[COMMIT master] KVM: Move "exit due to NMI" handling into vmx_complete_interrupts()

[Avi Kivity]

From: Gleb Natapov <g...@redhat.com>

To save us one reading of VM_EXIT_INTR_INFO.

Signed-off-by: Gleb Natapov <g...@redhat.com>
Signed-off-by: Avi Kivity <a...@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 29b49f0..fe2ce2b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -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);
 }
 
--
To unsubscribe from this list: send the line "unsubscribe kvm-commits" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html