Re: [PATCH v2 1/3] coredump: use get_task_comm for %e filename format

WANG Cong
2011-05-12T10:49:10Z

On Thu, 12 May 2011 08:18:11 +0200, Jiri Slaby wrote:

> We currently access current->comm directly. As we have
> prctl(PR_SET_NAME), we need the access be protected by task_lock. This
> is exactly what get_task_comm does, so use it.
>
> I'm not 100% convinced prctl(PR_SET_NAME) may be called at the time of
> core dump, but the locking won't hurt. Note that siglock is not held in
> format_corename.

John Stultz is working on some patches to convert get_task_common()
to printk %ptc, you will not need to worry about the locking issue.

Thanks.