From: Florian Fainelli <f.fainelli@gmail.com>
Date: Thu, 31 Oct 2019 14:47:24 -0700
Subject: arm64: Brahma-B53 is SSB and spectre v2 safe
Git-commit: e059770cb1cdfbcbe3f1748f76005861cc79dd1a
Patch-mainline: 5.4-rc6
References: bnc#1151927 5.3.11
Add the Brahma-B53 CPU (all versions) to the whitelists of CPUs for the
SSB and spectre v2 mitigations.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
arch/arm64/kernel/cpu_errata.c | 2 ++
1 file changed, 2 insertions(+)
--- 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
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_v
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 */ }
};