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Subject[PATCH] KVM: VMX: Add 'else' to split mutually exclusive case
Date
From: Miaohe Lin <linmiaohe@huawei.com>

Each if branch in handle_external_interrupt_irqoff() is mutually
exclusive. Add 'else' to make it clear and also avoid some unnecessary
check.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
arch/x86/kvm/vmx/vmx.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 9a6664886f2e..bb5c33440af8 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6178,13 +6178,11 @@ static void handle_exception_nmi_irqoff(struct vcpu_vmx *vmx)
/* if exit due to PF check for async PF */
if (is_page_fault(vmx->exit_intr_info))
vmx->vcpu.arch.apf.host_apf_reason = kvm_read_and_reset_pf_reason();
-
/* Handle machine checks before interrupts are enabled */
- if (is_machine_check(vmx->exit_intr_info))
+ else if (is_machine_check(vmx->exit_intr_info))
kvm_machine_check();
-
/* We need to handle NMIs before interrupts are enabled */
- if (is_nmi(vmx->exit_intr_info)) {
+ else if (is_nmi(vmx->exit_intr_info)) {
kvm_before_interrupt(&vmx->vcpu);
asm("int $2");
kvm_after_interrupt(&vmx->vcpu);
--
2.19.1
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