On 11/15/2010 11:55 AM, Xiao Guangrong wrote:
>> > Or another thread may have mmap()ed something else over the
>> > same address.
>>
>> The mmap virtual address is also visible for other threads since the
>> threads
>> have the same page table, so i think this case is the same as above?
>
> Again, don't we install the wrong spte in this case?
>
I think it doesn't corrupts spte since we will walk guest page table again
and map it to shadow pages when we retry #PF.
Well, you're right, we don't use any gfn/pfn info from the async page fault.
However, we're still not modelling the cpu accurately. For example we
will set dirty and accessed bits, or inject a page fault if the gpte
turns out to be not present.
--
error compiling committee.c: too many arguments to function
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