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[3/4] arm64: proton-pack: Add KRYO2XX silver CPUs to spectre-v2 safe-list

Message ID 20201104232218.198800-4-konrad.dybcio@somainline.org (mailing list archive)
State New, archived
Headers show
Series Add KRYO2XX Errata / mitigations data | expand

Commit Message

Konrad Dybcio Nov. 4, 2020, 11:22 p.m. UTC 
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>
---
 arch/arm64/kernel/proton-pack.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm64/kernel/proton-pack.c b/arch/arm64/kernel/proton-pack.c
index c18eb7d41274..f6e4e3737405 100644
--- 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 */ }