lkml.org 
[lkml]   [2009]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectptrace && cred_exec_mutex (Was: [PATCH] ptrace: tracehook_unsafe_exec: remove the stale comment)
(change subject, add more CCs)

On 04/23, Roland McGrath wrote:
>
> > tracehook_unsafe_exec() doesn't need task_lock(), remove the old comment.
>
> Please make it instead say that cred_exec_mutex is held by the caller
> through the exec.

Yes. Except it looks like ->cred_exec_mutex is never used in fact.

ptrace_attach() takes current->cred_exec_mutex ? iow, ptrace and exec
use different locks ?

Oleg.



\
 
 \ /
  Last update: 2009-04-24 18:51    [from the cache]
©2003-2011 Jasper Spaans