linux-kernel - Re: [PATCH][RESEND] Input: hyperv-keyboard: Add the support of hibernation

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Message-ID: <20200111162657.GJ1706@sasha-vm>
Date:   Sat, 11 Jan 2020 11:26:57 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        dmitry.torokhov@...il.com, linux-hyperv@...r.kernel.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        mikelley@...rosoft.com, Alexander.Levin@...rosoft.com
Subject: Re: [PATCH][RESEND] Input: hyperv-keyboard: Add the support of
 hibernation

On Mon, Jan 06, 2020 at 02:40:44PM -0800, Dexuan Cui wrote:
>Add suspend() and resume() functions so the Hyper-V virtual keyboard
>can participate in VM hibernation.
>
>Note that the keyboard is a "wakeup" device that could abort an in-progress
>hibernation if there is keyboard event.  No attempt is made to suppress this
>behavior.  If desired, a sysadmin can disable the keyboard as a wakeup device
>using standard mechanisms such as:
>
>echo disabled > /sys/bus/vmbus/drivers/hyperv_keyboard/XXX/power/wakeup
>(where XXX is the device's GUID)
>
>Reviewed-by:  Michael Kelley <mikelley@...rosoft.com>
>Signed-off-by: Dexuan Cui <decui@...rosoft.com>
>---
>
>This is a RESEND of https://lkml.org/lkml/2019/11/24/115 .
>
>Please review.
>
>If it looks good, Sasha Levin, can you please pick it up via the
>hyperv/linux.git tree, as you did last time for this driver?

This will need an ack from the input driver maintainers, unless they
want to give a blanket ack to this type of patches.

-- 
Thanks,
Sasha