Re: [PATCH][uq/master] kvm: x86: Save/restore FPU OP, IP and DP

Avi Kivity
2011-06-15T11:33:41Z

On 06/15/2011 02:32 PM, Jan Kiszka wrote:
> >
> > If it isn't zero, there's still a good chance fopcode will be zero
> > (64-bit userspace, thread that hasn't used the fpu since the last
> > context switch, last opcode happened to be zero).
>
> I do not yet find "if fopcode is invalid, it is zero, just as IP and DP"
> in the spec. What clears them reliably?

FNINIT

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error compiling committee.c: too many arguments to function