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

Signed-off-by: Gleb Natapov <g...@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.
--
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