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    SubjectRe: [PATCH 4/5] kgdb: Use atomic operators which use barriers
    On Fri, Apr 02, 2010 at 12:43:00PM -0700, Linus Torvalds wrote:
    > Russell is wrong.

    Actually, in future threads you end up agreeing with my position...

    > The fact that maybe some ARM6 cache coherency implementation is pure and
    > utter sh*t and never sees the changes without the same instruction that
    > happens to be a memory barrier on that architecture does not make that
    > cpu_relax() any more about memory barriers.

    I'm not going to discuss it now; I'm on holiday. Wait until mid-next
    week on this and I'll respond with a fuller reply.

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      Last update: 2010-04-03 00:29    [W:0.018 / U:175.804 seconds]
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