Re: Call for testers, significant sched_lock patch.

From: Pieter de Goeje <pieter_at_degoeje.nl>
Date: Sat, 2 Jun 2007 16:36:56 +0200
On Friday 01 June 2007, Jeff Roberson wrote:
> I am going to commit a patch that goes significantly towards decomposing
> the scheduler lock into per-cpu scheduler locks.  Before this, I would
> like it if a few more people would run it under more circumstances than I
> have.  The patch is available at:
>
> http://people.freebsd.org/~jeff/threadlock.diff
>
I can't get the kernel to build after applying this patch (sources updated 
today):

cc -c -O -pipe -march=athlon-mp -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include 
opt_global.h -fno-common -finline-limit=8000 --param 
inline-unit-growth=100 --param 
large-function-growth=1000  -mno-align-long-strings -mpreferred-stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -ffreestanding   /usr/src/sys/kern/kern_mutex.c
/usr/src/sys/kern/kern_mutex.c: In function '_mtx_lock_spin_failed':
/usr/src/sys/kern/kern_mutex.c:496: warning: no previous prototype 
for '_thread_lock_flags'
/usr/src/sys/kern/kern_mutex.c:539: warning: no previous prototype 
for 'thread_lock_block'
/usr/src/sys/kern/kern_mutex.c:553: warning: no previous prototype 
for 'thread_lock_unblock'
/usr/src/sys/kern/kern_mutex.c:562: warning: no previous prototype 
for 'thread_lock_set'
/usr/src/sys/kern/kern_mutex.c:580: warning: no previous prototype 
for '_mtx_unlock_sleep'
/usr/src/sys/kern/kern_mutex.c:759: warning: no previous prototype 
for 'mtx_sysinit'
/usr/src/sys/kern/kern_mutex.c:773: warning: no previous prototype 
for 'mtx_init'
/usr/src/sys/kern/kern_mutex.c:817: warning: no previous prototype 
for 'mtx_destroy'
/usr/src/sys/kern/kern_mutex.c:846: warning: no previous prototype 
for 'mutex_init'
/usr/src/sys/kern/kern_mutex.c:869: warning: no previous prototype 
for 'db_show_mtx'
/usr/src/sys/kern/kern_mutex.c:905: error: expected declaration or statement 
at end of input
*** Error code 1

Stop in /usr/obj/usr/src/sys/NOX.
*** Error code 1

Stop in /usr/src.
*** Error code 1

Stop in /usr/src.


- Pieter de Goeje
Received on Sat Jun 02 2007 - 12:37:12 UTC

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