diff --git a/arch/arm64/kvm/hyp/nvhe/pkvm.c b/arch/arm64/kvm/hyp/nvhe/pkvm.c index ddb626bbee55..9407d5c52245 100644 --- a/arch/arm64/kvm/hyp/nvhe/pkvm.c +++ b/arch/arm64/kvm/hyp/nvhe/pkvm.c @@ -154,21 +154,29 @@ static void pvm_init_traps_aa64mmfr1(struct kvm_vcpu *vcpu) */ static void pvm_init_trap_regs(struct kvm_vcpu *vcpu) { - const u64 hcr_trap_feat_regs = HCR_TID3; - const u64 hcr_trap_impdef = HCR_TACR | HCR_TIDCP | HCR_TID1; + vcpu->arch.cptr_el2 = CPTR_EL2_DEFAULT; + vcpu->arch.mdcr_el2 = 0; /* * Always trap: * - Feature id registers: to control features exposed to guests * - Implementation-defined features */ - vcpu->arch.hcr_el2 |= hcr_trap_feat_regs | hcr_trap_impdef; + vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS | + HCR_TID3 | HCR_TACR | HCR_TIDCP | HCR_TID1; - /* Clear res0 and set res1 bits to trap potential new features. */ - vcpu->arch.hcr_el2 &= ~(HCR_RES0); - vcpu->arch.mdcr_el2 &= ~(MDCR_EL2_RES0); - vcpu->arch.cptr_el2 |= CPTR_NVHE_EL2_RES1; - vcpu->arch.cptr_el2 &= ~(CPTR_NVHE_EL2_RES0); + if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN)) { + /* route synchronous external abort exceptions to EL2 */ + vcpu->arch.hcr_el2 |= HCR_TEA; + /* trap error record accesses */ + vcpu->arch.hcr_el2 |= HCR_TERR; + } + + if (cpus_have_const_cap(ARM64_HAS_STAGE2_FWB)) + vcpu->arch.hcr_el2 |= HCR_FWB; + + if (cpus_have_const_cap(ARM64_MISMATCHED_CACHE_TYPE)) + vcpu->arch.hcr_el2 |= HCR_TID2; } /*