Messages in this thread | | | Date | Sun, 6 May 2012 02:49:10 +0300 | Subject | Re: [PATCH RESEND] x86: Avoid contention on cpa_lock if possible | From | Ido Yariv <> |
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On Fri, Apr 20, 2012 at 1:11 AM, Ido Yariv <ido@wizery.com> 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> > ---
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