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-rw-r--r--arch/arm64/kvm/nested.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index ed3add7d32f6..9f140560a6f5 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -1021,10 +1021,11 @@ int kvm_init_nv_sysregs(struct kvm_vcpu *vcpu)
res0 |= HCR_FIEN;
if (!kvm_has_feat(kvm, ID_AA64MMFR2_EL1, FWB, IMP))
res0 |= HCR_FWB;
- if (!kvm_has_feat(kvm, ID_AA64MMFR2_EL1, NV, NV2))
- res0 |= HCR_NV2;
- if (!kvm_has_feat(kvm, ID_AA64MMFR2_EL1, NV, IMP))
- res0 |= (HCR_AT | HCR_NV1 | HCR_NV);
+ /* Implementation choice: NV2 is the only supported config */
+ if (!kvm_has_feat(kvm, ID_AA64MMFR4_EL1, NV_frac, NV2_ONLY))
+ res0 |= (HCR_NV2 | HCR_NV | HCR_AT);
+ if (!kvm_has_feat(kvm, ID_AA64MMFR4_EL1, E2H0, NI))
+ res0 |= HCR_NV1;
if (!(kvm_vcpu_has_feature(kvm, KVM_ARM_VCPU_PTRAUTH_ADDRESS) &&
kvm_vcpu_has_feature(kvm, KVM_ARM_VCPU_PTRAUTH_GENERIC)))
res0 |= (HCR_API | HCR_APK);