Messages in this thread | | | Date | Thu, 09 Apr 2009 10:41:19 +0300 | From | Avi Kivity <> | Subject | Re: [PATCH] disable interrupt shadow state for emulated instruction |
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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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