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| author | Takashi Iwai <tiwai@suse.de> | 2018-03-19 16:59:34 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-03-19 17:00:01 +0100 |
| commit | 4654eba8cbb3fcf48c6fc24fbaffa0623d9faea2 (patch) | |
| tree | 0b3056c04bda1988a3705f315680224387d5a68b /arch/arm64/kernel/cpu_errata.c | |
| parent | 09b9ddfaa18317f463085d602cf5f60a5fa88665 (diff) | |
| parent | a6618f4aedb2b60932d766bd82ae7ce866e842aa (diff) | |
Merge branch 'for-linus' into for-next
Back-merge of for-linus branch for applying the further UAC3 patches.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/arm64/kernel/cpu_errata.c')
| -rw-r--r-- | arch/arm64/kernel/cpu_errata.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index 07823595b7f0..b5a28336c077 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -178,7 +178,7 @@ static int enable_smccc_arch_workaround_1(void *data) case PSCI_CONDUIT_HVC: arm_smccc_1_1_hvc(ARM_SMCCC_ARCH_FEATURES_FUNC_ID, ARM_SMCCC_ARCH_WORKAROUND_1, &res); - if (res.a0) + if ((int)res.a0 < 0) return 0; cb = call_hvc_arch_workaround_1; smccc_start = __smccc_workaround_1_hvc_start; @@ -188,7 +188,7 @@ static int enable_smccc_arch_workaround_1(void *data) case PSCI_CONDUIT_SMC: arm_smccc_1_1_smc(ARM_SMCCC_ARCH_FEATURES_FUNC_ID, ARM_SMCCC_ARCH_WORKAROUND_1, &res); - if (res.a0) + if ((int)res.a0 < 0) return 0; cb = call_smc_arch_workaround_1; smccc_start = __smccc_workaround_1_smc_start; @@ -408,6 +408,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = { }, { .capability = ARM64_HARDEN_BRANCH_PREDICTOR, + MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), + .enable = qcom_enable_link_stack_sanitization, + }, + { + .capability = ARM64_HARDEN_BP_POST_GUEST_EXIT, + MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR), + }, + { + .capability = ARM64_HARDEN_BRANCH_PREDICTOR, MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN), .enable = enable_smccc_arch_workaround_1, }, |