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From: "Radim Krčmář" <rkrcmar@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: [PATCH] KVM: x86: use MSR_ICR instead of a number
Date: Wed, 26 Nov 2014 17:07:05 +0100	[thread overview]
Message-ID: <1417018025-1189-1-git-send-email-rkrcmar@redhat.com> (raw)

0x830 MSR is 0x300 xAPIC MMIO, which is MSR_ICR.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---
 This applies on top of Amit's
   [PATCH v2] KVM: x86: Fix reserved x2apic registers
 in which I noticed this minor deficit.

 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 9c90d31..687874f 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1887,7 +1887,7 @@ int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 		return 1;
 
 	/* if this is ICR write vector before command */
-	if (msr == 0x830)
+	if (reg == APIC_ICR)
 		apic_reg_write(apic, APIC_ICR2, (u32)(data >> 32));
 	return apic_reg_write(apic, reg, (u32)data);
 }
@@ -1908,7 +1908,7 @@ int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
 
 	if (apic_reg_read(apic, reg, 4, &low))
 		return 1;
-	if (msr == 0x830)
+	if (reg == APIC_ICR)
 		apic_reg_read(apic, APIC_ICR2, 4, &high);
 
 	*data = (((u64)high) << 32) | low;
-- 
2.1.0


             reply	other threads:[~2014-11-26 16:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-26 16:07 Radim Krčmář [this message]
2014-11-27 17:07 ` Paolo Bonzini

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