+2014-11-04 Userspace RCU 0.8.6
+ * Fix: silence gcc -Wextra warning
+ * compiler: use __GNUC__ instead of the undefined __GNUC_MAJOR__
+ * Fix: lfstack reversed empty/non-empty return value
+ * lfstack: fix: add missing __cds_lfs_init
+
+2014-10-21 Userspace RCU 0.8.5
+ * Fix: preserve example files' timestamps when copying
+ * rculfhash: remove duplicated code
+ * rculfhash: handle pthread_create failures
+ * rculfhash: fall back to single-threaded resize on calloc failure
+ * x86: drop extra semi-colon in caa_cpu_relax
+ * Fix: Use after free in rcu_barrier()
+ * Fix: rcu_barrier(): uninitialized futex field
+ * call_rcu threads should clear their PAUSED flag when they unpause
+ * Fix: bring back dummy rcu_bp_exit symbol
+
+2014-03-08 Userspace RCU 0.8.4
+ * Fix: move wait loop increment before first conditional block
+
+2014-03-01 Userspace RCU 0.8.3
+ * Fix: high cpu usage in synchronize_rcu with long RCU read-side C.S.
+