linux-kernel - [RELEASE] Userspace RCU library (liburcu) 0.2.1

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Message-ID: <20091002170548.GA19796@Krystal>
Date:	Fri, 2 Oct 2009 13:05:48 -0400
From:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
To:	Josh Triplett <josh@...htriplett.org>,
	Jon Bernard <jbernard@...ian.org>,
	Jan Blunck <jblunck@...e.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Pierre Habouzit <madcoder@...ian.org>,
	Steven Munroe <munroesj@...ux.vnet.ibm.com>,
	Bert Wesarg <bert.wesarg@...glemail.com>,
	Pierre-Marc Fournier <pierre-marc.fournier@...ymtl.ca>
Cc:	linux-kernel@...r.kernel.org, rp@...s.cs.pdx.edu,
	ltt-dev@...ts.casi.polymtl.ca
Subject: [RELEASE] Userspace RCU library (liburcu) 0.2.1

Hello,

Userspace RCU 0.2.1 includes:

- small header dependency fix for rculist.h.
- new "liburcu-bp.so" : "Bulletproof RCU", made especially for the UST
  userspace tracer. It's a library that sacrifices a bit of read-side
  performance for automatically monitoring thread creation/removal. See
  README for details.

Thanks,

Mathieu

* Mathieu Desnoyers (mathieu.desnoyers@...ymtl.ca) wrote:
> Hi,
> 
> Here is a 0.2 version of the urcu library. It should clarify usage of
> 
> rcu_cmpxchg_pointer
> rcu_xchg_pointer
> rcu_set_pointer
> 
> which are the recommended primitives to deal with pointers.
> rcu_assign_pointer(ptr, new) is provided as compatibility layer with the
> Linux kernel semantic, but note that its semantic for the first
> parameter is IMHO odd and differs from rcu_{cmpxchg,xchg,set}_pointer.
> 
> Website URL:
> http://lttng.org/urcu
> 
> Direct link to the package:
> http://www.lttng.org/files/urcu/userspace-rcu-0.2.tar.gz
> 
> Thanks,
> 
> Mathieu
> 
> -- 
> Mathieu Desnoyers
> OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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