Re: 2.5.5 on Sparc, Ughh...

Robert Love <[email protected]> Thu, 21 Feb 2002 16:52:08 +0000

Newsgroups	org.kernel.vger.ultralinux
Message-ID	<marc-linux-ultrasparc-101431036622004@msgid-missing>

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