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authorKonrad Dybcio <konrad.dybcio@somainline.org>2020-11-05 00:22:11 +0100
committerWill Deacon <will@kernel.org>2020-11-13 10:47:08 +0100
commite3dd11a9f2521cecbcf30c2fd17ecc5a445dfb94 (patch)
tree76a068149b3237115a3bc189d0599ceb3501a954 /arch
parentarm64: Add MIDR value for KRYO2XX gold/silver CPU cores (diff)
downloadlinux-e3dd11a9f2521cecbcf30c2fd17ecc5a445dfb94.tar.xz
linux-e3dd11a9f2521cecbcf30c2fd17ecc5a445dfb94.zip
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 <konrad.dybcio@somainline.org> Link: https://lore.kernel.org/r/20201104232218.198800-3-konrad.dybcio@somainline.org Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/kernel/cpufeature.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index dcc165b3fc04..6f36c4f62f69 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 */ }