From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Date: Fri, 26 Aug 2005 01:32:34 +0000 Subject: Re: [PATCH 2.6.13-rc7 2/2] completely disable cpu_exclusive sched Message-Id: <430E7132.9060800@yahoo.com.au> List-Id: References: <20050825194750.7341.75723.sendpatchset@jackhammer.engr.sgi.com> <20050825194756.7341.83327.sendpatchset@jackhammer.engr.sgi.com> In-Reply-To: <20050825194756.7341.83327.sendpatchset@jackhammer.engr.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Paul Jackson Cc: torvalds@osdl.org, Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, paulus@samba.org, mingo@elte.hu, hawkes@sgi.com, dino@in.ibm.com Paul Jackson wrote: > At the suggestion of Nick Piggin and Dinakar, totally disable > the facility to allow cpu_exclusive cpusets to define dynamic > sched domains in Linux 2.6.13, in order to avoid problems > first reported by John Hawkes (corrupt sched data structures > and kernel oops). > > This has been built for ppc64, i386, ia64, x86_64, sparc, alpha. > It has been built, booted and tested for cpuset functionality > on an SN2 (ia64). > > Dinakar or Nick - could you verify that it for sure does avoid > the problems Hawkes reported. Hawkes is out of town, and I don't > have the recipe to reproduce what he found. > Thanks Paul, I was never able to reproduce the problem, but I'm sure Dinakar should be able to test. Acked-by: Nick Piggin -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com