diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/switch.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/switch.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c index f7af9688c1f7..2ea764a48958 100644 --- a/arch/arm64/kvm/hyp/nvhe/switch.c +++ b/arch/arm64/kvm/hyp/nvhe/switch.c @@ -69,12 +69,10 @@ static void __activate_traps(struct kvm_vcpu *vcpu) static void __deactivate_traps(struct kvm_vcpu *vcpu) { extern char __kvm_hyp_host_vector[]; - u64 mdcr_el2, cptr; + u64 cptr; ___deactivate_traps(vcpu); - mdcr_el2 = read_sysreg(mdcr_el2); - if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) { u64 val; @@ -92,13 +90,12 @@ static void __deactivate_traps(struct kvm_vcpu *vcpu) isb(); } - __deactivate_traps_common(); + vcpu->arch.mdcr_el2_host &= MDCR_EL2_HPMN_MASK | + MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT | + MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT; - mdcr_el2 &= MDCR_EL2_HPMN_MASK; - mdcr_el2 |= MDCR_EL2_E2PB_MASK << MDCR_EL2_E2PB_SHIFT; - mdcr_el2 |= MDCR_EL2_E2TB_MASK << MDCR_EL2_E2TB_SHIFT; + __deactivate_traps_common(vcpu); - write_sysreg(mdcr_el2, mdcr_el2); write_sysreg(this_cpu_ptr(&kvm_init_params)->hcr_el2, hcr_el2); cptr = CPTR_EL2_DEFAULT; |