From: 秦龙飞 <qinlongfei.1@bytedance.com>
Date: Tue, 28 Mar 2023 05:47:59 +0000 (+0800)
Subject: Invoke rcu_register_thread() before its first call to rcu_read_lock()
X-Git-Tag: v3.4.dev~182
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dedf80b0a198becafe7b3eb4875d1ad3b013d464;p=thirdparty%2Fknot-dns.git

Invoke rcu_register_thread() before its first call to rcu_read_lock()
---

diff --git a/src/knot/common/stats.c b/src/knot/common/stats.c
index d2948c772d..12d2a9a2d6 100644
--- a/src/knot/common/stats.c
+++ b/src/knot/common/stats.c
@@ -247,6 +247,7 @@ static void dump_stats(server_t *server)
 
 static void *dumper(void *data)
 {
+	rcu_register_thread();
 	while (true) {
 		assert(stats.timer > 0);
 		sleep(stats.timer);
@@ -257,7 +258,7 @@ static void *dumper(void *data)
 		rcu_read_unlock();
 		pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
 	}
-
+	rcu_unregister_thread();
 	return NULL;
 }