Re: [PATCH -tip 04/32] sched: Core-wide rq->lock

2020-11-25 Thread Balbir Singh
On Tue, Nov 24, 2020 at 09:16:17AM +0100, Peter Zijlstra wrote: > On Sun, Nov 22, 2020 at 08:11:52PM +1100, Balbir Singh wrote: > > On Tue, Nov 17, 2020 at 06:19:34PM -0500, Joel Fernandes (Google) wrote: > > > From: Peter Zijlstra > > > > > > Introduce the basic infrastructure to have a core

Re: [PATCH -tip 04/32] sched: Core-wide rq->lock

2020-11-24 Thread Peter Zijlstra
On Sun, Nov 22, 2020 at 08:11:52PM +1100, Balbir Singh wrote: > On Tue, Nov 17, 2020 at 06:19:34PM -0500, Joel Fernandes (Google) wrote: > > From: Peter Zijlstra > > > > Introduce the basic infrastructure to have a core wide rq->lock. > > > > Reading through the patch, it seems like all the

Re: [PATCH -tip 04/32] sched: Core-wide rq->lock

2020-11-22 Thread Balbir Singh
On Tue, Nov 17, 2020 at 06:19:34PM -0500, Joel Fernandes (Google) wrote: > From: Peter Zijlstra > > Introduce the basic infrastructure to have a core wide rq->lock. > Reading through the patch, it seems like all the CPUs have to be running with sched core enabled/disabled? Is it possible to