Re: [PATCH RFC] locking/mutexes: don't spin on owner when wait list is not NULL.

From: Paul E. McKenney
Date: Thu Jan 21 2016 - 22:14:09 EST


On Thu, Jan 21, 2016 at 06:48:54PM -0800, Davidlohr Bueso wrote:
> On Thu, 21 Jan 2016, Paul E. McKenney wrote:
>
> >I did some testing, which exposed it to the 0day test robot, which
> >did note some performance differences. I was hoping that it would
> >clear up some instability from other patches, but no such luck. ;-)
>
> Oh, that explains why we got a performance regression report :)

Plus I suspected that you wanted some extra email. ;-)

Thanx, Paul