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author | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 10:01:51 +0100 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-11-21 12:03:40 +0100 |
commit | 46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32 (patch) | |
tree | f98a256ff3e4b20ca6252f7f80ce17759e57c6f2 /arch/x86/kvm/svm.c | |
parent | 14edff88315add29099fd8eebb9ef989c2e47c18 (diff) | |
parent | b07a5c53d42a8c87b208614129e947dd2338ff9c (diff) | |
download | linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.tar.bz2 |
Merge branch 'kvm-tsx-ctrl' into HEAD
Conflicts:
arch/x86/kvm/vmx/vmx.c
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r-- | arch/x86/kvm/svm.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d02a73a48461..362e874297e4 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -739,8 +739,14 @@ static int get_npt_level(struct kvm_vcpu *vcpu) static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer) { vcpu->arch.efer = efer; - if (!npt_enabled && !(efer & EFER_LMA)) - efer &= ~EFER_LME; + + if (!npt_enabled) { + /* Shadow paging assumes NX to be available. */ + efer |= EFER_NX; + + if (!(efer & EFER_LMA)) + efer &= ~EFER_LME; + } to_svm(vcpu)->vmcb->save.efer = efer | EFER_SVME; mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR); @@ -4599,6 +4605,7 @@ static int avic_handle_ldr_update(struct kvm_vcpu *vcpu) int ret = 0; struct vcpu_svm *svm = to_svm(vcpu); u32 ldr = kvm_lapic_get_reg(vcpu->arch.apic, APIC_LDR); + u32 id = kvm_xapic_id(vcpu->arch.apic); if (ldr == svm->ldr_reg) return 0; @@ -4606,7 +4613,7 @@ static int avic_handle_ldr_update(struct kvm_vcpu *vcpu) avic_invalidate_logical_id_entry(vcpu); if (ldr) - ret = avic_ldr_write(vcpu, vcpu->vcpu_id, ldr); + ret = avic_ldr_write(vcpu, id, ldr); if (!ret) svm->ldr_reg = ldr; @@ -4618,8 +4625,7 @@ static int avic_handle_apic_id_update(struct kvm_vcpu *vcpu) { u64 *old, *new; struct vcpu_svm *svm = to_svm(vcpu); - u32 apic_id_reg = kvm_lapic_get_reg(vcpu->arch.apic, APIC_ID); - u32 id = (apic_id_reg >> 24) & 0xff; + u32 id = kvm_xapic_id(vcpu->arch.apic); if (vcpu->vcpu_id == id) return 0; |