arm64: proton-pack: Add KRYO2XX silver CPUs to spectre-v2 safe-list

KRYO2XX silver (LITTLE) CPUs are based on Cortex-A53
and they are not affected by spectre-v2.

Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Link: https://lore.kernel.org/r/20201104232218.198800-4-konrad.dybcio@somainline.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index c18eb7d..f6e4e37 100644 (file)
--- a/arch/arm64/kernel/proton-pack.c
+++ b/arch/arm64/kernel/proton-pack.c
@@ -118,6 +118,7 @@ static enum mitigation_state spectre_v2_get_cpu_hw_mitigation_state(void)
                MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
                MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
                MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
+               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 */ }