On Wed, Aug 12, 2009 at 12:06:59PM +0300, Avi Kivity wrote:
> On 08/12/2009 11:42 AM, Gleb Natapov wrote:
>>
>>
>>> What's this?
>>>
>>>
>> If there is not GSI mapping use pin as gsi. This what current code does.
>> We can BUG() here I think.
>>
>>
>
> We can't BUG() userspace can change the mapping before the ack is received.
>
Yes. Malicious userspace can remove GSI mapping for GSI with ack
notifier registered, so we can't BUG(). But making GSI=pin doesn't look
correct too. Should we just skip calling ack notifier?
--
Gleb.
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