From: Ingo Molnar <mingo@elte.hu>
To: David Howells <dhowells@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: paulmck@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
niv@us.ibm.com, dvhltc@us.ibm.com, lethal@linux-sh.org,
kernel@wantstofly.org, matthew@wil.cx
Subject: Re: [PATCH] v4 RCU: the bloatwatch edition
Date: Wed, 6 May 2009 14:09:09 +0200 [thread overview]
Message-ID: <20090506120909.GR25203@elte.hu> (raw)
In-Reply-To: <12234.1241558327@redhat.com>
* David Howells <dhowells@redhat.com> wrote:
> Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
>
> > This patch is a version of RCU designed for (!SMP && EMBEDDED)
> > provided as a proof of concept of a small-footprint RCU implementation.
> > In particular, the implementation of synchronize_rcu() is extremely
> > lightweight and high performance. It passes rcutorture testing in each
> > of the four relevant configurations (combinations of NO_HZ and PREEMPT)
> > on x86. This saves about 900 bytes compared to Classic RCU, and a
> > couple kilobytes compared to Hierarchical RCU (updated to 2.6.29):
> > ...
> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
>
> Acked-by: David Howells <dhowells@redhat.com>
i'm wondering what Andrew thinks - he had objections, right?
Ingo
next prev parent reply other threads:[~2009-05-06 12:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-02 16:34 [PATCH] v4 RCU: the bloatwatch edition Paul E. McKenney
2009-05-05 21:18 ` David Howells
2009-05-06 12:09 ` Ingo Molnar [this message]
2009-05-06 18:24 ` Andrew Morton
2009-05-06 19:02 ` Paul E. McKenney
2009-05-06 19:19 ` Andrew Morton
2009-05-06 20:20 ` Paul E. McKenney
2009-05-06 22:22 ` David Howells
2009-05-06 22:51 ` Paul E. McKenney
2009-06-22 11:43 ` David Howells
2009-06-22 12:49 ` Ingo Molnar
2009-06-22 15:29 ` Andrew Morton
2009-06-22 16:07 ` Paul E. McKenney
2009-06-22 16:15 ` David Howells
2009-06-22 18:09 ` Paul E. McKenney
2009-06-22 16:30 ` Darren Hart
2009-06-22 17:08 ` Paul E. McKenney
2009-06-23 9:48 ` Ingo Molnar
2009-06-23 12:59 ` Paul E. McKenney
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