Re: FP in kernelspace

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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