Re: [PATCH v2] KVM: IOAPIC: only access APIC registers one dword at a time

Xiao Guangrong
2010-07-05T08:00:12Z

Avi Kivity wrote:

>
>>> There might be guests that use incorrect access despite the
>>> documentation; if real hardware supports it, it should work. So we need
>>> to start with just a warning, and allow the access. Later we can drop
>>> the invalid access.
>>>
>> If the OS contravene the spec, i thinks it's the OS's bug, also, i
>> have tested some versions
>> windows/linux guests, it's no broken, can we directly drop the other
>> wide access?
>>
>
> Well, there's the spec and there's real life, but in this case we can
> try and if we see a problem we'll re-add the other access length.
>

OK, i'll do it as your suggestion, thanks.