[lttng-dev] [RELEASE] Userspace RCU 0.7.6

[Stephen Hemminger]

On Wed, 9 Jan 2013 13:46:17 -0500
Mathieu Desnoyers <mathieu.desnoyers at 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)