linux-kernel - [PATCH] KVM: Using macros instead of magic values

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Message-ID: <4c072161-80dd-b7ed-7adb-02acccaa0701@gmail.com>
Date:   Tue, 21 Jul 2020 16:23:54 +0800
From:   Haiwei Li <lihaiwei.kernel@...il.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>
Cc:     "pbonzini@...hat.com" <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        "wanpengli@...cent.com" <wanpengli@...cent.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "jmattson@...gle.com" <jmattson@...gle.com>,
        "joro@...tes.org" <joro@...tes.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>, mingo@...hat.com,
        "bp@...en8.de" <bp@...en8.de>, "hpa@...or.com" <hpa@...or.com>
Subject: [PATCH] KVM: Using macros instead of magic values

From: Haiwei Li <lihaiwei@...cent.com>

Instead of using magic values, use macros.

Signed-off-by: Haiwei Li <lihaiwei@...cent.com>
---
  arch/x86/kvm/lapic.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 47801a4..d5fb2ea 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2083,7 +2083,8 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, 
u32 reg, u32 val)

  	case APIC_SELF_IPI:
  		if (apic_x2apic_mode(apic)) {
-			kvm_lapic_reg_write(apic, APIC_ICR, 0x40000 | (val & 0xff));
+			kvm_lapic_reg_write(apic, APIC_ICR,
+					    APIC_DEST_SELF | (val & APIC_VECTOR_MASK));
  		} else
  			ret = 1;
  		break;
--
1.8.3.1