On 17/03/2016 04:58, Suravee Suthikulpanit wrote: >>> >>> >+ BUG_ON(offset >= 0x400); >> These are valid faulting registers, so our implementation has to handle >> them. (And the rule is to never BUG if a recovery is simple.) >> > > Just want to clarify the part that you mentioned "to handle them". IIUC, > offet 0x400 and above are for x2APIC stuff, which AVIC does not > currently support. Also, since I have only advertised as xAPIC when > enabling AVIC, if we run into the situation that the VM is trying to > access these register, we should just ignore it (and not BUG). Do I > understand that correctly? Yes. You can add a printk(KERN_DEBUG) though. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
