Re: [PATCH 2/2] s390/topology: add drawer scheduling domain level

Peter Zijlstra
2016-06-13T11:33:06Z

On Mon, Jun 13, 2016 at 01:25:53PM +0200, Heiko Carstens wrote:
> On Mon, Jun 13, 2016 at 01:06:21PM +0200, Peter Zijlstra wrote:
> > On Wed, Jun 08, 2016 at 11:09:16AM +0200, Heiko Carstens wrote:
> > > The z13 machine added a fourth level to the cpu topology
> > > information. The new top level is called drawer.
> > >
> > > A drawer contains two books, which used to be the top level.
> > >
> > > Adding this additional scheduling domain did show performance
> > > improvements for some workloads of up to 8%, while there don't
> > > seem to be any workloads impacted in a negative way.
> >
> > Right; so no objection.
> >
> > Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
>
> May I add your ACK also to the sysfs patch?

Not really my area, nor something I've ever looked hard at, but the
patch seems to have the right shape, so sure ;-)