lkml.org 
[lkml]   [2000]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Pentium 4 and 2.4/2.5
Date
From
> It won't fail on other CPU's. The bug is, as far as I can tell, in
> get_model_name(),
>
> cpuid(0x80000001, &dummy, &dummy, &dummy, &(c->x86_capability));

Dave Jones fixed this one - for intel we don't use get_model_name() blindly
now. I can see how some earlier 2.2.18pre's would have blown up, but 2.2.17
would (fortunately) be ok.

Thanks

> Notice how we overwrite the x86_capability state with whatever we read
> from the extended register 0x80000001. So we overwrite the _real_
> capabilities that we got the right way in head.S.

Yep

Alan

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:45    [W:0.085 / U:0.416 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site