Re: [PATCH] pm/sleep: Add PM_USERSPACE_AUTOSLEEP Kconfig

From: Greg KH
Date: Fri Jul 01 2022 - 04:38:49 EST


On Thu, Jun 30, 2022 at 09:49:24PM +0200, Jason A. Donenfeld wrote:
> Hi Kalesh,
>
> On Thu, Jun 30, 2022 at 07:12:29PM +0000, Kalesh Singh wrote:
> > Systems that initiate frequent suspend/resume from userspace
> > can make the kernel aware by enabling PM_USERSPACE_AUTOSLEEP
> > config.
> >
> > This allows for certain sleep-sensitive code (wireguard/rng) to
> > decide on what preparatory work should be performed (or not) in
> > their pm_notification callbacks.
> >
> > This patch was prompted by the discussion at [1] which attempts
> > to remove CONFIG_ANDROID that currently guards these code paths.
> >
> > [1] https://lore.kernel.org/r/20220629150102.1582425-1-hch@xxxxxx/
> >
> > Suggested-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
> > Signed-off-by: Kalesh Singh <kaleshsingh@xxxxxxxxxx>
>
> Thanks, looks good to me. Do you have a corresponding Gerrit link to the
> change adding this to the base Android kernel config? If so, have my
> Ack:
>
> Acked-by: Jason A. Donenfeld <Jason@xxxxxxxxx>

Cool, I'll queue this up and also the CONFIG_ANDROID removal into my
tree now, thanks all for working it out!

greg k-h