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

[H. Peter Anvin]

Avi Kivity wrote:
> We don't emulate guest user mode.
>
> Well, if guest userspace can convince its kernel to give it access to 
> some memory mapped I/O register, I guess it can execute repeated 'mov 
> ss, mmio' and starve the guest kernel.

It doesn't need a MMIO register to do that, even.

	-hpa
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