lkml.org 
[lkml]   [2002]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux 2.4.19-rc3 (hyperthreading)
On Tue, Jul 30, 2002 at 02:09:12AM +0200, J.A. Magallon wrote:
> How about this version (gcc-3.2 generates the same amount of assembler):
>
> int find(int this_cpu)
> {
> int i;
>
> for ( i = (this_cpu+1)%smp_num_cpus;
> i != this_cpu;
> i = (i+1)%smp_num_cpus )
> {
> int physical = cpu_logical_map(i);
> int sibling = cpu_sibling_map[physical];
>
> if (idle_cpu(physical) && idle_cpu(sibling))
> return physical;
> }
> return -1;
> }

I also find the above a bit more readable, I'll rediff once more time
then.

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

\
 
 \ /
  Last update: 2005-03-22 13:27    [W:0.077 / U:2.876 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site