summaryrefslogtreecommitdiffstats
path: root/arch/arm64
diff options
context:
space:
mode:
authorFlorian Fainelli <f.fainelli@gmail.com>2019-10-31 22:47:24 +0100
committerWill Deacon <will@kernel.org>2019-11-01 11:47:37 +0100
commite059770cb1cdfbcbe3f1748f76005861cc79dd1a (patch)
tree9a09a2bd605910494197874d2a8503101fc0327f /arch/arm64
parentarm64: apply ARM64_ERRATUM_845719 workaround for Brahma-B53 core (diff)
downloadlinux-e059770cb1cdfbcbe3f1748f76005861cc79dd1a.tar.xz
linux-e059770cb1cdfbcbe3f1748f76005861cc79dd1a.zip
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 <f.fainelli@gmail.com> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kernel/cpu_errata.c2
1 files changed, 2 insertions, 0 deletions
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 */ }
};