Re: [PATCH] [2.4] [2.5] [i386] Add support for GCC 3.1 -march=pentium{-mmx,3,4}

Alan Cox
2002-05-26T18:12:30Z

On Sun, 2002-05-26 at 10:11, J.A. Magallon wrote:
> >Splitting PII from PPro is a good move for another reason. The PPro
> >requires a locked spin_unlock due to an errata - the PII seems not to.
> >
>
> So I can kill CONFIG_X86_PPRO_FENCE for a PII ? If yes, I will try.

As I understand the errata involved yes you can. If so please make sure
the PII specific kernel panics on a ppro because subtle locking failure
is not a pleasant result when someone runs the wrong kernel.

PII specific also means you can assume MMX is present which may be
useful in future page copying accelerations