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arm64: kpti: Add NVIDIA's Carmel core to the KPTI whitelist 

NVIDIA Carmel CPUs don't implement ID_AA64PFR0_EL1.CSV3 but
aren't susceptible to Meltdown, so add Carmel to kpti_safe_list[].

Signed-off-by: Rich Wiley <rwiley@nvidia.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
alistair/sunxi64-5.5-dsi
Rich Wiley 2019-11-05 10:45:10 -08:00 committed by Catalin Marinas
parent 218564b164
commit 918e1946c8
1 changed files with 1 additions and 0 deletions
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arch/arm64/kernel/cpufeature.c
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@ -977,6 +977,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL),
{ /* sentinel */ }
};
char const *str = "kpti command line option";