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" <bp@alien8.de>, "hpa@zytor.com" <hpa@zytor.com>
Subject: [PATCH v2] KVM: Adding 'else' to reduce checking.
Date: Thu, 16 Jan 2020 17:03:56 +0800 [thread overview]
Message-ID: <abea81a5-266f-7e0d-558a-b4b7aa49d3d4@gmail.com> (raw)
From 009bfba9b6f6b41018708323d9ca651ae2075900 Mon Sep 17 00:00:00 2001
From: Haiwei Li <lihaiwei@tencent.com>
Date: Thu, 16 Jan 2020 16:50:21 +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>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
---
arch/x86/kvm/lapic.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 679692b..f1cfb94 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1571,9 +1571,9 @@ static void
kvm_apic_inject_pending_timer_irqs(struct kvm_lapic *apic)
struct kvm_timer *ktimer = &apic->lapic_timer;
kvm_apic_local_deliver(apic, APIC_LVTT);
- if (apic_lvtt_tscdeadline(apic))
+ 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 9:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 9:03 Haiwei Li [this message]
2020-01-21 12:15 ` [PATCH v2] KVM: Adding 'else' to reduce checking Paolo Bonzini
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