Re: [PATCH 0/6] PM / sleep: Support for quiescing timers during suspend-to-idle

Peter Zijlstra
2015-02-13T08:13:42Z

On Wed, Feb 11, 2015 at 05:00:15AM +0100, Rafael J. Wysocki wrote:
> Hi,
>
> This series adds support for quiescing timers during the last state of
> suspend-to-idle transitions.
>
> Patches [1-4/6] together are functionally equivalent to the combo RFC patch
> I sent last time (http://marc.info/?l=linux-kernel&m=142344909201464&w=4).
>
> Patches [5-6/6] add ->enter_freeze callback implementations to intel_idle
> and the ACPI cpuidle driver.
>
> [1/6] - Rework the suspend-to-idle "mechanics" in preparation for the subsequent
> changes. The existing functionality should not change after this.
> [2/6] - Modify update_fast_timekeeper() to take struct tk_read_base pointers as
> arguments.
> [3/6] - Make it safe to use the fast timekeeper while suspended.
> [4/6] - Support for quiescing timers during suspend-to-idle (core part).
> [5/6] - ->enter_freeze callback for intel_idle.
> [6/6] - ->enter_freeze callback for ACPI cpuidle.
>
> This works as expected on everything I have in my office and can readily test.
>
> The patches should apply without any problems on top of the current Linus' tree.

Thanks for the updates, looks good to me.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>