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Date: Fri, 12 Jun 2009 16:44:38 +0200
From: Oleg Nesterov <oleg@redhat.com>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@elte.hu>,
       Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 2/2] posix-cpu-timers: remove tasklist_lock where we can
Message-ID: <20090612144438.GD3784@redhat.com>
References: <20090612103412.3c490e3e@dhcp-lab-109.englab.brq.redhat.com> <20090612140044.GB3784@redhat.com>
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On 06/12, Oleg Nesterov wrote:
>
> This reminds me. !CPUCLOCK_PERTHREAD timers survive after exec, but only
> if ->group_leader execs. Not good.

Perhaps cpu_timer_list should use "struct pid *" instead of
"struct task_struct *", but this requires a lot of changes.

Oleg.