Date: Wed, 15 Nov 2000 18:16:45 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/alpha/alpha trap.c src/sys/i386/i386 trap.c src/sys/ia64/ia64 trap.c src/sys/kern kern_mutex.c kern_shutdown.c kern_sig.c kern_subr.c kern_synch.c Message-ID: <200011160216.SAA29000@freefall.freebsd.org>
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jhb 2000/11/15 18:16:45 PST
Modified files:
sys/alpha/alpha trap.c
sys/i386/i386 trap.c
sys/ia64/ia64 trap.c
sys/kern kern_mutex.c kern_shutdown.c kern_sig.c
kern_subr.c kern_synch.c
Log:
Don't release and acquire Giant in mi_switch(). Instead, release and
acquire Giant as needed in functions that call mi_switch(). The releases
need to be done outside of the sched_lock to avoid potential deadlocks
from trying to acquire Giant while interrupts are disabled.
Submitted by: witness
Revision Changes Path
1.36 +3 -1 src/sys/alpha/alpha/trap.c
1.160 +3 -1 src/sys/i386/i386/trap.c
1.6 +3 -1 src/sys/ia64/ia64/trap.c
1.16 +5 -40 src/sys/kern/kern_mutex.c
1.88 +3 -1 src/sys/kern/kern_shutdown.c
1.91 +9 -1 src/sys/kern/kern_sig.c
1.37 +3 -1 src/sys/kern/kern_subr.c
1.108 +6 -17 src/sys/kern/kern_synch.c
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