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    SubjectRe: [RFC][PATCH 6/8] mm: handle_speculative_fault()
    On Fri, 8 Jan 2010, Linus Torvalds wrote:

    > We worried about the effects of fair spinlocks when introducing the ticket
    > locks, but nobody ever actually had a load that seemed to indicate it made
    > much of a difference, and we did have a few cases where starvation was a
    > very noticeable problem.

    And I made the point that starvation was a hardware issue due to immature
    cacheline handling. Now the software patchup job for the hardware breakage
    is causing regressions for everyone.

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      Last update: 2010-01-08 23:29    [W:0.023 / U:2.624 seconds]
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