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    SubjectRe: [PATCH] perf_events: fix bogus warn_on(_once) in perf_prepare_sample()
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    On Thu, 2010-04-08 at 23:08 +0200, Stephane Eranian wrote:
    >
    > > There's various things that do indeed rely on the perf buffer to always
    > > be u64 aligned, so this warning isn't bogus at all.
    > >
    > I assume this has to do with the wrap-around detection.

    Nah, mostly dealing with architectures that don't do well with unaligned
    accesses.



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