Re: [regression, 3.16-rc] rwsem: optimistic spinning causing performance degradation

Jason Low
2014-07-05T03:14:30Z

On Fri, 2014-07-04 at 01:53 -0700, Davidlohr Bueso wrote:
> On Fri, 2014-07-04 at 00:06 -0700, Jason Low
> > Subject: [PATCH] rwsem: In rwsem_can_spin_on_owner(), return false if no owner
>
> Could we change the subject to something more descriptive, ie:
>
> rwsem: Allow conservative optimistic spinning for reader/writer paths

Sure, a Subject like this would better explain what is the effect of the
patch.