lkml.org 
[lkml]   [2006]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] x86: Add portable getcpu call
Date

>
> So this means that the contents of getcpu_cache will look completely
> different if a process runs in 32bit mode or 64bit mode. Even if you're
> saying "user programs should not..." this looks odd to me.
> Is this really on purpose and do you really think that no user space
> application will ever rely on the format of getcpu_cache?

The vsyscalls do, but if anything else does it deserves breaking.
In the user headers it will also be just a array blob.

I was considering to xor it with a random value to bring the point across
more strongly, but then didn't do it. Do you think I should?

-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: 2006-09-27 14:07    [W:0.155 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site