Re: [PATCH] deal with interrupt shadow state for emulated instruction

[H. Peter Anvin]

Avi Kivity wrote:
> 
> Why do we care?  The guest can only harm itself, and if it wants to
> disable interrupts, it would be a lot easier for it to run a plain 'cli'.
> 
> I guess it would be a problem if we emulated 'mov ss' for ordinary
> userspace or vm86 mode, but we don't.
> 

Well, the answer is that mov ss is an unprivileged instruction.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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