From: Florian Fainelli Date: Thu, 31 Oct 2019 21:47:24 +0000 (-0700) Subject: arm64: Brahma-B53 is SSB and spectre v2 safe X-Git-Tag: v5.4-rc6~16^2~1 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=e059770cb1cdfbcbe3f1748f76005861cc79dd1a;p=linux-2.6-block.git arm64: Brahma-B53 is SSB and spectre v2 safe Add the Brahma-B53 CPU (all versions) to the whitelists of CPUs for the SSB and spectre v2 mitigations. Signed-off-by: Florian Fainelli Signed-off-by: Will Deacon --- diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index b5eeba7f5d84..a1983c0a872b 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -489,6 +489,7 @@ static const struct midr_range arm64_ssb_cpus[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A35), MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), + MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), {}, }; @@ -573,6 +574,7 @@ static const struct midr_range spectre_v2_safe_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A35), MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), + MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), { /* sentinel */ } };