Messages in this thread | | | Date | Wed, 31 Jul 2013 12:05:05 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 17/18] sched: Retry migration of tasks to CPU on a preferred node |
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On Wed, Jul 31, 2013 at 11:03:31AM +0100, Mel Gorman wrote: > On Thu, Jul 25, 2013 at 12:33:52PM +0200, Peter Zijlstra wrote: > > > > Subject: stop_machine: Introduce stop_two_cpus() > > From: Peter Zijlstra <peterz@infradead.org> > > Date: Sun Jul 21 12:24:09 CEST 2013 > > > > Introduce stop_two_cpus() in order to allow controlled swapping of two > > tasks. It repurposes the stop_machine() state machine but only stops > > the two cpus which we can do with on-stack structures and avoid > > machine wide synchronization issues. > > > > Signed-off-by: Peter Zijlstra <peterz@infradead.org> > > Clever! I did not spot any problems so will be pulling this (and > presumably the next patch) into the series. Thanks!
You mean aside from the glaring lack of hotplug handling? :-)
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