From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gleb Natapov <gleb@redhat.com>
Subject: [PATCH] silence kernel messages that can be triggered by a guest
Date: Wed, 8 Jul 2009 11:26:54 +0300
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Some Linux versions (f8) try to read EOI register that is write only.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index ccafe0d..6b5dad4 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -590,14 +590,14 @@ 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;
 	}
 
--
			Gleb.