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List:       kvm-commits
Subject:    [COMMIT master] KVM: silence lapic kernel messages that can be
From:       Avi Kivity <avi () redhat ! com>
Date:       2009-07-26 9:45:10
Message-ID: 20090726094510.462E4250061 () cleopatra ! tlv ! redhat ! com
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From: Gleb Natapov <gleb@redhat.com>

Some Linux versions (f8) try to read EOI register that is write only.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index e2e2849..6c3cd2c 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -594,14 +594,14 @@ static int apic_reg_read(struct kvm_lapic *apic, u32 offset, int len,
 	static const u64 rmask = 0x43ff01ffffffe70cULL;
 
 	if ((alignment + len) > 4) {
-		printk(KERN_ERR "KVM_APIC_READ: alignment error %x %d\n",
-				offset, len);
+		apic_debug("KVM_APIC_READ: alignment error %x %d\n",
+			   offset, len);
 		return 1;
 	}
 
 	if (offset > 0x3f0 || !(rmask & (1ULL << (offset >> 4)))) {
-		printk(KERN_ERR "KVM_APIC_READ: read reserved register %x\n",
-				offset);
+		apic_debug("KVM_APIC_READ: read reserved register %x\n",
+			   offset);
 		return 1;
 	}
 
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