linux-kernel - Re: [PATCH v3] arm64: cpu_errata: Add Kryo to Falkor 1003 errata

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Message-ID: <20180109212212.GD21040@codeaurora.org>
Date:   Tue, 9 Jan 2018 13:22:12 -0800
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Will Deacon <will.deacon@....com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] arm64: cpu_errata: Add Kryo to Falkor 1003 errata

On 12/14, Will Deacon wrote:
> On Wed, Dec 13, 2017 at 02:19:37PM -0800, Stephen Boyd wrote:
> > The Kryo CPUs are also affected by the Falkor 1003 errata, so
> > we need to do the same workaround on Kryo CPUs. The MIDR is
> > slightly more complicated here, where the PART number is not
> > always the same when looking at all the bits from 15 to 4. Drop
> > the lower 8 bits and just look at the top 4 to see if it's '2'
> > and then consider those as Kryo CPUs. This covers all the
> > combinations without having to list them all out.
> > 
> > Fixes: 38fd94b0275c ("arm64: Work around Falkor erratum 1003")
> > Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> > ---
> 
> Acked-by: Will Deacon <will.deacon@....com>
> 
> Thanks for respinning this. Catalin -- can you take this for 4.16, please?
> 

Can this get picked up? I don't see it in linux-next yet.

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