On Sat, Apr 15, 2006 at 03:45:38PM -0700, Martin J. Bligh wrote:
> CONFIG_DEBUG_MUTEXES has a significant performant impact (reduced perf
> of reaim by 50% on ia32 NUMA boxes). It should not be on by default.
>
> Signed-off-by: Martin J. Bligh <[email protected]>
>
>
> diff -aurpN -X /home/mbligh/.diff.exclude linux-2.6.17-rc1/lib/Kconfig.debug 2.6.17-rc1_no_mutex_dbg/lib/Kconfig.debug
> --- linux-2.6.17-rc1/lib/Kconfig.debug 2006-04-15 15:28:54.000000000 -0700
> +++ 2.6.17-rc1_no_mutex_dbg/lib/Kconfig.debug 2006-04-15 15:44:14.000000000 -0700
> @@ -101,7 +101,7 @@ config DEBUG_PREEMPT
>
> config DEBUG_MUTEXES
> bool "Mutex debugging, deadlock detection"
> - default y
> + default n
>...
> config DEBUG_SPINLOCK
> bool "Spinlock debugging"
> + default n
>...
"default n" has no effect and can be removed.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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