lkml.org 
[lkml]   [2020]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.7 038/166] arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist
    Date
    From: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>

    [ Upstream commit f4617be35b4b547e82d30993f56d631dfc2d5f88 ]

    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@codeaurora.org>
    Link: https://lore.kernel.org/r/20200624123406.3472-1-saiprakash.ranjan@codeaurora.org
    Signed-off-by: Will Deacon <will@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    arch/arm64/kernel/cpufeature.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
    index 9fac745aa7bb2..b0fb1d5bf2235 100644
    --- a/arch/arm64/kernel/cpufeature.c
    +++ b/arch/arm64/kernel/cpufeature.c
    @@ -1059,6 +1059,8 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
    MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
    MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
    MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL),
    + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER),
    + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER),
    { /* sentinel */ }
    };
    char const *str = "kpti command line option";
    --
    2.25.1


    \
     
     \ /
      Last update: 2020-07-14 21:06    [W:4.123 / U:0.016 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site