lkml.org 
[lkml]   [2002]   [Dec]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: Intel P6 vs P7 system call performance

On Mon, 16 Dec 2002 11:07:06 -0500, Jonah Sherman wrote:

>On Mon, Dec 16, 2002 at 12:54:32PM -0500, Mark Mielke wrote:

>>Programs that self verify their own CRC may get a little confused (are
>>there any of these left?), but other than that, 'goto is better avoided'
>>as well, but sometimes 'goto' is the best answer.

>This shouldn't cause any problems. The only way this would cause a problem
>is if the program had direct system calls in it, but as long as they are
>using libc(what self-crcing program doesn't use libc?), the changes would
>only be made to code pages inside libc, so the program's own code pages
>would remain untouched.

A program that checked its own CRC would probably be statically linked. This
is especially likely to be true if the CRC was for security reasons.

DS


-
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 13:31    [W:0.067 / U:0.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site