From: Ingo Molnar <mingo@elte.hu>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: oleg@tv-sign.ru, linux-kernel@vger.kernel.org, dino@us.ibm.com,
tytso@us.ibm.com, dvhltc@us.ibm.com,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH -rt] catch put_task_struct RCU handling up to mainline
Date: Wed, 26 Jul 2006 10:34:37 +0200 [thread overview]
Message-ID: <20060726083437.GA15144@elte.hu> (raw)
In-Reply-To: <20060707192955.GA2219@us.ibm.com>
* Paul E. McKenney <paulmck@us.ibm.com> wrote:
> Hello!
>
> Due to the separate -rt and mainline evolution of RCU signal handling,
> the -rt patchset now makes each task struct go through two RCU grace
> periods, with one call_rcu() in release_task() and with another in
> put_task_struct(). Only the call_rcu() in release_task() is required,
> since this is the one that is associated with tearing down the task
> structure.
>
> This patch removes the extra call_rcu() in put_task_struct(), synching
> this up with mainline. Tested lightly on i386.
i've applied your patch to the -rt tree - we'll see how it goes.
Ingo
prev parent reply other threads:[~2006-07-26 8:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-07 19:29 [PATCH -rt] catch put_task_struct RCU handling up to mainline Paul E. McKenney
2006-07-07 22:56 ` Esben Nielsen
2006-07-07 23:15 ` Paul E. McKenney
2006-07-08 13:59 ` Esben Nielsen
2006-07-10 15:51 ` Paul E. McKenney
2006-07-10 18:10 ` Esben Nielsen
2006-07-10 17:48 ` Paul E. McKenney
2006-07-10 20:09 ` Esben Nielsen
2006-07-11 17:45 ` Paul E. McKenney
2006-07-26 8:34 ` Ingo Molnar [this message]
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