linux-kernel - Re: [RELEASE] Userspace RCU 0.5.2

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Date:	Thu, 18 Nov 2010 22:22:59 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	David Goulet <david.goulet@...ymtl.ca>
Cc:	ltt-dev@...ts.casi.polymtl.ca, linux-kernel@...r.kernel.org
Subject: Re: [RELEASE] Userspace RCU 0.5.2

s/0.5.1/0.5.2/g

Now works fine on non-x86 architectures. I'll have to be more cautious in the
future for such large changes.

Mathieu

* Mathieu Desnoyers (mathieu.desnoyers@...icios.com) wrote:
> Well well, a renaming error seems to have crept into 0.5.0, which caused
> problems with atomic operations on 64-bit architectures.
> 
> I made sure no other similar problem exist. Anyone using 0.5.0 (released a few
> hours ago) should upgrade to 0.5.1.
> 
> Thank you,
> 
> Mathieu
> 
> * Mathieu Desnoyers (mathieu.desnoyers@...icios.com) wrote:
> > liburcu is a LGPLv2.1 userspace RCU (read-copy-update) library. This data
> > synchronization library provides read-side access which scales linearly with the
> > number of cores. It does so by allowing multiples copies of a given data
> > structure to live at the same time, and by monitoring the data structure
> > accesses to detect grace periods after which memory reclamation is possible.
> > 
> > Changelog:
> > 
> > * Version 0.5.0 changes the API presented by memory model, architecture
> >   abstraction and data structure primitives in headers. The prefixes are,
> >   respectively:
> >   - cmm_ : Concurrent Memory Model
> >   - caa_ : Concurrent Architecture Abstraction
> >   - cds_ : Concurrent Data Structures
> > 
> > This will make UST's life easier for instrumentation of large projects like
> > MariaDB and qemu.
> > 
> > Project website: http://lttng.org/urcu
> > Download link: http://www.lttng.org/files/urcu/
> > 
> > 
> > -- 
> > Mathieu Desnoyers
> > Operating System Efficiency R&D Consultant
> > EfficiOS Inc.
> > http://www.efficios.com
> 
> -- 
> Mathieu Desnoyers
> Operating System Efficiency R&D Consultant
> EfficiOS Inc.
> http://www.efficios.com

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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