On Fri, 14 Dec 2007 14:13:46 -0800 "H. Peter Anvin" <[EMAIL PROTECTED]> wrote:
> Pavel Machek wrote: > > On Fri 2007-12-14 10:02:57, H. Peter Anvin wrote: > >> Ingo Molnar wrote: > >>> wow, cool fix! (I remember that there were other systems as well that are > >>> affected by port 0x80 muckery - i thought we had removed port 0x80 > >>> accesses long ago.) > >>> how about the simpler fix below, as a first-level approach? We can then > >>> remove the _p in/out sequences after this. > >> I believe this will suffer from the issue that was raised: this will use > >> udelay() long before loop calibration (and no, we can't just "be > >> conservative" since there is no "conservative" value we can use.) > > > > ?? Just initialize bogomips to 6GHz equivalent... and we are fine > > until 6GHz cpus come out. > > How long will that take to boot on a 386? Well the dumb approach to fix that would seem to be to initialise it to cpu->family 3 -> 50MHz 4 -> 300Mhz 5-> etc... Alan -- 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/