
1.356 +1 -0 src/sys/kern/kern_sig.c
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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sat, 8 Mar 2008 16:31:29 +0000 (UTC)
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Subject: cvs commit: src/sys/kern kern_sig.c
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rwatson 2008-03-08 16:31:29 UTC
FreeBSD src repository
Modified files:
sys/kern kern_sig.c
Log:
Use sbuf routines to construct core dump filenames rather than custom
string buffer handling, making the code both easier to read and more
robust against string-handling bugs.
MFC after: 1 week
Revision Changes Path
1.357 +22 -27 src/sys/kern/kern_sig.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 16:33:14 2008
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Date: Sat, 8 Mar 2008 08:33:13 -0800 (PST)
From: Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca>
To: Rui Paulo <rpaulo@FreeBSD.org>
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Cc: cvs-src@freebsd.org, src-committers@freebsd.org
Subject: Re: cvs commit: src/sys/i386/cpufreq est.c
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----- Original Message ----
> From: Rui Paulo <rpaulo@FreeBSD.org>
> To: Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca>
> Cc: src-committers@freebsd.org; cvs-src@freebsd.org; cvs-all@freebsd.org
> Sent: Saturday, March 8, 2008 6:38:10 PM
> Subject: Re: cvs commit: src/sys/i386/cpufreq est.c
>
> On Sat, Mar 8, 2008 at 2:21 PM, Abdullah Ibn Hamad Al-Marri
> wrote:
> >
> > ----- Original Message ----
> >
> > > From: Rui Paulo
> > > To: src-committers@FreeBSD.org; cvs-src@FreeBSD.org; cvs-all@FreeBSD.org
> > > Sent: Saturday, March 8, 2008 5:12:35 PM
> > > Subject: cvs commit: src/sys/i386/cpufreq est.c
> > >
> > > rpaulo 2008-03-08 14:12:35 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files: (Branch: RELENG_7)
> >
> > > sys/i386/cpufreq est.c
> > > Log:
> > > MFC r1.12:
> > > Validate the id16 values gathered from ACPI (previously a TODO
> > > item).
> > > Style changes by me and njl.
> > >
> > > Submitted by: Takeharu KATO
> > > PR: 119350
> > >
> > > Revision Changes Path
> > > 1.11.2.1 +59 -17 src/sys/i386/cpufreq/est.c
> >
> > Thanks, how about AMD64?
>
> This directory is shared by i386 and amd64.
>
> Regards.
> --
> Rui Paulo
>
Thank you,
Here what I got.
FreeBSD 7.0-STABLE #0: Sat Mar 8 16:16:54 UTC 2008
arabian@MX1.WeArab.Net:/usr/obj/usr/src/sys/MX1
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz (2666.62-MHz K8-class CPU)
Origin = "GenuineIntel" Id = 0x6fb Stepping = 11
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0xe3fd<SSE3,RSVD2,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
AMD Features=0x20100800<SYSCALL,NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 2
usable memory = 4276043776 (4077 MB)
avail memory = 4106977280 (3916 MB)
ACPI APIC Table: <INTEL DG31PR>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0 <Version 2.0> irqs 0-23 on motherboard
acpi0: <INTEL> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
cpu0: <ACPI CPU> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr 82a082a0600082a
device_attach: est0 attach returned 6
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
est: CPU supports Enhanced Speedstep, but is not recognized.
est: cpu_vendor GenuineIntel, msr 82a082a0600082a
device_attach: est1 attach returned 6
p4tcc1: <CPU Frequency Thermal Control> on cpu1
Regards,
-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/
____________________________________________________________________________________
Never miss a thing. Make Yahoo your home page.
http://www.yahoo.com/r/hs
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 16:51:47 2008
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From: "Christian S.J. Peron" <csjp@FreeBSD.org>
To: Robert Watson <rwatson@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/kern kern_sig.c
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On Sat, Mar 08, 2008 at 03:48:06PM +0000, Robert Watson wrote:
> rwatson 2008-03-08 15:48:06 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/kern kern_sig.c
> Log:
> Unlock the process lock when expand_name() fails, or we may leak the
> process lock leading to a hang. This bug was introduced in
> kern_sig.c:1.351, when the call to expand_name() was moved earlier
> bit this particular error case was not updated.
