KVM: nVMX: Use cached exit reason
No need to re-read what vmx_vcpu_run already picked up for us.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 3a58c1b..f7d2242 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6082,10 +6082,10 @@
*/
static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
{
- u32 exit_reason = vmcs_read32(VM_EXIT_REASON);
u32 intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ u32 exit_reason = vmx->exit_reason;
if (vmx->nested.nested_run_pending)
return 0;
@@ -7399,7 +7399,7 @@
/* update exit information fields: */
- vmcs12->vm_exit_reason = vmcs_read32(VM_EXIT_REASON);
+ vmcs12->vm_exit_reason = to_vmx(vcpu)->exit_reason;
vmcs12->exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
vmcs12->vm_exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);