Re: sched_yield: delete sysctl_sched_compat_yield

[Ingo Molnar]

* Zhang, Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx> wrote:

> If echo "1">/proc/sys/kernel/sched_compat_yield before starting 
> volanoMark testing, the result is very good with kernel 2.6.24-rc3 on 
> my 16-core tigerton.

yep, that's known and has been discussed in detail on lkml. Java should 
use something more suitable than sched_yield for its locking. Yield will 
always be dependent on scheduling details and _some_ category of apps 
will always hurt. That's why we offer the sched_compat_yield flag.

	Ingo
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