Messages in this thread | | | Date | Fri, 1 Oct 1999 21:11:38 +0200 | From | Philipp Rumpf <> | Subject | Re: [patch]K6-2/K-III compile option |
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> > So now we are doing this (this meaning patching instructions when the kernel > > is loaded), shouldn't we do it for KNI support too ? > > I'm just nopping an instruction not doing clever patching. The idea is the > kernel still boots on any MMX box, not that it switches to the optimal > code
that's not what I meant. Currently (unless this changed recently), there is no way to have a kernel that boots both on older machines (that do not support fxsave / fxrestor) and on newer machines while using fxsave on newer ones. Not using fxsave means userspace cannot use KNI.
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