On 12/06/2010 02:35 AM, Avi Kivity wrote:
On 12/06/2010 10:28 AM, Avi Kivity wrote:
I wasn't sure about this. Don't you want EIP to point to the
beginning of the instruction such that the exception will cause the
instruction to restart?
An interrupt causes the HLT to complete execution. APF completion
counts as an interrupt in this case.
btw, it's possible a VMEXIT during HLT returns RIP already advanced
past the HLT instruction. Please check if this is the case.
It's not just possible, it appears to be exactly what happens.
I guess it makes sense that RIP gets advanced before HLT begins to wait.
Regards,
Anthony Liguori
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