ACK / APPLIED[B]: [PATCH 0/4][Bionic][SRU Artful] Add support for PCC subspace IDs to the ACPI CPPC driver

[Seth Forshee]

On Thu, Feb 01, 2018 at 08:53:39AM -0700, dann frazier wrote:
> On Mon, Jan 29, 2018 at 7:17 AM, Seth Forshee
> <seth.forshee at canonical.com> wrote:
> > On Tue, Jan 23, 2018 at 12:29:43PM -0700, dann frazier wrote:
> >> BugLink: https://bugs.launchpad.net/bugs/1745007
> >>
> >> This is required for supporting Cavium ThunderX2 systems. All clean
> >> cherry-picks from upstream.
> >
> > From the SRU justifcation on the bug - "Regressions would therefore be
> > restricted to platforms that support ACPI CPPC power management." Do you
> > know which archtectures that would affect?
> 
> The cppc-cpufreq driver is ARM-only, but the underlying CPPC code is
> also used by the intel-pstate driver.
> 
> > If this includes any besides
> > arm64, has any regression testing been done on those?
> 
> Now it has - I've tested on my laptop (fiddling with settings under
> /sys/devices/system/cpu/intel_pstate), and observed no regression.

Thanks for testing.

Acked-by: Seth Forshee <seth.forshee at canonical.com>

Applied to boinic/master-next, thanks!