lkml.org 
[lkml]   [2017]   [Dec]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] trace: reenable preemption if we modify the ip
From
Date
On 12/16/2017 03:42 AM, Josef Bacik wrote:
> From: Josef Bacik <jbacik@fb.com>
>
> Things got moved around between the original bpf_override_return patches
> and the final version, and now the ftrace kprobe dispatcher assumes if
> you modified the ip that you also enabled preemption. Make a comment of
> this and enable preemption, this fixes the lockdep splat that happened
> when using this feature.
>
> Signed-off-by: Josef Bacik <jbacik@fb.com>

Applied to bpf-next with Fixes tag, thanks Josef.

\
 
 \ /
  Last update: 2017-12-17 20:50    [W:0.035 / U:9.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site