From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 28 Sep 2011 20:03:13 +0000 (-0400)
Subject: Create default call rcu data upon per-cpu call-rcu teardown
X-Git-Tag: v0.6.5~9
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=698d07788379df492ad55767bdb84bc24d93c20f;p=userspace-rcu.git

Create default call rcu data upon per-cpu call-rcu teardown

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/urcu-call-rcu-impl.h b/urcu-call-rcu-impl.h
index f9250e8..3e947af 100644
--- a/urcu-call-rcu-impl.h
+++ b/urcu-call-rcu-impl.h
@@ -609,6 +609,8 @@ void call_rcu_data_free(struct call_rcu_data *crdp)
 		_CMM_STORE_SHARED(crdp->cbs.head, NULL);
 		cbs_tail = (struct cds_wfq_node **)
 			uatomic_xchg(&crdp->cbs.tail, &crdp->cbs.head);
+		/* Create default call rcu data if need be */
+		(void) get_default_call_rcu_data();
 		cbs_endprev = (struct cds_wfq_node **)
 			uatomic_xchg(&default_call_rcu_data, cbs_tail);
 		*cbs_endprev = cbs;