Re: Question: Using floating point in the kernel

[Ricky Beam]

On Wed, 20 Sep 2000, Lyle Coder wrote:
>You cannot use MMX registers in the kernel either, since the kernel doesen't 
>save and restore FX state (fxsave, fxrstor) either (just like 
>(fsave/frstor).

You might want to tell the software RAID maintainers that... RAID5 CRC
calculations can be done with MMX. (I'm sure they save and restore the
FPU state, however.  Yes, the save/restore cycle is _damned_ expensive.)

--Ricky


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