Messages in this thread | | | From | Andi Kleen <> | Subject | Re: FP in kernelspace | Date | Sun, 30 Jul 2006 20:15:33 +0200 |
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> > 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.
BTW you can use x87 on x86-64 too, you just need to use long double.
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