rcu: Remove restrictions on no-CBs CPUs

[linux-2.6-microblaze.git] / include / linux / smpboot.h

diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index c65dee0..13e9296 100644 (file)
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -24,6 +24,9 @@ struct smpboot_thread_data;
  *                     parked (cpu offline)
  * @unpark:            Optional unpark function, called when the thread is
  *                     unparked (cpu online)
+ * @pre_unpark:                Optional unpark function, called before the thread is
+ *                     unparked (cpu online). This is not guaranteed to be
+ *                     called on the target cpu of the thread. Careful!
  * @selfparking:       Thread is not parked by the park function.
  * @thread_comm:       The base name of the thread
  */
@@ -37,6 +40,7 @@ struct smp_hotplug_thread {
        void                            (*cleanup)(unsigned int cpu, bool online);
        void                            (*park)(unsigned int cpu);
        void                            (*unpark)(unsigned int cpu);
+       void                            (*pre_unpark)(unsigned int cpu);
        bool                            selfparking;
        const char                      *thread_comm;
 };