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| author | Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> | 2020-01-16 23:03:53 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-01-17 15:46:41 +0300 |
| commit | 83b0c36b8a136042aa9209fc9ca2fab31d5fbe7c (patch) | |
| tree | ee6678f335a0537174efb75ac0765cea534a9541 /arch/arm64/kernel/cpu_errata.c | |
| parent | f88f42f853a80d9b087f0c2035d6fbab504ea54c (diff) | |
| download | linux-83b0c36b8a136042aa9209fc9ca2fab31d5fbe7c.tar.xz | |
arm64: Add KRYO{3,4}XX CPU cores to spectre-v2 safe list
The "silver" KRYO3XX and KRYO4XX CPU cores are not affected by Spectre
variant 2. Add them to spectre_v2 safe list to correct the spurious
ARM_SMCCC_ARCH_WORKAROUND_1 warning and vulnerability status reported
under sysfs.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
[will: tweaked commit message to remove stale mention of "gold" cores]
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/cpu_errata.c')
| -rw-r--r-- | arch/arm64/kernel/cpu_errata.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 85f4bec22f6d..d661c7d0e6e2 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -548,6 +548,8 @@ static const struct midr_range spectre_v2_safe_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A55), MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53), MIDR_ALL_VERSIONS(MIDR_HISI_TSV110), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_3XX_SILVER), + MIDR_ALL_VERSIONS(MIDR_QCOM_KRYO_4XX_SILVER), { /* sentinel */ } }; |