From: Andi Kleen <[EMAIL PROTECTED]> > > Hi, > > > > The following patch does not use MMX regsiters so that we don't have > > to worry about save/restore the FPU/MMX states. > > > > What do you think? > > Performance will probably be bad on K7 Athlons - those have a microcoded > movnti which is quite slow. > > Also BTW I don't see any code anywhere that tests the CPUID bits, > so your code will fail spectacularly on a PII that didn't do SSE > (intel user copy used to be enabled on those) > > One way to solve this might be to use different code using > alternative() > > -Andi
Thanks for your comments. I'll consider it. Regards, Hiro - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
