Add summary of rt changes

svn path=/dists/sid/linux/; revision=21336

debian/changelog

@@ -122,7 +122,19 @@ linux (3.14.4-1) UNRELEASED; urgency=medium
     (Closes: #747364)
   * [hppa] udeb: Add xfs-modules (Closes: #746506)
   * udeb: Add mtip32xx, nvme to sata-modules
-  * [rt] Update to 3.14.3-rt5
+  * [rt] Update to 3.14.3-rt5:
+    - tracing: use migrate_disable() to prevent beeing pushed off the cpu
+    - rwsem-rt: Do not allow readers to nest
+    - Revert "migrate_disable pushd down in atomic_dec_and_spin_lock"
+    - rwlock: disable migration before taking a lock
+    - timer: do not spin_trylock() on UP
+    - stomp-machine: Fix wait for completion
+    - stomp-machine: create lg_global_trylock_relax() primitive
+    - stomp-machine: use lg_global_trylock_relax() to dead with
+      stop_cpus_lock lglock
+    - blk-mq: revert raw locks, post pone notifier to POST_DEAD
+    - use EXPORT_SYMBOL() on __rt_mutex_init() and rt_down_write_nested_lock()
+    - netconsole: Allow use with PREEMPT_RT_FULL
   * aufs: Update to aufs3.14-20140512:
     - bugfix, stop calling security_mmap_file() again