Message ID | 20231127114559.990314-8-maz@kernel.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | arm64: Add support for FEAT_E2H0, or lack thereof | expand |
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 6ef9811f7bb7..64a026cc5cec 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -2793,6 +2793,13 @@ static const struct arm64_cpu_capabilities arm64_features[] = { .matches = has_cpuid_feature, ARM64_CPUID_FIELDS_NEG(ID_AA64MMFR4_EL1, E2H0, NI) }, + { + .desc = "FEAT_E2H0 not implemented (NV1 RES0)", + .capability = ARM64_HCR_NV1_RES0, + .type = ARM64_CPUCAP_SYSTEM_FEATURE, + .matches = has_cpuid_feature, + ARM64_CPUID_FIELDS_NEG(ID_AA64MMFR4_EL1, E2H0, NI_NV1) + }, {}, }; diff --git a/arch/arm64/tools/cpucaps b/arch/arm64/tools/cpucaps index 8866ea9bf995..fea24bcd6252 100644 --- a/arch/arm64/tools/cpucaps +++ b/arch/arm64/tools/cpucaps @@ -53,6 +53,7 @@ HAS_TLB_RANGE HAS_VIRT_HOST_EXTN HAS_WFXT HCR_E2H_RES1 +HCR_NV1_RES0 HW_DBM KVM_HVHE KVM_PROTECTED_MODE