linux-kernel - Re: [PATCH 2/2] posix-cpu-timers: remove tasklist

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Date:	Fri, 12 Jun 2009 16:44:38 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Stanislaw Gruszka <sgruszka@...hat.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 2/2] posix-cpu-timers: remove tasklist_lock where we can

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.

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