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| author | Wei Li <liwei391@huawei.com> | 2019-12-20 17:17:10 +0800 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2019-12-20 17:57:22 +0000 |
| commit | aa638cfe3e7358122a15cb1d295b622aae69e006 (patch) | |
| tree | a90189c82066ee002830839ccb461a6d626f3893 /arch | |
| parent | 8ae4bcf4821c18a8fbfa0b2c1df26c1085e9d923 (diff) | |
| download | linux-aa638cfe3e7358122a15cb1d295b622aae69e006.tar.bz2 | |
arm64: cpu_errata: Add Hisilicon TSV110 to spectre-v2 safe list
HiSilicon Taishan v110 CPUs didn't implement CSV2 field of the
ID_AA64PFR0_EL1, but spectre-v2 is mitigated by hardware, so
whitelist the MIDR in the safe list.
Signed-off-by: Wei Li <liwei391@huawei.com>
[hanjun: re-write the commit log]
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/cpu_errata.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 6a09ca7644ea..85f4bec22f6d 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -547,6 +547,7 @@ static const struct midr_range spectre_v2_safe_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A53), MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), + MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), { /* sentinel */ } }; |