On Wed, Jul 08, 2009 at 11:26:54AM +0300, Gleb Natapov wrote: > Some Linux versions (f8) try to read EOI register that is write only. > > Signed-off-by: Gleb Natapov <[email protected]> > 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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