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    SubjectRe: [PATCH 3/4 v3] smp_call_function_many: handle concurrent clearing of mask
    On Tuesday, 15 March 2011, Milton Miller <> 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 ;)



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