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Fix: add missing rcu_barrier before daemon teardown
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
main.c
diff --git
a/src/bin/lttng-sessiond/main.c
b/src/bin/lttng-sessiond/main.c
index 85a35183fba5acc00a4cd80e755005c204396339..40670ddd52a5c150053e0ae0fe60ca6f1b252184 100644
(file)
--- a/
src/bin/lttng-sessiond/main.c
+++ b/
src/bin/lttng-sessiond/main.c
@@
-6147,6
+6147,12
@@
exit_client:
exit_health:
exit_init_data:
exit_health:
exit_init_data:
+ /*
+ * 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();
/*
* sessiond_cleanup() is called when no other thread is running, except
* the ht_cleanup thread, which is needed to destroy the hash tables.
/*
* sessiond_cleanup() is called when no other thread is running, except
* the ht_cleanup thread, which is needed to destroy the hash tables.
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