diff options
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/hyp-init.S | 10 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/switch.c | 5 |
2 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-init.S b/arch/arm64/kvm/hyp/nvhe/hyp-init.S index a2e251547625..31b060a44045 100644 --- a/arch/arm64/kvm/hyp/nvhe/hyp-init.S +++ b/arch/arm64/kvm/hyp/nvhe/hyp-init.S @@ -88,6 +88,11 @@ SYM_CODE_END(__kvm_hyp_init) * x0: struct kvm_nvhe_init_params PA */ SYM_CODE_START_LOCAL(___kvm_hyp_init) +alternative_if ARM64_KVM_PROTECTED_MODE + mov_q x1, HCR_HOST_NVHE_PROTECTED_FLAGS + msr hcr_el2, x1 +alternative_else_nop_endif + ldr x1, [x0, #NVHE_INIT_TPIDR_EL2] msr tpidr_el2, x1 @@ -230,6 +235,11 @@ reset: msr sctlr_el2, x5 isb +alternative_if ARM64_KVM_PROTECTED_MODE + mov_q x5, HCR_HOST_NVHE_FLAGS + msr hcr_el2, x5 +alternative_else_nop_endif + /* Install stub vectors */ adr_l x5, __hyp_stub_vectors msr vbar_el2, x5 diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index 8ae8160bc93a..e1f8e0797144 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -96,7 +96,10 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu) mdcr_el2 |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT; write_sysreg(mdcr_el2, mdcr_el2); - write_sysreg(HCR_HOST_NVHE_FLAGS, hcr_el2); + if (is_protected_kvm_enabled()) + write_sysreg(HCR_HOST_NVHE_PROTECTED_FLAGS, hcr_el2); + else + write_sysreg(HCR_HOST_NVHE_FLAGS, hcr_el2); write_sysreg(CPTR_EL2_DEFAULT, cptr_el2); write_sysreg(__kvm_hyp_host_vector, vbar_el2); } |