Re: [PATCH] x86_64: fix problems due to use of "outb" to port 80on some AMD64x2 laptops, etc.

[Pavel Machek]

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.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/