linux-kernel - Re: [PATCH 3/3] arm64: Add KRYO4XX silver CPU cores to erratum list 1530923 and 1024718

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Message-ID: <20200703135515.GA19230@willie-the-truck>
Date:   Fri, 3 Jul 2020 14:55:15 +0100
From:   Will Deacon <will@...nel.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mark Rutland <mark.rutland@....com>,
        Douglas Anderson <dianders@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Andre Przywara <andre.przywara@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, Jeffrey Hugo <jhugo@...eaurora.org>
Subject: Re: [PATCH 3/3] arm64: Add KRYO4XX silver CPU cores to erratum list
 1530923 and 1024718

On Tue, Jun 30, 2020 at 11:30:55PM +0530, Sai Prakash Ranjan wrote:
> KRYO4XX silver/LITTLE CPU cores with revision r1p0 are affected by
> erratum 1530923 and 1024718, so add them to the respective list.
> The variant and revision bits are implementation defined and are
> different from the their Cortex CPU counterparts on which they are
> based on, i.e., r1p0 is equivalent to rdpe.

So just to confirm, revisions prior to rdpe are unaffected, or do those
parts simply not exist?

Cheers,

Will