>
Pointy hat to: csjp
Thanks for catching this!
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 16:58:21 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/netipsec key.c key_debug.c
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bz 2008-03-08 16:58:21 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netipsec key.c key_debug.c
Log:
MFC: rev. 1.29 key.c, 1.6 key_debug.c
Fix bugs when allocating and passing information of current lifetime and
soft lifetime [1] introduced in rev. 1.21 of key.c.
Along with that, fix a related problem in key_debug
printing the correct data.
While there replace a printf by panic in a sanity check.
PR: 120751
Submitted by: Kazuaki ODA (kazuaki aliceblue.jp) [1]
Revision Changes Path
1.28.2.1 +7 -2 src/sys/netipsec/key.c
1.5.2.1 +22 -4 src/sys/netipsec/key_debug.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 17:01:27 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 17:01:27 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/netinet tcp_input.c
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bz 2008-03-08 17:01:27 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netinet tcp_input.c
Log:
MFC:
rev. 1.372
Fix indentation (whitespace changes only).
rev. 1.373
Some "cleanup" of tcp_mss():
- Move the assigment of the socket down before we first need it.
No need to do it at the beginning and then drop out the function
by one of the returns before using it 100 lines further down.
- Use t_maxopd which was assigned the "tcp_mssdflt" for the corrrect
AF already instead of another #ifdef ? : #endif block doing the same.
- Remove an unneeded (duplicate) assignment of mss to t_maxseg just before
we possibly change mss and re-do the assignment without using t_maxseg
in between.
Revision Changes Path
1.370.2.1 +8 -12 src/sys/netinet/tcp_input.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:06:49 2008
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From: Scott Long <scottl@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:06:48 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/dev/hptrr hptrr_os_bsd.c hptrr_osm_bsd.c ldm.h
osm.h
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scottl 2008-03-08 18:06:48 UTC
FreeBSD src repository
Modified files:
sys/dev/hptrr hptrr_os_bsd.c hptrr_osm_bsd.c ldm.h
osm.h
Log:
Fix a mistake made during the import of the driver. Previous versions of
HPT drivers would sometimes test the value of a preprocessor definition but
not always make sure that the definition existed in the first place, leading
to warnings on newer compilers. I blindly assumed the same with this driver,
and it turned out to be wrong and to enable some code that doesn't work.
Revision Changes Path
1.4 +3 -3 src/sys/dev/hptrr/hptrr_os_bsd.c
1.4 +2 -2 src/sys/dev/hptrr/hptrr_osm_bsd.c
1.3 +1 -1 src/sys/dev/hptrr/ldm.h
1.4 +1 -1 src/sys/dev/hptrr/osm.h
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:16:33 2008
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From: Scott Long <scottl@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:16:33 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/sys/dev/hptrr amd64-elf.hptrr_lib.o.uu array.h
him.h himfuncs.h hptintf.h hptrr_config.c hptrr_config.h
hptrr_os_bsd.c hptrr_osm_bsd.c i386-elf.hptrr_lib.o.uu ldm.h
list.h os_bsd.h osm.h
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scottl 2008-03-08 18:16:33 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/dev/hptrr amd64-elf.hptrr_lib.o.uu array.h him.h
himfuncs.h hptintf.h hptrr_config.c
hptrr_config.h hptrr_os_bsd.c
hptrr_osm_bsd.c i386-elf.hptrr_lib.o.uu
ldm.h list.h os_bsd.h osm.h
Log:
Re-update to rev 1.2 of the hptrr driver.
