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    SubjectRe: [PATCH] fix workqueue oops during cpu offline
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    On Thu, 2006-01-05 at 15:58 +1000, Nigel Cunningham wrote:
    > Hi.
    >
    > On Thursday 05 January 2006 14:58, Nathan Lynch wrote:
    > > With 2.6.15, powerpc systems oops when cpu 0 is offlined. This is a
    > > regression from 2.6.14, caused by commit id
    > > bce61dd49d6ba7799be2de17c772e4c701558f14 ("Fix hardcoded cpu=0 in
    > > workqueue for per_cpu_ptr() calls").
    >
    > So it's valid on ppc for cpu 0 to be taken offline? IIRC, trying that on my P4
    > a while back did nothing. I think you'll find other places that assume that
    > cpu 0 is always up (swsusp? ... I should check suspend2).

    It's bogus, cpu0 can be put offline.

    Ben.


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