Re: FP in kernelspace

[Avi Kivity]

Andi Kleen wrote:
> >
> > Cannot work on x86-64, even disregarding fp exceptions, because
> > kernel_fpu_begin() doesn't save the sse state which is used by fp math.
> >
> > No?
>
> It does - FXSAVE saves everything.

I see.  Thanks for clearing it up.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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