Revision Changes Path
1.1.2.4 +13261 -12830 src/sys/dev/hptrr/amd64-elf.hptrr_lib.o.uu
1.1.2.4 +8 -5 src/sys/dev/hptrr/array.h
1.1.2.4 +134 -117 src/sys/dev/hptrr/him.h
1.1.2.3 +0 -0 src/sys/dev/hptrr/himfuncs.h
1.1.2.4 +76 -20 src/sys/dev/hptrr/hptintf.h
1.1.2.4 +5 -2 src/sys/dev/hptrr/hptrr_config.c
1.1.2.4 +8 -3 src/sys/dev/hptrr/hptrr_config.h
1.1.2.5 +4 -4 src/sys/dev/hptrr/hptrr_os_bsd.c
1.1.2.4 +9 -10 src/sys/dev/hptrr/hptrr_osm_bsd.c
1.1.2.4 +8768 -8363 src/sys/dev/hptrr/i386-elf.hptrr_lib.o.uu
1.1.2.4 +57 -32 src/sys/dev/hptrr/ldm.h
1.1.2.3 +0 -0 src/sys/dev/hptrr/list.h
1.1.2.4 +4 -0 src/sys/dev/hptrr/os_bsd.h
1.1.2.5 +11 -9 src/sys/dev/hptrr/osm.h
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:17:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec.c
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bz 2008-03-08 18:17:25 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec.c
Log:
"MFC" (code is different) rev. 1.20 ipsec.c
s,#if INET*,#ifdef INET*,
Revision Changes Path
1.12.2.1 +2 -2 src/sys/netipsec/ipsec.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:19:50 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:19:50 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec key.c
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bz 2008-03-08 18:19:50 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec key.c
Log:
MFC rev. 1.23 key.c
Add missing
break;
so when comparing AF_INET6 addresses, scope and ports we do not run into
the default case and return 'no match' instead of 'match'.
Revision Changes Path
1.20.2.2 +1 -0 src/sys/netipsec/key.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:22:21 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:22:20 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec.c
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bz 2008-03-08 18:22:20 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec.c
Log:
MFC rev. 1.23 ipsec.c
Implement ICMPv6 support in ipsec6_get_ulp().
This is needed to make security policies work correctly if ICMPv6 type
and/or code are given. See setkey(8) 'upperspec' para. for details.
Revision Changes Path
1.12.2.2 +10 -0 src/sys/netipsec/ipsec.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:23:55 2008
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Date: Sat, 8 Mar 2008 18:23:55 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec_output.c
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bz 2008-03-08 18:23:55 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec_output.c
Log:
MFC rev. 1.13 ipsec_output.c
fix typo: s,applyed,applied,g
Revision Changes Path
1.10.8.2 +2 -2 src/sys/netipsec/ipsec_output.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:25:58 2008
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Date: Sat, 8 Mar 2008 18:25:58 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec_input.c
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bz 2008-03-08 18:25:58 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec_input.c
Log:
MFC rev. 1.15 ipsec_input.c
Though we are only called for the three security protocols we can
handle, document those sprotos using an IPSEC_ASSERT so that it will
be clear that 'spi' will always be initialized when used the first time.
Found with: Coverity Prevent(tm)
CID: 2533
Revision Changes Path
1.9.2.3 +4 -0 src/sys/netipsec/ipsec_input.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:27:27 2008
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Date: Sat, 8 Mar 2008 18:27:27 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec_input.c
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bz 2008-03-08 18:27:27 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec_input.c
Log:
MFC rev. 1.16 ipsec_input.c
s,#,*, in a multi-line comment. This is C.
No functional change.
Revision Changes Path
1.9.2.4 +1 -1 src/sys/netipsec/ipsec_input.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:29:39 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:29:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/netipsec ipsec_input.c
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bz 2008-03-08 18:29:39 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec_input.c
Log:
MFC rev. 1.17 ipsec_input.c
Looking at {ah,esp}_input_cb it seems we might be able to end up
without an mtag in ipsec4_common_input_cb.
So in case of !IPCOMP (AH,ESP) only change the m_tag_id if an mtag
was passed to ipsec4_common_input_cb.
Found with: Coverity Prevent(tm)
CID: 2523
Revision Changes Path
1.9.2.5 +1 -1 src/sys/netipsec/ipsec_input.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:34:18 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:34:17 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec key.c
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bz 2008-03-08 18:34:17 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec key.c
Log:
MFC rev. 1.25
Add a missing return so that we drop out in case of an error and
do not continue with a NULL pointer. [1]
While here change the return of the error handling code path above.
I cannot see why we should always return 0 there. Neither does KAME
nor do we in here for the similar check in all the other functions.
Found with: Coverity Prevent(tm) [1]
CID: 2521
Revision Changes Path
1.20.2.3 +2 -3 src/sys/netipsec/key.c
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:37:03 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:37:03 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/netipsec key.c
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bz 2008-03-08 18:37:03 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec key.c
Log:
MFC rev. 1.26 key.c
In case of failure we can directly return ENOBUFS because
'result' is still NULL and we do not need to free anything.
