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authorMarc Zyngier <maz@kernel.org>2020-07-31 20:38:24 +0300
committerCatalin Marinas <catalin.marinas@arm.com>2020-08-21 13:39:56 +0300
commitbf87bb0881d0f59181fe3bbcf29c609f36483ff8 (patch)
tree1149eaba4ee22a6d33085aa5bff6fb096a9ff6e9 /arch
parentd49f7d7376d0c0daf8680984a37bd07581ac7d38 (diff)
downloadlinux-bf87bb0881d0f59181fe3bbcf29c609f36483ff8.tar.xz
arm64: Allow booting of late CPUs affected by erratum 1418040
As we can now switch from a system that isn't affected by 1418040 to a system that globally is affected, let's allow affected CPUs to come in at a later time. Signed-off-by: Marc Zyngier <maz@kernel.org> Tested-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20200731173824.107480-3-maz@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
-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 6bd1d3ad037a..c332d49780dc 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -910,6 +910,8 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.desc = "ARM erratum 1418040",
.capability = ARM64_WORKAROUND_1418040,
ERRATA_MIDR_RANGE_LIST(erratum_1418040_list),
+ .type = (ARM64_CPUCAP_SCOPE_LOCAL_CPU |
+ ARM64_CPUCAP_PERMITTED_FOR_LATE_CPU),
},
#endif
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT