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From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
To: paulmck@linux.vnet.ibm.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fix tasklist + find_pid() with CONFIG_PREEMPT_RCU
Date: Mon, 14 Dec 2009 11:15:22 +0900	[thread overview]
Message-ID: <200912140215.nBE2FMRk085925@www262.sakura.ne.jp> (raw)

Hello.

Below change (found at http://lkml.org/lkml/2008/1/30/1 ) is not yet applied
as of 2.6.32-git10 . Any reason not to apply?

> diff --git a/include/linux/pid.h b/include/linux/pid.h
> index e29a900..0ffb8cc 100644
> --- a/include/linux/pid.h
> +++ b/include/linux/pid.h
> @@ -100,8 +100,7 @@ struct pid_namespace;
>  extern struct pid_namespace init_pid_ns;
> 
>  /*
> - * look up a PID in the hash table. Must be called with the tasklist_lock
> - * or rcu_read_lock() held.
> + * look up a PID in the hash table. Must be called with the rcu_read_lock() held.
>   *
>   * find_pid_ns() finds the pid in the namespace specified
>   * find_pid() find the pid by its global id, i.e. in the init namespace

             reply	other threads:[~2009-12-14  2:15 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-14  2:15 Tetsuo Handa [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-01-29 16:40 Oleg Nesterov
2008-01-29 23:02 ` Andrew Morton
2008-01-30 14:17   ` Peter Zijlstra
2008-01-31 13:32   ` Ingo Molnar
2008-01-29 23:08 ` Andrew Morton
2008-01-30  2:16   ` Eric W. Biederman
2008-01-30  4:56     ` Paul E. McKenney
2008-01-30  3:24 ` Eric W. Biederman
2008-01-30  5:00   ` Paul E. McKenney
2008-01-30  9:20     ` Eric W. Biederman
2008-01-30  9:48       ` Oleg Nesterov
2008-01-30  9:30   ` Oleg Nesterov
2008-01-30 18:28     ` Eric W. Biederman
2008-01-31  9:31       ` Oleg Nesterov

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