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Fix: add missing rcu_barrier before daemon teardown
[lttng-tools.git]
/
src
/
bin
/
lttng-relayd
/
main.c
diff --git
a/src/bin/lttng-relayd/main.c
b/src/bin/lttng-relayd/main.c
index 7b313818e5c09a5719339740f47b2787304d461b..919c5a96a7a2baa1680febd84ccb9e225fa3a386 100644
(file)
--- a/
src/bin/lttng-relayd/main.c
+++ b/
src/bin/lttng-relayd/main.c
@@
-2937,6
+2937,12
@@
exit_init_data:
health_app_destroy(health_relayd);
exit_health_app_create:
exit_options:
health_app_destroy(health_relayd);
exit_health_app_create:
exit_options:
+ /*
+ * Wait for all pending call_rcu work to complete before tearing
+ * down data structures. call_rcu worker may be trying to
+ * perform lookups in those structures.
+ */
+ rcu_barrier();
relayd_cleanup();
/* Ensure all prior call_rcu are done. */
relayd_cleanup();
/* Ensure all prior call_rcu are done. */
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