diff options
Diffstat (limited to 'recipes-kernel/lttng/lttng-modules/0002-Fix-rcu-Remove-wrapper-definitions-for-obsolete-RCU..patch')
| -rw-r--r-- | recipes-kernel/lttng/lttng-modules/0002-Fix-rcu-Remove-wrapper-definitions-for-obsolete-RCU..patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/recipes-kernel/lttng/lttng-modules/0002-Fix-rcu-Remove-wrapper-definitions-for-obsolete-RCU..patch b/recipes-kernel/lttng/lttng-modules/0002-Fix-rcu-Remove-wrapper-definitions-for-obsolete-RCU..patch new file mode 100644 index 00000000..9d7fcf21 --- /dev/null +++ b/recipes-kernel/lttng/lttng-modules/0002-Fix-rcu-Remove-wrapper-definitions-for-obsolete-RCU..patch @@ -0,0 +1,48 @@ +From 68f073a5cdd89f905cb39895f5c2f160a6585672 Mon Sep 17 00:00:00 2001 +From: Michael Jeanson <mjeanson@efficios.com> +Date: Mon, 18 Mar 2019 16:20:33 -0400 +Subject: [PATCH 2/5] Fix: rcu: Remove wrapper definitions for obsolete RCU... + (v5.1) + +See upstream commit : + +commit 6ba7d681aca22e53385bdb35b1d7662e61905760 +Author: Paul E. McKenney <paulmck@linux.ibm.com> +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. + +Upstream-Status: Backport [http://git.lttng.org/?p=lttng-modules.git;a=commit;h=92da05ce1f73488a57e7fd79e9c03113cefdb76f] + +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com> +--- + lttng-events.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/lttng-events.c b/lttng-events.c +index 47431ca..3481bd4 100644 +--- a/lttng-events.c ++++ b/lttng-events.c +@@ -89,7 +89,12 @@ 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(); +-- +2.17.0 + |