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SubjectRe: [PATCH -tip v2 4/7] locking/mutex: Refactor optimistic spinning code
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On Wed, 2014-07-30 at 13:41 -0700, Davidlohr Bueso wrote:
> When we fail to acquire the mutex in the fastpath, we end up calling
> __mutex_lock_common(). A *lot* goes on in this function. Move out the
> optimistic spinning code into mutex_optimistic_spin() and simplify
> the former a bit. Furthermore, this is similar to what we have in
> rwsems. No logical changes.
>
> Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>

Acked-by: Jason Low <jason.low2@hp.com>



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