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SubjectRe: [PATCH] disable interrupt shadow state for emulated instruction
Glauber Costa wrote:
>> How does this logic work when the instruction emulated is an STI or MOV
>> SS instruction? In particular, when does GUEST_INTERRUPTIBILITY_INFO
>> sets set to reflect the *blocking* operation?
>>
> mov ss is a non-issue, since it is executed natively.
>

Except in big real mode (needs emulate_invalid_guest_state = 1).

> As for sti, I'm not sure. I see code for emulating sti, but in my testings,
> this code was never ever touched, under a number of different scenarios.
> Avi, can you clarify if sti can be in fact emulated, and under which
> circunstamces?
>

big real mode only.



--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.



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