lkml.org 
[lkml]   [2007]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: getting processor numbers
On Tue, Apr 03, 2007 at 06:22:41PM +0100, Alan Cox wrote:
> > benefit for the common use cases. But as it is, the number of
> > processors is not necessarily constant over the lifetime of a process.
> > The machine architecture is.
>
> Not once you have migration capable virtualisation it isnt.

Migration is fundamentally incompatible with many CPU optimizations.
But that's not a reason to not optimize anymore.

But I guess luckily most migration users will be able to live
with a little decreased performance after it.

-Andi
-
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: 2007-04-03 19:33    [W:0.610 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site