From: Christoph Lameter <cl@linux-foundation.org>
To: paulmck@linux.vnet.ibm.com
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
Ingo Molnar <mingo@elte.hu>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Andi Kleen <andi@firstfloor.org>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
Suresh Siddha <suresh.b.siddha@intel.com>,
Jens Axboe <jens.axboe@oracle.com>,
Rusty Russell <rusty@rustcorp.com.au>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] smp_call_function: use rwlocks on queues rather than rcu
Date: Fri, 22 Aug 2008 15:03:13 -0500 [thread overview]
Message-ID: <48AF1B81.3050806@linux-foundation.org> (raw)
In-Reply-To: <20080822195226.GJ6744@linux.vnet.ibm.com>
Paul E. McKenney wrote:
> I was indeed thinking in terms of the free from RCU being specially marked.
Isnt there some way to shorten the rcu periods significantly? Critical
sections do not take that long after all.
If the RCU periods are much shorter then the chance of cache hotness of the
objects is increased.
next prev parent reply other threads:[~2008-08-22 20:04 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-22 0:29 [PATCH 2/2] smp_call_function: use rwlocks on queues rather than rcu Jeremy Fitzhardinge
2008-08-22 1:53 ` Nick Piggin
2008-08-22 6:28 ` Ingo Molnar
2008-08-22 7:06 ` Pekka Enberg
2008-08-22 7:12 ` Ingo Molnar
2008-08-22 9:12 ` Nick Piggin
2008-08-22 14:01 ` Christoph Lameter
2008-08-22 15:11 ` Paul E. McKenney
2008-08-22 17:14 ` Christoph Lameter
2008-08-22 18:29 ` Paul E. McKenney
2008-08-22 18:33 ` Andi Kleen
2008-08-22 18:35 ` Jeremy Fitzhardinge
2008-08-23 7:34 ` Andi Kleen
2008-08-24 4:55 ` Jeremy Fitzhardinge
2008-08-24 9:01 ` Andi Kleen
2008-08-22 22:40 ` Paul E. McKenney
2008-08-22 18:36 ` Christoph Lameter
2008-08-22 19:52 ` Paul E. McKenney
2008-08-22 20:03 ` Christoph Lameter [this message]
2008-08-22 20:53 ` Paul E. McKenney
2008-08-25 10:31 ` Peter Zijlstra
2008-08-25 15:12 ` Paul E. McKenney
2008-08-25 15:22 ` Peter Zijlstra
2008-08-25 15:46 ` Christoph Lameter
2008-08-25 15:51 ` Peter Zijlstra
2008-08-26 13:43 ` Paul E. McKenney
2008-08-26 14:07 ` Peter Zijlstra
2008-08-27 15:16 ` Paul E. McKenney
2008-08-25 20:04 ` Paul E. McKenney
2008-08-26 5:13 ` Nick Piggin
2008-08-26 13:40 ` [PATCH 2/2] smp_call_function: use rwlocks on queues rather?than rcu Paul E. McKenney
2008-08-25 15:44 ` [PATCH 2/2] smp_call_function: use rwlocks on queues rather than rcu Christoph Lameter
2008-08-25 20:05 ` Paul E. McKenney
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