Messages in this thread | | | Subject | Re: [PATCH -tip v2 4/7] locking/mutex: Refactor optimistic spinning code | From | Jason Low <> | Date | Wed, 30 Jul 2014 17:56:41 -0700 |
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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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