Re: 2.5.5 on Sparc, Ughh...

From: Robert Love (rml@tech9.net)
Date: Thu Feb 21 2002 - 11:52:08 EST


On Thu, 2002-02-21 at 03:04, george anzinger wrote:

> Uh, Dave, could you expound a bit on why you need a preemption lock
> around the notify parent/ schedule code? We have not found this to be
> needed on other archs, but maybe we missed something.

2.5 has diverged from the "patch" version of the code. We removed the
PREEMPT_ACTIVE flag and thus have a race against parent/wake up. All
arches disable preemption there.

        Robert Love

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