提交 4088bb3c 编写于 作者: G Gleb Natapov 提交者: Avi Kivity

KVM: silence lapic kernel messages that can be triggered by a guest

Some Linux versions (f8) try to read EOI register that is write only.
Signed-off-by: NGleb Natapov <gleb@redhat.com>
Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>
上级 a1b37100
......@@ -597,14 +597,14 @@ 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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