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    SubjectRe: [PATCH RESEND] x86: Avoid contention on cpa_lock if possible
    On Fri, Apr 20, 2012 at 01:11:32AM +0300, Ido Yariv wrote:
    > From: Shai Fultheim <shai@scalemp.com>
    >
    > Some architectures (e.g. vSMP) do not require to serialize cpa, for
    > instance, by guaranteeing that the most recent TLB entry will always be
    > used.
    >
    > To avoid needless contention on cpa_lock, do not lock/unlock it on such
    > architectures.
    >
    > Signed-off-by: Shai Fultheim <shai@scalemp.com>
    > [ido@wizery.com: added should_serialize_cpa, handled potential race, and
    > reworded the commit message]
    > Signed-off-by: Ido Yariv <ido@wizery.com>
    > ---

    Ping?

    Thanks,
    Ido.


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