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arm64: Add missing Falkor part number for branch predictor hardening

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References to CPU part number MIDR_QCOM_FALKOR were dropped from the
mailing list patch due to mainline/arm64 branch dependency. So this
patch adds the missing part number.

Fixes: ec82b567a7 ("arm64: Implement branch predictor hardening for Falkor")
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Shanker Donthineni
2018-02-11 19:16:15 -06:00
committed by Catalin Marinas
parent 7928b2cbe5
commit 16e574d762
2 changed files with 12 additions and 1 deletions
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9
arch/arm64/kernel/cpu_errata.c
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@@ -406,6 +406,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.capability = ARM64_HARDEN_BP_POST_GUEST_EXIT,
MIDR_ALL_VERSIONS(MIDR_QCOM_FALKOR_V1),
},
{
.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),