From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Fri, 6 Feb 2009 02:14:20 +0000 (-0500)
Subject: fix wait_for_quiescent_state
X-Git-Tag: v0.1~326
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=f858d07ab45c9a50e458cdcc9d5b26cbaa765de3;p=urcu.git

fix wait_for_quiescent_state
---

diff --git a/urcu.c b/urcu.c
index ee79d1e..232a57b 100644
--- a/urcu.c
+++ b/urcu.c
@@ -101,7 +101,7 @@ void wait_for_quiescent_state(int parity)
 		/*
 		 * BUSY-LOOP.
 		 */
-		while (*index->urcu_active_readers != 0)
+		while (index->urcu_active_readers[parity] != 0)
 			barrier();
 	}
 	/*
@@ -134,8 +134,8 @@ void *urcu_publish_content(void **ptr, void *new)
 	 */
 	oldptr = *ptr;
 	*ptr = new;
-	wmb();		/* Write ptr before changing the qparity */
 	/* All threads should read qparity before ptr */
+	/* Write ptr before changing the qparity */
 	force_mb_all_threads();
 	prev_parity = switch_next_urcu_qparity();