That allows us to gc the entire goto parts and a now unused variable.
Found with: Coverity Prevent(tm)
CID: 2519
Revision Changes Path
1.20.2.4 +3 -10 src/sys/netipsec/key.c
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:38:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netipsec key.c
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bz 2008-03-08 18:38:25 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec key.c
Log:
MFC rev. 1.27 key.c
'spi' and the return value of ntohl are unsigned. Remove the extra >=0
check which was always true.
Document the special meaning of spi values of 0 and 1-255 with a comment.
Found with: Coverity Prevent(tm)
CID: 2047
Revision Changes Path
1.20.2.5 +6 -1 src/sys/netipsec/key.c
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Subject: Re: cvs commit: src/sys/netipsec key.c
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On Sat, 8 Mar 2008, Bjoern A. Zeeb wrote:
> bz 2008-03-08 18:34:17 UTC
>
> FreeBSD src repository
>
> Modified files: (Branch: RELENG_6)
> sys/netipsec key.c
> Log:
> MFC rev. 1.25
>
> Add a missing return so that we drop out in case of an error and
> do not continue with a NULL pointer. [1]
>
> While here change the return of the error handling code path above.
> I cannot see why we should always return 0 there. Neither does KAME
> nor do we in here for the similar check in all the other functions.
>
> Found with: Coverity Prevent(tm) [1]
> CID: 2521
>
> Revision Changes Path
> 1.20.2.3 +2 -3 src/sys/netipsec/key.c
The problem (which was a missing MFC) was
Reported by: Matthew Grooms mgrooms shrew.net
PR: 121140
--
Bjoern A. Zeeb bzeeb at Zabbadoz dot NeT
Software is harder than hardware so better get it right the first time.
From owner-cvs-src@FreeBSD.ORG Sat Mar 8 18:56:28 2008
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 18:56:22 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc:
Subject: cvs commit: src/sys/netipsec ipsec_input.c ipsec_output.c
xform_ipip.c
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bz 2008-03-08 18:56:22 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_6)
sys/netipsec ipsec_input.c ipsec_output.c xform_ipip.c
Log:
MFC rev.s 1.18 ipsec_input.c, 1.16 ipsec_output.c, 1.15 xform_ipip.c
Replace hard coded options by their defined PFIL_{IN,OUT} names.
Revision Changes Path
1.9.2.6 +2 -1 src/sys/netipsec/ipsec_input.c
1.10.8.3 +2 -1 src/sys/netipsec/ipsec_output.c
1.11.2.3 +2 -1 src/sys/netipsec/xform_ipip.c
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Cc: cvs-src@FreeBSD.org, Marcel Moolenaar <marcel@FreeBSD.org>,
cvs-all@FreeBSD.org, src-committers@FreeBSD.org
Subject: Re: cvs commit: src/sys/powerpc/booke machdep.c
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On Mar 8, 2008, at 2:19 AM, Rafal Jaworowski wrote:
> Marcel Moolenaar wrote:
>> marcel 2008-03-08 05:36:25 UTC
>>
>> FreeBSD src repository
>>
>> Modified files:
>> sys/powerpc/booke machdep.c
>> Log:
>> Enable the D-cache and I-cache when not already enabled.
>> It so happens that U-Boot disables the D-cache when booting
>> an ELF image, so this change makes sure we run with the
>> D-cache enabled from now on. It shows too...
>>
>
> Thanks for hooking this up, Marcel; it was [far] on my list too :)
I just wanted my kernel builds to be faster :-)
> BTW: currently U-Boot is broken for most of PPC variations
> (including 85xx) in
> the following way: d-cache is not being flushed before disabling and
> strange
> things happen as you imagine. For a quick workaround apply something
> like this
> when using ELF images:
> http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff
Yup. That's what we do at Juniper. I don't see any bad effects other
than having to invalidate the cache before (re-)enabling it so I don't
have that patch applied myself...
