linux-kernel - Re: [PATCH -mm 2/2] keyctl_session_to_parent: use thread_group

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Message-ID: <26794.1269421001@redhat.com>
Date:	Wed, 24 Mar 2010 08:56:41 +0000
From:	David Howells <dhowells@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Roland McGrath <roland@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 2/2] keyctl_session_to_parent: use thread_group_empty() to check singlethreadness

Oleg Nesterov <oleg@...hat.com> wrote:

> No functional changes.
> 
> keyctl_session_to_parent() is the only user of signal->count which needs
> the correct value. Change it to use thread_group_empty() instead, this
> must be strictly equivalent under tasklist, and imho looks better.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: David Howells <dhowells@...hat.com>
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