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arm64: Make use of ARCH_WORKAROUND_1 even when KVM is not enabled

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We seem to be pretending that we don't have any firmware mitigation
when KVM is not compiled in, which is not quite expected.

Bring back the mitigation in this case.

Fixes: 4db61fef16 ("arm64: kvm: Modernize __smccc_workaround_1_smc_start annotations")
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Marc Zyngier 2020-07-16 17:11:08 +01:00 • committed by Will Deacon
parent f75aef392f
commit b11483ef5a
1 changed files with 5 additions and 2 deletions
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7
arch/arm64/kernel/cpu_errata.c
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@ -234,14 +234,17 @@ static int detect_harden_bp_fw(void)
smccc_end = NULL;
break;
#if IS_ENABLED(CONFIG_KVM)
case SMCCC_CONDUIT_SMC:
cb = call_smc_arch_workaround_1;
#if IS_ENABLED(CONFIG_KVM)
smccc_start = __smccc_workaround_1_smc;
smccc_end = __smccc_workaround_1_smc +
__SMCCC_WORKAROUND_1_SMC_SZ;
break;
#else
smccc_start = NULL;
smccc_end = NULL;
#endif
break;
default:
return -1;