From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Love Date: Thu, 21 Feb 2002 16:52:08 +0000 Subject: Re: 2.5.5 on Sparc, Ughh... Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ultralinux@vger.kernel.org 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