Re: [LKP] [lkp] [locking/mutexes] cb4bbc457b: -40.0% unixbench.score

From: Paul E. McKenney
Date: Mon Jan 25 2016 - 01:05:27 EST

On Mon, Jan 25, 2016 at 09:23:59AM +0800, Huang, Ying wrote:
> Davidlohr Bueso <dave@xxxxxxxxxxxx> writes:
> > On Fri, 22 Jan 2016, kernel test robot wrote:
> >
> >>FYI, we noticed the below changes on
> >>
> >>
> >> Ding-Tianhong/locking-mutexes-don-t-spin-on-owner-when-wait-list-is-not-NULL/20160121-173317
> >>commit cb4bbc457bfed6194ffab1b10c7be73b3f16ca2d ("locking/mutexes: don't spin on owner when wait list is not NULL.")
> >
> > I'm not sure why this would even be reported, as this patch has not been accepted
> > or acked or nothin', by anyone.
> Sorry for bothering. The purpose is FYI as in the original report
> email. We test patches posted to LKML, if we found some changes related
> to the patch, we will send out a report. Hope the reviewer could
> take that as information for his/her review if the report isn't totally
> nonsense.

For me, the 0day reports on LKML postings have been quite helpful. They
give the submitter immediate feedback on a number of issues, thus reducing
the number of rounds of review.

Thanx, Paul