From f4a8ec4d6b5d2515987f4d2d37dfeb8d116d3fff Mon Sep 17 00:00:00 2001 From: Michael Jeanson Date: Mon, 18 Mar 2019 16:20:33 -0400 Subject: [PATCH] Fix: rcu: Remove wrapper definitions for obsolete RCU... (v5.1) See upstream commit : commit 6ba7d681aca22e53385bdb35b1d7662e61905760 Author: Paul E. McKenney Date: Wed Jan 9 15:22:03 2019 -0800 rcu: Remove wrapper definitions for obsolete RCU update functions None of synchronize_rcu_bh, synchronize_rcu_bh_expedited, call_rcu_bh, rcu_barrier_bh, synchronize_sched, synchronize_sched_expedited, call_rcu_sched, rcu_barrier_sched, get_state_synchronize_sched, and cond_synchronize_sched are actually used. This commit therefore removes their trivial wrapper-function definitions. Signed-off-by: Mathieu Desnoyers --- lttng-events.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lttng-events.c b/lttng-events.c index 3964df5f..742bec4d 100644 --- a/lttng-events.c +++ b/lttng-events.c @@ -76,7 +76,12 @@ int _lttng_field_statedump(struct lttng_session *session, void synchronize_trace(void) { +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0)) + synchronize_rcu(); +#else synchronize_sched(); +#endif + #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) #ifdef CONFIG_PREEMPT_RT_FULL synchronize_rcu(); -- 2.34.1