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SubjectRe: [PATCH v3 04/12] Add "handle page fault" PV helper.
On 01/20/2010 07:18 PM, Rik van Riel wrote:
> On 01/20/2010 07:00 AM, Avi Kivity wrote:
>> On 01/20/2010 12:02 PM, Gleb Natapov wrote:
>>>
>>> I can inject the event as HW interrupt on vector greater then 32 but
>>> not
>>> go through APIC so EOI will not be required. This sounds
>>> non-architectural
>>> and I am not sure kernel has entry point code for this kind of
>>> event, it
>>> has one for exception and one for interrupts that goes through
>>> __do_IRQ()
>>> which assumes that interrupts should be ACKed.
>>
>> Further, we start to interact with the TPR; Linux doesn't use the TPR or
>> cr8 but if it does one day we don't want it interfering with apf.
>
> That's not an issue is it? The guest will tell the host what
> vector to use for pseudo page faults.

And kill 15 other vectors?

--
error compiling committee.c: too many arguments to function



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