On Thursday 27 September 2007 18:13, Juergen Beisert wrote: > Index: linux-2.6.22/arch/i386/kernel/cpu/cyrix.c > =================================================================== > --- linux-2.6.22.orig/arch/i386/kernel/cpu/cyrix.c > +++ linux-2.6.22/arch/i386/kernel/cpu/cyrix.c > @@ -169,7 +169,7 @@ static void __cpuinit set_cx86_inc(void) > setCx86(CX86_PCR1, getCx86(CX86_PCR1) | 0x02); > /* PCR0 -- Performance Control */ > /* Incrementor Margin 10 */ > - setCx86(CX86_PCR0, getCx86(CX86_PCR0) | 0x04); > + setCx86(CX86_PCR0, getCx86(CX86_PCR0) | 0x05); /* 300MHz CPU */ > setCx86(CX86_CCR3, ccr3); /* disable MAPEN */ > } > > This should be done at runtime in relation to the real CPU clock.
Has someone an idea how I can read back CPUs clock while I'm in arch/i386/kernel/cpu/cyrix.c:set_cx86_inc() ? This incrementer setting must be done in relation to processor's clock. We could remove this tweaking as Marco suggested, or we must fix it to use the correct value. Juergen - 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/
