From: Konrad Dybcio Date: Wed, 4 Nov 2020 23:22:11 +0000 (+0100) Subject: arm64: kpti: Add KRYO2XX gold/silver CPU cores to kpti safelist X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e3dd11a9f2521cecbcf30c2fd17ecc5a445dfb94;p=linux.git arm64: kpti: Add KRYO2XX gold/silver CPU cores to kpti safelist QCOM KRYO2XX gold (big) silver (LITTLE) CPU cores are based on Cortex-A73 and Cortex-A53 respectively and are meltdown safe, hence add them to kpti_safe_list[]. Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20201104232218.198800-3-konrad.dybcio@somainline.org Signed-off-by: Will Deacon --- diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index dcc165b3fc046..6f36c4f62f694 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1337,6 +1337,8 @@ 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_2XX_GOLD), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_2XX_SILVER), MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), { /* sentinel */ }