From: Christoph Hellwig <hch@infradead.org>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, dipankar@in.ibm.com,
rusty@au1.ibm.com, bmark@us.ibm.com
Subject: Re: [RFC,PATCH] Use RCU to protect tasklist for unicast signals
Date: Thu, 11 Aug 2005 18:14:51 +0100 [thread overview]
Message-ID: <20050811171451.GA5108@infradead.org> (raw)
In-Reply-To: <20050810171145.GA1945@us.ibm.com>
On Wed, Aug 10, 2005 at 10:11:45AM -0700, Paul E. McKenney wrote:
> Hello!
>
> This patch is an experiment in use of RCU for individual code paths that
> read-acquire the tasklist lock, in this case, unicast signal delivery.
> It passes five kernbenches on 4-CPU x86, but obviously needs much more
> testing before it is considered for serious use, let alone inclusion.
I think we should switch over tasklist_lock to RCU completely instead of
adding suck hacks. I've started lots of preparation work to get rid of
tasklist_lock users outside of kernel/, especialy getting rid of any
use in modules.
next prev parent reply other threads:[~2005-08-11 17:14 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-10 17:11 Paul E. McKenney
2005-08-11 9:56 ` Ingo Molnar
2005-08-11 14:14 ` Paul E. McKenney
2005-08-12 2:00 ` Lee Revell
2005-08-12 6:36 ` Ingo Molnar
2005-08-12 20:57 ` Paul E. McKenney
2005-08-11 17:14 ` Christoph Hellwig [this message]
2005-08-11 17:56 ` Paul E. McKenney
2005-08-11 18:00 ` Dipankar Sarma
2005-08-11 18:12 ` Dipankar Sarma
2005-08-11 12:16 Oleg Nesterov
2005-08-11 15:20 ` Paul E. McKenney
2005-08-12 1:56 ` Paul E. McKenney
2005-08-12 8:51 ` Oleg Nesterov
2005-08-12 15:42 ` Paul E. McKenney
2005-08-15 17:44 ` Paul E. McKenney
2005-08-16 8:14 ` Ingo Molnar
2005-08-16 11:56 ` Oleg Nesterov
2005-08-16 17:07 ` Paul E. McKenney
2005-08-17 1:48 ` Paul E. McKenney
2005-08-17 6:35 ` Ingo Molnar
2005-08-17 14:35 ` Oleg Nesterov
2005-08-17 21:19 ` Paul E. McKenney
2005-08-18 11:48 ` Oleg Nesterov
2005-08-19 1:29 ` Paul E. McKenney
2005-08-19 13:27 ` Oleg Nesterov
2005-08-19 18:34 ` Paul E. McKenney
2005-08-18 12:24 ` Oleg Nesterov
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