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.)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.)
how about the simpler fix below, as a first-level approach? We can then remove the _p in/out sequences after this.
?? Just initialize bogomips to 6GHz equivalent... and we are fine
until 6GHz cpus come out.