[PATCH] pm/sleep: Add PM_USERSPACE_AUTOSLEEP Kconfig

Greg KH gregkh at linuxfoundation.org
Fri Jul 1 08:38:30 UTC 2022


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@lst.de/
> > 
> > Suggested-by: Jason A. Donenfeld <Jason at zx2c4.com>
> > Signed-off-by: Kalesh Singh <kaleshsingh at google.com>
> 
> 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 at zx2c4.com>

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


More information about the WireGuard mailing list