The problem I'm having with U-Boot is with the TSEC driver as you've
seen on the U-Boot mailing list. I have one MPC8555CDS sitting idle
after the U-Boot upgrade because I can't netboot :-/
--
Marcel Moolenaar
xcllnt@mac.com
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Date: Sat, 8 Mar 2008 19:14:43 +0000 (UTC)
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Subject: cvs commit: src/sys/modules/zfs Makefile
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obrien 2008-03-08 19:14:43 UTC
FreeBSD src repository
Modified files:
sys/modules/zfs Makefile
Log:
"root" the include path so there is less duplication.
Revision Changes Path
1.9 +18 -16 src/sys/modules/zfs/Makefile
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Date: Sat, 08 Mar 2008 20:21:18 +0100
From: Rafal Jaworowski <raj@semihalf.com>
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To: Marcel Moolenaar <xcllnt@mac.com>
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Cc: cvs-src@FreeBSD.org, Marcel Moolenaar <marcel@FreeBSD.org>,
cvs-all@FreeBSD.org, src-committers@FreeBSD.org
Subject: Re: cvs commit: src/sys/powerpc/booke machdep.c
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Marcel Moolenaar wrote:
>>
>> Thanks for hooking this up, Marcel; it was [far] on my list too :)
>
> I just wanted my kernel builds to be faster :-)
>
Ah, self-hosted builds you mean? Over NFS, right? (this is how we usually test
this)
>> BTW: currently U-Boot is broken for most of PPC variations (including
>> 85xx) in
>> the following way: d-cache is not being flushed before disabling and
>> strange
>> things happen as you imagine. For a quick workaround apply something
>> like this
>> when using ELF images:
>> http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff
>
> Yup. That's what we do at Juniper. I don't see any bad effects other
> than having to invalidate the cache before (re-)enabling it so I don't
> have that patch applied myself...
>
I have seen strange things, including hangs, and also TSEC non-functional
effects due to this issue... :)
> The problem I'm having with U-Boot is with the TSEC driver as you've
> seen on the U-Boot mailing list. I have one MPC8555CDS sitting idle
> after the U-Boot upgrade because I can't netboot :-/
>
Yes, I saw. Let me re-flash my 8555 with the latest image and try, but when
I'm not remote i.e. Monday. Don't know if you know this tip, but there used to
be a second flash bank on the MPC8555CDS that you can access while running
from the boot one, so you can recover in such scenario without a h/w debugger
by copying over that backup flash bank, provided you have a working image there...
Rafal
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From: Marius Strobl <marius@FreeBSD.org>
Date: Sat, 8 Mar 2008 19:33:35 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_7
Cc:
Subject: cvs commit: src/contrib/gcc/config/sparc freebsd.h
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marius 2008-03-08 19:33:35 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
contrib/gcc/config/sparc freebsd.h
Log:
MFC: 1.11
Allow the targeted CPU type to be set via -mcpu instead of
limiting to the hardcoded equivalent of -mcpu=ultrasparc.
PR: 109510
Revision Changes Path
1.10.2.1 +8 -6 src/contrib/gcc/config/sparc/freebsd.h
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From: Antoine Brodin <antoine@FreeBSD.org>
Date: Sat, 8 Mar 2008 21:56:00 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/lib/libutil humanize_number.c
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antoine 2008-03-08 21:55:59 UTC
FreeBSD src repository
Modified files:
lib/libutil humanize_number.c
Log:
Merge changes from NetBSD on humanize_number.c, 1.8 -> 1.13
Significant changes:
- rev. 1.11: Use PRId64 instead of a cast to long long and %lld to print
an int64_t.
- rev. 1.12: Fix a bug that humanize_number() produces "1000" where it
should be "1.0G" or "1.0M". The bug reported by Greg Troxel.
PR: 118461
PR: 102694
Approved by: rwatson (mentor)
Obtained from: NetBSD
MFC after: 1 month
Revision Changes Path
1.3 +10 -5 src/lib/libutil/humanize_number.c
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From: Antoine Brodin <antoine@FreeBSD.org>
Date: Sat, 8 Mar 2008 21:57:35 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/tools/build/mk OptionalObsoleteFiles.inc
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antoine 2008-03-08 21:57:35 UTC
FreeBSD src repository
Modified files:
tools/build/mk OptionalObsoleteFiles.inc
Log:
Add some checks for amd64 target around usr/lib32 libraries, missed in
previous commit.
