Re: [Intel-gfx] [PATCH] [RFC] kernel/cpu: Use lockref for online CPU reference counting

From: Peter Zijlstra
Date: Wed Feb 17 2016 - 11:37:56 EST


On Wed, Feb 17, 2016 at 05:33:51PM +0100, Daniel Vetter wrote:
> On Wed, Feb 17, 2016 at 05:14:57PM +0100, Peter Zijlstra wrote:
> > On Wed, Feb 17, 2016 at 05:13:21PM +0100, Daniel Vetter wrote:
> > > And for context we're hitting this on CI in a bunch of our machines, which
> >
> > What's CI ?
>
> Continuous integration, aka our own farm of machines dedicated to running
> i915.ko testcases. Kinda like 0day (it does pre-merge testing on the m-l
> and also post-merge on our own little integration tree), but for just the
> graphics team and our needs.

So what patch triggered this new issue? Did cpufreq change or what?