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

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Message-ID: <87ftweuocm.fsf@vitty.brq.redhat.com>
Date:   Tue, 06 Nov 2018 18:07:05 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Jiri Kosina <jikos@...nel.org>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, kys@...rosoft.com,
        haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hyper-v: Fix wakeup from suspend-to-idle

"Rafael J. Wysocki" <rafael@...nel.org> writes:

> On Mon, Sep 24, 2018 at 11:24 AM Jiri Kosina <jikos@...nel.org> 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@...hat.com>
>> > ---
>> >  drivers/hid/hid-hyperv.c              | 2 +-
>>
>>         Acked-by: Jiri Kosina <jkosina@...e.cz>
>>
>> for the above. I guess this'd better go through ACPI tree?
>
> No problem with that if you prefer.
>

It seems this patch got lost somewhere :-( 

-- 
Vitaly