lkml.org 
[lkml]   [2006]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] THE LINUX/I386 BOOT PROTOCOL - Breaking the 256 limit (ping)
Date
On Wednesday 30 August 2006 20:59, H. Peter Anvin wrote:
> Alon Bar-Lev wrote:
> >
> > This is not entirely true...
> > All architectures sets saved_command_line variable...
> > So I can add __init to the saved_command_line and
> > copy its contents into kmalloced persistence_command_line at
> > main.c.
> >
>
> My opinion is that you should change saved_command_line (which already
> implies a copy) to be the kmalloc'd version and call the fixed-sized
> buffer something else.

It might be safer to rename everything. Then all users could be caught
and audited. This would ensure saved_command_line is not accessed
before the kmalloc'ed copy exists.

Disadvantage: more architectures to change.

-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: 2006-08-30 21:09    [W:0.096 / U:0.300 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site