Re: Disabling FPU, MMX, SSE units?

[Rasmus Bøg Hansen]

On Thu, 22 Nov 2001, Maciej W. Rozycki wrote:

> On Wed, 21 Nov 2001, Pavel Machek wrote:
> 
> > Is there way not to let linux use FPU, MMX, SSE and similar fancy
> > units? I have athlon processor, but would like to turn FPU (and
> > similar fancy stuff) off...
> 
>  You may use "no387" to disable FPU and MMX (they are controlled by a
> single bit in cr0).  No idea about SSE.

Running a kernel optimized for 386 should leave out MMX, SSE and similar 
fancy instrucion sets IIRC.

Rasmus

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