From: John Kacur <jkacur@xxxxxxxxxx> kernel/rcutorture.c:492: error: ‘synchronize_rcu_bh’ undeclared here (not in a function) synchronize_rcu_bh() is not just called as a normal function, but can also be referenced as a function pointer. When CONFIG_PREEMPT_RT_FULL is enabled, synchronize_rcu_bh() is defined as synchronize_rcu(), but needs to be defined without the parenthesis because the compiler will complain when synchronize_rcu_bh is referenced as a function pointer and not a function. Link: http://lkml.kernel.org/r/1321235083-21756-1-git-send-email-jkacur@xxxxxxxxxx Cc: stable-rt@xxxxxxxxxxxxxxx Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> Signed-off-by: John Kacur <jkacur@xxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> --- include/linux/rcutree.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index 7a25aea..3bf47dc 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -60,7 +60,7 @@ static inline void exit_rcu(void) #ifndef CONFIG_PREEMPT_RT_FULL extern void synchronize_rcu_bh(void); #else -# define synchronize_rcu_bh() synchronize_rcu() +# define synchronize_rcu_bh synchronize_rcu #endif extern void synchronize_sched_expedited(void); extern void synchronize_rcu_expedited(void); -- 1.7.7.1
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