Messages in this thread | | | Date | Thu, 14 Aug 2008 15:51:22 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] sched: fix rt-bandwidth hotplug race |
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* Peter Zijlstra <peterz@infradead.org> wrote:
> Subject: sched: fix rt-bandwidth hotplug race > From: Peter Zijlstra <a.p.zijlstra@chello.nl> > Date: Thu Aug 14 15:42:44 CEST 2008 > > When we hot-unplug a cpu and rebuild the sched-domain, all cpus will be > detatched. Alex observed the case where a runqueue was stealing bandwidth > from an already disabled runqueue to satisfy its own needs. > > Stop this by skipping over already disabled runqueues. > > Reported-by: Alex Nixon <alex.nixon@citrix.com> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> > Tested-by: Alex Nixon <alex.nixon@citrix.com>
applied to tip/sched/urgent - thanks!
Ingo
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