KVM: Move "exit due to NMI" handling into vmx_complete_interrupts()
authorGleb Natapov <gleb@redhat.com>
Mon, 11 May 2009 10:35:55 +0000 (13:35 +0300)
committerAvi Kivity <avi@redhat.com>
Wed, 10 Jun 2009 08:48:59 +0000 (11:48 +0300)
To save us one reading of VM_EXIT_INTR_INFO.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/vmx.c

index 29b49f09a019a82a369e1508c5fd860e9eeb37b1..fe2ce2b40504929f764b3272c7195ce5e237d55d 100644 (file)
@@ -3261,8 +3261,17 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx)
        int type;
        bool idtv_info_valid;
 
-       idtv_info_valid = idt_vectoring_info & VECTORING_INFO_VALID_MASK;
        exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+
+       /* We need to handle NMIs before interrupts are enabled */
+       if ((exit_intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR &&
+           (exit_intr_info & INTR_INFO_VALID_MASK)) {
+               KVMTRACE_0D(NMI, &vmx->vcpu, handler);
+               asm("int $2");
+       }
+
+       idtv_info_valid = idt_vectoring_info & VECTORING_INFO_VALID_MASK;
+
        if (cpu_has_virtual_nmis()) {
                unblock_nmi = (exit_intr_info & INTR_INFO_UNBLOCK_NMI) != 0;
                vector = exit_intr_info & INTR_INFO_VECTOR_MASK;
@@ -3363,7 +3372,6 @@ static void fixup_rmode_irq(struct vcpu_vmx *vmx)
 static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
        struct vcpu_vmx *vmx = to_vmx(vcpu);
-       u32 intr_info;
 
        /* Record the guest's net vcpu time for enforced NMI injections. */
        if (unlikely(!cpu_has_virtual_nmis() && vmx->soft_vnmi_blocked))
@@ -3490,15 +3498,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
        asm("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS));
        vmx->launched = 1;
 
-       intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
-
-       /* We need to handle NMIs before interrupts are enabled */
-       if ((intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR &&
-           (intr_info & INTR_INFO_VALID_MASK)) {
-               KVMTRACE_0D(NMI, vcpu, handler);
-               asm("int $2");
-       }
-
        vmx_complete_interrupts(vmx);
 }