linux-kernel - Re: [PATCH] arm64: kpti: Add KRYO{3,4}XX silver CPU cores to kpti safelist

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Message-ID: <CAD=FV=UAa7RNsHJem1pPT-FAWfSzSzfBsd9aeMg_Ty6CH5jP2g@mail.gmail.com>
Date:   Wed, 24 Jun 2020 06:54:20 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>
Subject: Re: [PATCH] arm64: kpti: Add KRYO{3,4}XX silver CPU cores to kpti safelist

Hi,

On Wed, Jun 24, 2020 at 5:34 AM Sai Prakash Ranjan
<saiprakash.ranjan@...eaurora.org> wrote:
>
> QCOM KRYO{3,4}XX silver/LITTLE CPU cores are based on Cortex-A55
> and are meltdown safe, hence add them to kpti_safe_list[].
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
> ---
>  arch/arm64/kernel/cpufeature.c | 2 ++
>  1 file changed, 2 insertions(+)

Reported-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Tested-by: Douglas Anderson <dianders@...omium.org>