Re: [PATCH -tip] v5 RCU: the bloatwatch edition

From: Paul Mundt
Date: Tue Jun 23 2009 - 12:40:50 EST

On Tue, Jun 23, 2009 at 09:12:17AM -0700, Paul E. McKenney wrote:
> This patch is a -tip 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 1263 bytes compared to Classic RCU, and more than
> three kilobytes compared to Hierarchical RCU (updated to 2.6.30):

> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> Acked-by: David Howells <dhowells@xxxxxxxxxx>

Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>
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