Date: Fri, 22 Feb 2002 15:58:23 -0800 (PST) From: Julian Elischer <julian@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern kern_fork.c subr_trap.c src/sys/sys proc.h src/sys/alpha/alpha trap.c src/sys/i386/i386 trap.c src/sys/ia64/ia64 trap.c src/sys/powerpc/powerpc trap.c src/sys/sparc64/sparc64 trap.c Message-ID: <200202222358.g1MNwNH23641@freefall.freebsd.org>
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julian 2002/02/22 15:58:23 PST
Modified files:
sys/kern subr_trap.c kern_fork.c
sys/sys proc.h
sys/alpha/alpha trap.c
sys/i386/i386 trap.c
sys/ia64/ia64 trap.c
sys/powerpc/powerpc trap.c
sys/sparc64/sparc64 trap.c
Log:
Add some DIAGNOSTIC code.
While in userland, keep the thread's ucred reference in a shadow
field so that the usual place to store it is NULL.
If DIAGNOSTIC is not set, the thread ucred is kept valid until the next
kernel entry, at which time it is checked against the process cred
and possibly corrected. Produces a BIG speedup in
kernels with INVARIANTS set. (A previous commit corrected it
for the non INVARIANTS case already)
Reviewed by: dillon@freebsd.org
Revision Changes Path
1.84 +22 -12 src/sys/alpha/alpha/trap.c
1.213 +25 -14 src/sys/i386/i386/trap.c
1.44 +24 -14 src/sys/ia64/ia64/trap.c
1.134 +9 -6 src/sys/kern/kern_fork.c
1.209 +30 -6 src/sys/kern/subr_trap.c
1.8 +13 -7 src/sys/powerpc/powerpc/trap.c
1.24 +24 -14 src/sys/sparc64/sparc64/trap.c
1.205 +5 -0 src/sys/sys/proc.h
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