Approved by: rwatson (mentor)
X-MFC: with revision 1.13
Revision Changes Path
1.14 +4 -0 src/tools/build/mk/OptionalObsoleteFiles.inc
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Date: Sat, 8 Mar 2008 21:59:44 +0000 (UTC)
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Subject: cvs commit: src ObsoleteFiles.inc
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antoine 2008-03-08 21:59:44 UTC
FreeBSD src repository
Modified files:
. ObsoleteFiles.inc
Log:
Add some obsolete usr/lib32 libraries.
PR: 117189
Submitted by: Scot Hetzel
Approved by: rwatson (mentor)
MFC after: 1 month
Revision Changes Path
1.132 +50 -0 src/ObsoleteFiles.inc
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Subject: cvs commit: src/lib/libc/sys fcntl.2 src/sys/kern kern_descrip.c
src/sys/sys fcntl.h src/tools/regression/file/dup dup.c
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antoine 2008-03-08 22:02:21 UTC
FreeBSD src repository
Modified files:
lib/libc/sys fcntl.2
sys/kern kern_descrip.c
sys/sys fcntl.h
tools/regression/file/dup dup.c
Log:
Introduce a new F_DUP2FD command to fcntl(2), for compatibility with
Solaris and AIX.
fcntl(fd, F_DUP2FD, arg) and dup2(fd, arg) are functionnaly equivalent.
Document it.
Add some regression tests (identical to the dup2(2) regression tests).
PR: 120233
Submitted by: Jukka Ukkonen
Approved by: rwaston (mentor)
MFC after: 1 month
Revision Changes Path
1.46 +37 -1 src/lib/libc/sys/fcntl.2
1.325 +6 -1 src/sys/kern/kern_descrip.c
1.18 +1 -0 src/sys/sys/fcntl.h
1.3 +71 -2 src/tools/regression/file/dup/dup.c
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Date: Sat, 8 Mar 2008 22:17:14 +0000 (UTC)
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Subject: cvs commit: src/sys/sys param.h
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antoine 2008-03-08 22:17:14 UTC
FreeBSD src repository
Modified files:
sys/sys param.h
Log:
Bump __FreeBSD_version for F_DUP2FD command to fcntl(2)
Requested by: Craig Rodrigues
Approved by: rwatson (mentor)
Revision Changes Path
1.341 +1 -1 src/sys/sys/param.h
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Subject: cvs commit: src/sys/boot/i386/libi386 biosdisk.c
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bz 2008-03-08 23:36:25 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/boot/i386/libi386 biosdisk.c
Log:
MFC rev. 1.54
Though we are currently not interested in the EDD3 flag,
Enhanced Disk Drive Specification Ver 3.0 defines that the version
of extension in AH would be 30h.
Correct the check for that to be >=30h instead of >3h.
Revision Changes Path
1.48.2.5 +1 -1 src/sys/boot/i386/libi386/biosdisk.c
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 23:41:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc:
Subject: cvs commit: src/sys/netinet in.c
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bz 2008-03-08 23:41:47 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netinet in.c
Log:
MFC rev. 1.103 in.c
Differentiate between addifaddr and delifaddr for the privilege check.
Revision Changes Path
1.102.2.1 +2 -1 src/sys/netinet/in.c
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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sat, 8 Mar 2008 23:45:39 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netinet6 in6_src.c
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FreeBSD src repository
Modified files: (Branch: RELENG_7)
sys/netinet6 in6_src.c
Log:
MFC rev. 1.49 in6_src.c
Correct the commented out debugging printf()s in REPLACE and NEXT macros.
ip6_sprintf() needs a buffer as first argument these days.
Revision Changes Path
1.46.2.1 +8 -2 src/sys/netinet6/in6_src.c
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From: Alexander Motin <mav@FreeBSD.org>
Date: Sat, 8 Mar 2008 23:55:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/netgraph ng_l2tp.c
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mav 2008-03-08 23:55:29 UTC
FreeBSD src repository
Modified files:
sys/netgraph ng_l2tp.c
Log:
To avoid control data losses do not acknowledge recieving of control packet
if netgraph reported error while delivering to destination.
Reset 'next send' counter to the last requested by peer on ack timeout
to resend all subsequest packets after lost one again without additional hints.
Revision Changes Path
1.23 +44 -54 src/sys/netgraph/ng_l2tp.c