From: Haiwei Li <lihaiwei.kernel@gmail.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>
Cc: "pbonzini@redhat.com" <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
"vkuznets@redhat.com" <vkuznets@redhat.com>,
"wanpengli@tencent.com" <wanpengli@tencent.com>,
"jmattson@google.com" <jmattson@google.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
bp@alien8.de, "hpa@zytor.com" <hpa@zytor.com>
Subject: [PATCH] KVM: Adding 'else' to reduce checking.
Date: Thu, 16 Jan 2020 14:03:04 +0800 [thread overview]
Message-ID: <2a1a3b72-acc5-4977-5621-439aac53f243@gmail.com> (raw)
From 4e19436679a97e3cee73b4ae613ff91580c721d2 Mon Sep 17 00:00:00 2001
From: Haiwei Li <lihaiwei@tencent.com>
Date: Thu, 16 Jan 2020 13:51:03 +0800
Subject: [PATCH] Adding 'else' to reduce checking.
These two conditions are in conflict, adding 'else' to reduce checking.
Signed-off-by: Haiwei Li <lihaiwei@tencent.com>
---
arch/x86/kvm/lapic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 679692b..ef5802f 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1573,7 +1573,7 @@ static void
kvm_apic_inject_pending_timer_irqs(struct kvm_lapic *apic)
kvm_apic_local_deliver(apic, APIC_LVTT);
if (apic_lvtt_tscdeadline(apic))
ktimer->tscdeadline = 0;
- if (apic_lvtt_oneshot(apic)) {
+ else if (apic_lvtt_oneshot(apic)) {
ktimer->tscdeadline = 0;
ktimer->target_expiration = 0;
}
--
1.8.3.1
next reply other threads:[~2020-01-16 6:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 6:03 Haiwei Li [this message]
2020-01-16 8:27 ` Vitaly Kuznetsov
2020-01-16 8:51 linmiaohe
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