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SubjectRe: [RELEASE] Userspace RCU 0.7.6
On Thu, 10 Jan 2013 11:42:41 -0500
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:

> * Stephen Hemminger (shemminger@vyatta.com) wrote:
> > 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)
>
> I tried doing this to confirm:
>
> git clone git://git.lttng.org/userspace-rcu.git
> cd userspace-rcu
> git tag -l
>
> and v0.7.6 is there.
>
> Please note that this tag is in the stable-0.7 branch (not master).
>
> Please let me know if the problem persists for you after making sure you
> use the right branch.
>
> Thanks,
>
> Mathieu
>

Ok, I didn't see the stable branch.


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