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-rw-r--r--include/linux/rcupdate.h4
-rw-r--r--include/linux/rcutree.h2
-rw-r--r--include/linux/rcuwait.h6
-rw-r--r--include/trace/events/rcu.h9
4 files changed, 8 insertions, 13 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 88b42eb46406..e7c39c200e2b 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -84,7 +84,7 @@ static inline int rcu_preempt_depth(void)
/* Internal to kernel */
void rcu_init(void);
-extern int rcu_scheduler_active __read_mostly;
+extern int rcu_scheduler_active;
void rcu_sched_clock_irq(int user);
void rcu_report_dead(unsigned int cpu);
void rcutree_migrate_callbacks(int cpu);
@@ -924,7 +924,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void)
*
* kvfree_rcu(ptr);
*
- * where @ptr is a pointer to kvfree().
+ * where @ptr is the pointer to be freed by kvfree().
*
* Please note, head-less way of freeing is permitted to
* use from a context that has to follow might_sleep()
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 6cc91291d078..9c6cfb742504 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -62,7 +62,7 @@ static inline void rcu_irq_exit_check_preempt(void) { }
void exit_rcu(void);
void rcu_scheduler_starting(void);
-extern int rcu_scheduler_active __read_mostly;
+extern int rcu_scheduler_active;
void rcu_end_inkernel_boot(void);
bool rcu_inkernel_boot_has_ended(void);
bool rcu_is_watching(void);
diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h
index 61c56cca95c4..8052d34da782 100644
--- a/include/linux/rcuwait.h
+++ b/include/linux/rcuwait.h
@@ -47,11 +47,7 @@ static inline void prepare_to_rcuwait(struct rcuwait *w)
rcu_assign_pointer(w->task, current);
}
-static inline void finish_rcuwait(struct rcuwait *w)
-{
- rcu_assign_pointer(w->task, NULL);
- __set_current_state(TASK_RUNNING);
-}
+extern void finish_rcuwait(struct rcuwait *w);
#define rcuwait_wait_event(w, condition, state) \
({ \
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 670e41783edd..90b2fb0292cb 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -794,16 +794,15 @@ TRACE_EVENT_RCU(rcu_torture_read,
* Tracepoint for rcu_barrier() execution. The string "s" describes
* the rcu_barrier phase:
* "Begin": rcu_barrier() started.
+ * "CB": An rcu_barrier_callback() invoked a callback, not the last.
* "EarlyExit": rcu_barrier() piggybacked, thus early exit.
* "Inc1": rcu_barrier() piggyback check counter incremented.
- * "OfflineNoCBQ": rcu_barrier() found offline no-CBs CPU with callbacks.
- * "OnlineQ": rcu_barrier() found online CPU with callbacks.
- * "OnlineNQ": rcu_barrier() found online CPU, no callbacks.
+ * "Inc2": rcu_barrier() piggyback check counter incremented.
* "IRQ": An rcu_barrier_callback() callback posted on remote CPU.
* "IRQNQ": An rcu_barrier_callback() callback found no callbacks.
- * "CB": An rcu_barrier_callback() invoked a callback, not the last.
* "LastCB": An rcu_barrier_callback() invoked the last callback.
- * "Inc2": rcu_barrier() piggyback check counter incremented.
+ * "NQ": rcu_barrier() found a CPU with no callbacks.
+ * "OnlineQ": rcu_barrier() found online CPU with callbacks.
* The "cpu" argument is the CPU or -1 if meaningless, the "cnt" argument
* is the count of remaining callbacks, and "done" is the piggybacking count.
*/