linux-kernel - [RELEASE] Userspace RCU 0.11.3 and 0.12.2

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Date:   Wed, 17 Feb 2021 15:06:46 -0500 (EST)
From:   Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:     linux-kernel@...r.kernel.org, lttng-dev@...ts.lttng.org,
        rp@...s.cs.pdx.edu
Cc:     "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Lai Jiangshan <jiangshanlai@...il.com>, lwn@....net
Subject: [RELEASE] Userspace RCU 0.11.3 and 0.12.2

Hi,

This is a bugfix release announcement for the Userspace RCU library
(liburcu) for its two currently maintained branches.

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 multiple
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.

The Changelog entries highlight the relevant fixes:

2021-02-17 Userspace RCU 0.11.3
        * fix: exclude clang from GCC version blacklists
        * aarch64: blacklist gcc prior to 5.1
        * Fix: configure: support Autoconf 2.70
        * fix: bump tests thread limit to 4096
        * cleanup: Improve wording of CONFIG_RCU_DEBUG description
        * fix: explicitly include urcu/config.h in files using CONFIG_RCU_ defines
        * Fix typo in README.md
        * fix: add -lurcu-common to pkg-config libs for each flavor
        * call_rcu: Fix race between rcu_barrier() and call_rcu_data_free()

2021-02-17 Userspace RCU 0.12.2
        * fix: exclude clang from GCC version blacklists
        * aarch64: blacklist gcc prior to 5.1
        * Fix: configure: support Autoconf 2.70
        * fix: bump tests thread limit to 4096
        * cleanup: Improve wording of CONFIG_RCU_DEBUG description
        * fix: explicitly include urcu/config.h in files using CONFIG_RCU_ defines
        * Fix typo in README.md
        * fix: add -lurcu-common to pkg-config libs for each flavor
        * call_rcu: Fix race between rcu_barrier() and call_rcu_data_free()

Project website: http://liburcu.org
Git repository: git://git.liburcu.org/urcu.git

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com