Re: [PATCH for-stable-5.3 1/2] ACPI/PPTT: Add support for ACPI 6.3 thread flag

[Sasha Levin]

On Tue, Oct 15, 2019 at 09:16:13AM +0100, John Garry wrote:
> On 15/10/2019 00:29, Sasha Levin wrote:
> > On Mon, Oct 14, 2019 at 07:56:01PM +0800, John Garry wrote:
> > > From: Jeremy Linton <jeremy.linton@xxxxxxx>
> > >
> > > Commit bbd1b70639f785a970d998f35155c713f975e3ac upstream.
> > >
> > > ACPI 6.3 adds a flag to the CPU node to indicate whether
> > > the given PE is a thread. Add a function to return that
> > > information for a given linux logical CPU.
> > >
> > > Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
> > > Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx>
> > > Reviewed-by: Robert Richter <rrichter@xxxxxxxxxxx>
> > > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> > > Signed-off-by: Will Deacon <will@xxxxxxxxxx>
> > > Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
> >
> > How far back should these patches be backported?
>
> Hi Sasha,
>
> This patchset is for 5.3, and I sent a separate patchset for 4.19, 
> since the backport is a little different and required some hand 
> modification -
>
> https://lore.kernel.org/linux-arm-kernel/1571046986-231263-1-git-send-email-john.garry@xxxxxxxxxx/. 
> 4.19 is as far back as we want.
>
> Please note that the patches in this 5.3 series are relevant for 5.2 
> also, but since 5.2 is EOL, I didn't mention it. We did test 5.2, so 
> you can add there also.
>
> Please let me know if any more questions.

I've queued this and the 4.19 patches, thanks!

--
Thanks,
Sasha