kvm: x86: remove the misleading comment in vmx_handle_external_intr

Since Paolo has removed irq-enable-operation in vmx_handle_external_intr
(KVM: x86: use guest_exit_irqoff), the original comment about the IF bit
in rflags is incorrect and stale now, so remove it.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4980911b9f1412a3cbdff779790a0105687d0911..7eb72f7bd0e3026fa594e659812a0dc5c428dab1 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8510,11 +8510,6 @@ static void vmx_handle_external_intr(struct kvm_vcpu *vcpu)
        u32 exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
        register void *__sp asm(_ASM_SP);
 
-       /*
-        * If external interrupt exists, IF bit is set in rflags/eflags on the
-        * interrupt stack frame, and interrupt will be enabled on a return
-        * from interrupt handler.
-        */
        if ((exit_intr_info & (INTR_INFO_VALID_MASK | INTR_INFO_INTR_TYPE_MASK))
                        == (INTR_INFO_VALID_MASK | INTR_TYPE_EXT_INTR)) {
                unsigned int vector;