Date: Fri, 26 Oct 2001 13:13:06 -0400 (EDT) From: Robert Watson <rwatson@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/alpha trap.c src/sys/i386/i386 trap.c src/sys/ia64/ia64 trap.c src/sys/kern init_main.c kern_exit.c kern_fork.c subr_trap.c src/sys/sparc64/sparc64 trap.c src/sys/sys proc.h Message-ID: <Pine.NEB.3.96L.1011026131242.88508B-100000@fledge.watson.org> In-Reply-To: <200110260812.f9Q8CsD14882@freefall.freebsd.org>
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Yay! We probably need a ucred(9) manpage someday, btw. Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services On Fri, 26 Oct 2001, John Baldwin wrote: > jhb 2001/10/26 01:12:54 PDT > > Modified files: > sys/alpha/alpha trap.c > sys/i386/i386 trap.c > sys/ia64/ia64 trap.c > sys/kern init_main.c kern_exit.c kern_fork.c > subr_trap.c > sys/sparc64/sparc64 trap.c > sys/sys proc.h > Log: > Add a per-thread ucred reference for syscalls and synchronous traps from > userland. The per thread ucred reference is immutable and thus needs no > locks to be read. However, until all the proc locking associated with > writes to p_ucred are completed, it is still not safe to use the per-thread > reference. > > Tested on: x86 (SMP), alpha, sparc64 > > Revision Changes Path > 1.78 +19 -2 src/sys/alpha/alpha/trap.c > 1.207 +37 -26 src/sys/i386/i386/trap.c > 1.39 +18 -0 src/sys/ia64/ia64/trap.c > 1.178 +2 -1 src/sys/kern/init_main.c > 1.140 +10 -0 src/sys/kern/kern_exit.c > 1.123 +5 -0 src/sys/kern/kern_fork.c > 1.201 +12 -4 src/sys/kern/subr_trap.c > 1.16 +25 -4 src/sys/sparc64/sparc64/trap.c > 1.190 +1 -0 src/sys/sys/proc.h > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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