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authorPaolo Bonzini <pbonzini@redhat.com>2019-11-21 10:01:51 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2019-11-21 12:03:40 +0100
commit46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32 (patch)
treef98a256ff3e4b20ca6252f7f80ce17759e57c6f2 /arch/x86/kvm/svm.c
parent14edff88315add29099fd8eebb9ef989c2e47c18 (diff)
parentb07a5c53d42a8c87b208614129e947dd2338ff9c (diff)
downloadtalos-op-linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.tar.gz
talos-op-linux-46f4f0aabc61bfd365e1eb3c8a6d766d1a49cf32.zip
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.c16
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;
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