Re: [PATCH] hyper-v: Fix wakeup from suspend-to-idle

From: Rafael J. Wysocki
Date: Mon Sep 24 2018 - 18:49:30 EST


On Mon, Sep 24, 2018 at 11:24 AM Jiri Kosina <jikos@xxxxxxxxxx> wrote:
>
> On Wed, 12 Sep 2018, Vitaly Kuznetsov wrote:
>
> > It makes little sense but still possible to put Hyper-V guests into
> > suspend-to-idle state. To wake them up two wakeup sources were registered
> > in the past: hyperv-keyboard and hid-hyperv. However, since
> > commit eed4d47efe95 ("ACPI / sleep: Ignore spurious SCI wakeups from
> > suspend-to-idle") pm_wakeup_event() from these devices is ignored. Switch
> > to pm_wakeup_hard_event() API as these devices are actually the only
> > possible way to wakeup Hyper-V guests.
> >
> > Fixes: eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle)
> > Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
> > ---
> > drivers/hid/hid-hyperv.c | 2 +-
>
> Acked-by: Jiri Kosina <jkosina@xxxxxxx>
>
> for the above. I guess this'd better go through ACPI tree?

No problem with that if you prefer.

Cheers,
Rafael