* Rafael J. Wysocki <r...@rjwysocki.net> wrote:
> On Monday, May 09, 2016 04:53:16 PM Steve Muckle wrote:
> > On Sat, May 07, 2016 at 08:30:51AM +0200, Ingo Molnar wrote:
> > >
> > > * Peter Zijlstra <pet...@infradead.org> wrote:
> > >
> > > > On Fri, May 06, 2016 at 02:58:43PM +0200, Rafael J. Wysocki wrote:
> > > > > From: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
> > > > >
> > > > > Commit 34e2c555f3e1 (cpufreq: Add mechanism for registering
> > > > > utilization
> > > > > update callbacks) overlooked the fact that update_load_avg(), where
> > > > > CFS invokes cpufreq utilization update hooks, becomes an empty stub
> > > > > for
> > > > > CONFIG_SMP unset. In consequence, if CONFIG_SMP is not set, cpufreq
> > > > > governors are never invoked from CFS and they do not have a chance to
> > > > > evaluate CPU performace levels and update them often enough. Needless
> > > > > to say, things don't work as expected then.
> > > > >
> > > > > Fix the problem by making the !CONFIG_SMP stub of update_load_avg()
> > > > > invoke cpufreq update hooks too.
> > > > >
> > > > > Fixes: 34e2c555f3e1 (cpufreq: Add mechanism for registering
> > > > > utilization update callbacks)
> > > > > Reported-by: Steve Muckle <steve.muc...@linaro.org>
> > > > > Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
> > > >
> > > > Rafael; feel free to push this through the pm tree.
> > > >
> > > > Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org>
> > >
> > > I already have it in sched/urgent.
> >
> > Looks like this just missed 4.6-rc7 and the release email for
> > that doesn't suggest an rc8, as it stands...
>
> But the final 4.6 will be released on Sunday or so and there are a few days
> left
> still.
Yeah, I'll send the sched/urgent bits to Linus later today.
Thanks,
Ingo
