--- /dev/null
+2011-06-27 Userspace RCU 0.6.3
+ * uatomic: Fix i386 compatibility build errors in uatomic.
+
+2011-06-13 Userspace RCU 0.6.2
+ * Fix build on powerpc.
+
+2011-06-13 Userspace RCU 0.6.1
+ * Add missing headers into release tarball:
+ urcu-call-rcu-impl.h and urcu-defer-impl.h
+
+2011-06-10 Userspace RCU 0.6.0
+ * Added call_rcu() support, graciously contributed by Paul E. McKenney.
+ * Added urcu/cds.h and merged all "Concurrent Data Containers" (CDS)
+ into a single .so: liburcu-cds.so to have a single header/shared
+ object holding all concurrency-aware data containers. It provides
+ support for RCU lists, queues and stacks at the moment.
+ * liburcu 0.6.0 now allows linking a single application with multiple
+ flavors of RCU. This required a library API change which is
+ incompatible with older 0.5.x liburcu. The .so version number
+ is therefore bumped from 0 to 1 (e.g. liburcu.so.1).
+ * Added "atfork" handling API, documented in README. Only useful for
+ processes using fork() without following exec().
+ * Renaming the following files, keeping the old files (producing a
+ compiler warning):
+ urcu/uatomic_arch.h -> urcu/uatomic.h
+ urcu/urcu-futex.h -> urcu/futex.h
+ urcu/urcu_ref.h -> urcu/ref.h
+
+2011-03-04 Userspace RCU 0.5.4
+ * urcu-bp: Update fork() handling
+
+ Introduce
+
+ extern void rcu_bp_before_fork(void);
+ extern void rcu_bp_after_fork_parent(void);
+ extern void rcu_bp_after_fork_child(void);
+
+ to handle fork gracefully. These disable signals and hold
+ the registry mutex across forks. (this flavor of the liburcu
+ library ("bp" for "bulletproof") is mainly used by UST, the
+ user-space tracer).
+
+2011-03-03 Userspace RCU 0.5.3
+ * Add support for older ARM single-CPU architecturess (pre-ARMv7)
+ (thanks to Jason Wessel from WindRiver).
+ * Fix ARMv7 cmm_rmb/cmm_wmb primitives (use a dmb barrier).
+ * Remove leftover list_t type from urcu/list.h (namespace cleanup).
+ * urcu_defer: handle malloc error value.
+ * Update README file to describe urcu interaction with fork() when not
+ * followed
+ by an exec() system call.
+
+2010-11-18 Userspace RCU 0.5.2
+ * Fix renaming error introduced in 0.5.0.
+
+2010-11-18 Userspace RCU 0.5.1
+ * Fix renaming error introduced in 0.5.0. (incomplete fix)
+
+2010-11-18 Userspace RCU 0.5.0
+ * 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
+
+2010-03-04 Userspace RCU 0.4.2
+ * Add generic uatomic ops support.
+ * Bugfix in urcu-bp. (rare garbage collection bug occurring in
+ multithreaded environment). Only affects urcu-bp users (UST).
+
+2010-02-12 Userspace RCU 0.4.1
+ * s390: compilation fix.
+
+2010-01-30 Userspace RCU 0.4.0
+ * API change: SIGURCU -> SIGRCU
+ * API changes: standardize on rcu_ prefix.
+ * API change: urcu_init -> rcu_init.
+ * urcu/config.h options renamed to CONFIG_RCU_HAVE_FENCE,
+ CONFIG_RCU_HAVE_FUTEX, CONFIG_RCU_SMP, CONFIG_RCU_COMPAT_ARCH.
+ ((moving from URCU -> RCU).
+ * library names changes: liburcu becomes the "default" version, using
+ sys_membarrier() when available, and using liburcu-mb as a
+ fallback.
+ * The signal-based liburcu is renamed from liburcu to
+ liburcu-signal. People previously using the signal-based
+ "liburcu" will automatically be moved to the "default" liburcu
+ version.
+
+2009-11-16 Userspace RCU 0.3.1
+ * Add support for sparcv9 32-bit build.
+ * Update build system to use --host instead of --target.
+
+2009-11-03 Userspace RCU 0.3.0
+ * API change for the "deferred work" interface.
+
+2009-10-14 Userspace RCU 0.2.3
+ * Move to autotools.
+ * Automated architecture detection, with i386 fallback.
+ * Detect if NR_futex is on the system, fallback on portable
+ alternatives.
+ * Add configure mode for UP-only systems.
+
+2009-10-02 Userspace RCU 0.2.2
+ * Phases out rcu_publish_content() api.
+ * Adds type checking to urcu-pointer.h pointer exchange primitives.
+
+2009-10-02 Userspace RCU 0.2.1
+ * small header dependency fix for rculist.h.
+ * new "liburcu-bp.so" : "Bulletproof RCU", made especially for
+ the UST userspace tracer. It's a library that sacrifices a bit
+ of read-side performance for automatically monitoring thread
+ creation/removal. See README for details.
+
+2009-10-01 Userspace RCU 0.2
+ * Clarify usage of rcu_cmpxchg_pointer, rcu_xchg_pointer,
+ rcu_set_pointer.
+
+2009-09-29 Userspace RCU 0.1
+ * Initial release.
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