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DateThu, 19 Nov 2009 14:22:59 +0100 (CET)
FromThomas Gleixner <>
SubjectRe: yield() in i2c non-happy paths hits BUG under -rt patch
On Thu, 19 Nov 2009, Peter Zijlstra wrote:

> On Thu, 2009-11-19 at 14:11 +0100, Thomas Gleixner wrote:
> > > You say "NOOP by default", does this imply there is a way to change
> > > this?
> >
> > There is a sysctl: sysctl_sched_compat_yield
>
> This makes yield() place current behind all other tasks, and sucks too
> for some workloads.

yield() sucks anyway, so it depends which flavour of suckage you
prefer.

tglx


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