From: Stephen Hemminger <shemminger@vyatta.com>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: linux-kernel@vger.kernel.org, lttng-dev@lists.lttng.org,
rp@svcs.cs.pdx.edu,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [RELEASE] Userspace RCU 0.7.6
Date: Thu, 10 Jan 2013 08:32:47 -0800 [thread overview]
Message-ID: <20130110083247.591ad0ba@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <20130109184616.GA14968@Krystal>
On Wed, 9 Jan 2013 13:46:17 -0500
Mathieu Desnoyers <mathieu.desnoyers@efficios.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.
>
> liburcu-cds provides efficient data structures based on RCU and
> lock-free algorithms. Those structures include hash tables, queues,
> stacks, and doubly-linked lists.
>
> This is a bugfix release, mainly fixing handling of processes using
> call_rcu, then fork() without following exec(), and then continuing use
> of synchronize_rcu() or call_rcu() in the child process. A hang in
> synchronize_rcu() in the child could occur, which is fixed by this
> release.
>
> Changelog:
> 2013-01-09 Userspace RCU 0.7.6
> * Discourage use of pthread_atfork() for call_rcu handlers
> * Fix call_rcu fork handling
> * test: fork handling
> * Fix TLS detection: test with linker, add --disable-compiler-tls
> * Cleanup: cast pthread_self() return value to unsigned long
> * Fallback mechanism not working on platform where TLS is unsupported
>
> Project website: http://lttng.org/urcu
> Download link: http://lttng.org/files/urcu/
>
Why is the git repository still at 0.7.4 and there is no tag for 0.7.6?
Am I looking at the right place?
$ git remote -v
origin git://git.lttng.org/userspace-rcu.git (fetch)
next prev parent reply other threads:[~2013-01-10 16:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-09 18:46 [RELEASE] Userspace RCU 0.7.6 Mathieu Desnoyers
2013-01-10 16:32 ` Stephen Hemminger [this message]
2013-01-10 16:42 ` Mathieu Desnoyers
2013-01-10 16:57 ` Stephen Hemminger
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