linux-kernel - Re: [RFC v1 0/8] acpi/x86: s2idle: Introduce and implement runtime standby ABI for ACPI s0ix platforms

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Message-ID: 
 <CAGwozwHLkL5xAXzaKoTyLCGzNjjHUf+bNu8qo+-Tpex7NK6=GA@mail.gmail.com>
Date: Tue, 13 Jan 2026 12:11:33 +0200
From: Antheas Kapenekakis <lkml@...heas.dev>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>
Cc: bob.beckett@...labora.com, bookeldor@...il.com, hadess@...ess.net,
	jaap@...tsma.org, kernel@...labora.com, lennart@...ttering.net,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org, mccann@....edu,
	rafael@...nel.org, richard@...hsie.com, sebastian.reichel@...labora.com,
	superm1@...nel.org, systemd-devel@...ts.freedesktop.org, xaver.hugl@...il.com
Subject: Re: [RFC v1 0/8] acpi/x86: s2idle: Introduce and implement runtime
 standby ABI for ACPI s0ix platforms

On Tue, 13 Jan 2026 at 11:50, Dmitry Osipenko
<dmitry.osipenko@...labora.com> wrote:
>
> Hello,
>
> On 1/12/26 23:33, Antheas Kapenekakis wrote:
> > On Fri, 26 Dec 2025 at 12:27, Antheas Kapenekakis <lkml@...heas.dev> wrote:
> >>
> >> This series introduces a new runtime standby ABI to allow firing Modern
> >> Standby firmware notifications that modify hardware appearance from userspace
> >> without suspending the kernel. This allows userspace to set the inactivity
> >> state of the device so that it looks like it is asleep (e.g., flashing the
> >> power button) while still being able to perform basic computations.
> >>
> >> snip
> >>
> >> base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578
> >> --
> >> 2.52.0
> >>
> >
> > Happy new year everyone
> >
> > Small bump on this as all of us are starting to get back from holidays
> >
> > I still have to bump an asus series before I get back to this. I would
> > appreciate some feedback in the interim.
> >
> > I think targeting 6.20/7.0? is unrealistic so there is no rush from my side
> >
> > Antheas
>
> Thanks a lot for sending these patches! I briefly looked through them
> last week and will make another iteration soon.

Hi Dmitry,
can you expand a bit on your use-case/KPIs/timeline for your series?

Is it handhelds/laptops or what is the intended use-case?

[2] before the rewrite had been tested on most handheld makes and SKUs
(over 70 models) and laptop manufacturers and it performs as expected.
As it is multiple months of research I'd like to get some credit for it.

Happy to collaborate in any case, especially if you will log hours on
this and can push a variant through faster. I am not sure if starting
from scratch is worthwhile for either of us

Best,
Antheas


> --
> Best regards,
> Dmitry
>