linux-kernel - Re: ptrace: selinux_bprm_committed_creds: simplify __wake_up_parent() code and s/parent/real

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Date:	Sun, 3 May 2009 22:10:27 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Roland McGrath <roland@...hat.com>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	Eric Paris <eparis@...isplace.org>,
	James Morris <jmorris@...ei.org>, linux-kernel@...r.kernel.org
Subject: Re: ptrace: selinux_bprm_committed_creds: simplify
	__wake_up_parent() code and s/parent/real_parent/

On 04/30, Roland McGrath wrote:
>
> > Afaics, with this patch the only user of ->parent outside of ptrace.c & co
> > is arch/ia64/kernel/mca.c:format_mca_init_stack(). Hopefully ->parent will
> > die soon.
>
> You could clean it up today with:
> 	tracehook_finish_clone(p, 0, 0);

Yes... but we still need to initialize real_parent/group_leader. This code
is so special, perhaps it is better to just remove "p->parent = " later and
do not add "#include tracehook". We will see.

Oleg.

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