lkml.org 
[lkml]   [2008]   [Aug]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)
From
Date

>
> Ok, there are two cases where it's ok :
>
> 1 - in stop_machine, considering we are not touching code executed in
> NMI handlers.
> 2 - when using my replace_instruction_safe() which uses a temporary
> breakpoint when doing the instruction replacement.
>
> In those cases you could use text_poke_early().

Note that vmap/vunmap will be very slow.

Ben.




\
 
 \ /
  Last update: 2008-08-19 23:51    [W:0.265 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site