Messages in this thread | | | Subject | Re: [PATCH 2/2] mm: page allocator: Do not drain per-cpu lists via IPI from page allocator context | From | Peter Zijlstra <> | Date | Thu, 12 Jan 2012 16:18:12 +0100 |
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On Wed, 2012-01-11 at 10:11 +0000, Mel Gorman wrote: > At least one bug report has > been seen on ppc64 against a 3.0 era kernel that looked like a bug > receiving interrupts on a CPU being offlined.
Got details on that Mel? The preempt_disable() in on_each_cpu() should serialize against the stop_machine() crap in unplug.
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