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

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Date:   Mon, 14 Oct 2019 19:29:58 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     John Garry <john.garry@...wei.com>
Cc:     stable@...r.kernel.org, catalin.marinas@....com, will@...nel.org,
        rjw@...ysocki.net, lenb@...nel.org, sudeep.holla@....com,
        rrichter@...vell.com, jeremy.linton@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linuxarm@...wei.com,
        gregkh@...uxfoundation.org, guohanjun@...wei.com,
        wanghuiqiang@...wei.com
Subject: Re: [PATCH for-stable-5.3 1/2] ACPI/PPTT: Add support for ACPI 6.3
 thread flag

On Mon, Oct 14, 2019 at 07:56:01PM +0800, John Garry wrote:
>From: Jeremy Linton <jeremy.linton@....com>
>
>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@....com>
>Reviewed-by: Sudeep Holla <sudeep.holla@....com>
>Reviewed-by: Robert Richter <rrichter@...vell.com>
>Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>Signed-off-by: Will Deacon <will@...nel.org>
>Signed-off-by: John Garry <john.garry@...wei.com>

How far back should these patches be backported?

-- 
Thanks,
Sasha