[utopic][sru][pull-request] powernv: cpuidle: enable fastsleep and winkle LP: #1400411

[Andy Whitcroft]

On Thu, Jan 22, 2015 at 05:29:07PM +1100, Michael Ellerman wrote:
> On Fri, 2015-01-09 at 12:54 -0600, Chris J Arges wrote:
> > BugLink: http://bugs.launchpad.net/bugs/1400411
> > 
> > --
> > 
> > The following changes since commit 33f25ec7e9c08ac03c87bb08c83c2c3acc79f83c:
> > 
> >   Linux 3.16.7-ckt3 (2015-01-08 16:29:10 +0000)
> > 
> > are available in the git repository at:
> > 
> >   git://kernel.ubuntu.com/arges/ubuntu-utopic.git lp1400411
> > 
> > for you to fetch changes up to 7f0f6e7dca5746c70683eb3ac391a1b5886e13fb:
> > 
> >   powernv/powerpc: Add winkle support for offline cpus (2015-01-09
> > 12:33:18 -0600)
> > 
> > ----------------------------------------------------------------
> > Paul Mackerras (3):
> >       powerpc/powernv: Don't call generic code on offline cpus
> >       powerpc/powernv: Return to cpu offline loop when finished in KVM guest
> >       powerpc/powernv: Switch off MMU before entering nap/sleep/rvwinkle
> > mode
> > 
> > Shreyas B. Prabhu (3):
> >       powerpc/powernv: Enable Offline CPUs to enter deep idle states
> >       powernv/cpuidle: Redesign idle states management
> >       powernv/powerpc: Add winkle support for offline cpus
> 
> There's been two fixes posted related to this:
> 
>   http://patchwork.ozlabs.org/patch/431443/
>   http://patchwork.ozlabs.org/patch/428943/

It does seem that both are under heavy discussion, we will want to wait
till that settles down before considering these.

-apw