[lkml]   [2006]   [Aug]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] THE LINUX/I386 BOOT PROTOCOL - Breaking the 256 limit (ping)
Andi Kleen wrote:
> 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.

That would definitely be the safest option, and probably is the way to go.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-08-30 21:11    [W:0.083 / U:10.268 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site