From owner-cvs-all  Fri Oct 26 10:13:38 2001
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Date: Fri, 26 Oct 2001 13:13:06 -0400 (EDT)
From: Robert Watson <rwatson@FreeBSD.org>
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To: John Baldwin <jhb@FreeBSD.org>
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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
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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
> 


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