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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20180113121026.4gywnkjlxy5wjaga@armageddon.cambridge.arm.com>
Date:   Sat, 13 Jan 2018 12:10:26 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     Will Deacon <will.deacon@....com>, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3] arm64: cpu_errata: Add Kryo to Falkor 1003 errata

On Tue, Jan 09, 2018 at 01:22:12PM -0800, Stephen Boyd wrote:
> 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.

I picked it up now but I'll push it tomorrow or Monday (still running
some tests on the unpushed patches).

-- 
Catalin