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-rw-r--r--include/linux/rcutiny.h21
1 files changed, 16 insertions, 5 deletions
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 13877cb93a6..52b3e0281fd 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -27,7 +27,9 @@
#include <linux/cache.h>
-#define rcu_init_sched() do { } while (0)
+static inline void rcu_init(void)
+{
+}
#ifdef CONFIG_TINY_RCU
@@ -58,6 +60,11 @@ static inline void synchronize_rcu_bh_expedited(void)
synchronize_sched();
}
+static inline void synchronize_sched_expedited(void)
+{
+ synchronize_sched();
+}
+
#ifdef CONFIG_TINY_RCU
static inline void rcu_preempt_note_context_switch(void)
@@ -93,6 +100,14 @@ static inline void rcu_note_context_switch(int cpu)
}
/*
+ * Take advantage of the fact that there is only one CPU, which
+ * allows us to ignore virtualization-based context switches.
+ */
+static inline void rcu_virt_note_context_switch(int cpu)
+{
+}
+
+/*
* Return the number of grace periods.
*/
static inline long rcu_batches_completed(void)
@@ -125,16 +140,12 @@ static inline void rcu_cpu_stall_reset(void)
}
#ifdef CONFIG_DEBUG_LOCK_ALLOC
-
extern int rcu_scheduler_active __read_mostly;
extern void rcu_scheduler_starting(void);
-
#else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
-
static inline void rcu_scheduler_starting(void)
{
}
-
#endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
#endif /* __LINUX_RCUTINY_H */