Messages in this thread | | | Date | Tue, 15 Mar 2011 22:32:25 +0000 | Subject | Re: [PATCH 3/4 v3] smp_call_function_many: handle concurrent clearing of mask | From | Catalin Marinas <> |
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On Tuesday, 15 March 2011, Milton Miller <miltonm@bga.com> wrote: > Mike Galbraith reported finding a lockup ("perma-spin bug") where the > cpumask passed to smp_call_function_many was cleared by other cpu(s) > while a cpu was preparing its call_data block, resulting in no cpu to > clear the last ref and unlock the block.
I missed your patch and just posted something similar. I'll leave it to you then ;)
https://lkml.org/lkml/2011/3/15/296
Catalin
-- Catalin
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