Messages in this thread | | | Subject | Re: [PATCH] [2.4] [2.5] [i386] Add support for GCC 3.1 -march=pentium{-mmx,3,4} | From | Alan Cox <> | Date | 26 May 2002 20:14:32 +0100 |
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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
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