X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=76aaabb4eac85fbb11aefc487bab627aa241a384;hb=6b702fa4ea05b4f6d37000d5cd26d19f0d0807e0;hp=ec483d925c0bdbfc85e8a0dfeb1690849a940705;hpb=31b8c659b3b02960a7c46a0d1392caa4471c9658;p=urcu.git

diff --git a/urcu-qsbr.c b/urcu-qsbr.c
index ec483d9..76aaabb 100644
--- a/urcu-qsbr.c
+++ b/urcu-qsbr.c
@@ -119,7 +119,7 @@ static void wait_gp(void)
 static void update_counter_and_wait(void)
 {
 	CDS_LIST_HEAD(qsreaders);
-	int wait_loops = 0;
+	unsigned int wait_loops = 0;
 	struct rcu_reader *index, *tmp;
 
 #if (CAA_BITS_PER_LONG < 64)
@@ -150,7 +150,6 @@ static void update_counter_and_wait(void)
 	 * Wait for each thread rcu_reader_qs_gp count to become 0.
 	 */
 	for (;;) {
-		wait_loops++;
 		if (wait_loops >= RCU_QS_ACTIVE_ATTEMPTS) {
 			uatomic_set(&gp_futex, -1);
 			/*
@@ -163,6 +162,8 @@ static void update_counter_and_wait(void)
 			}
 			/* Write futex before read reader_gp */
 			cmm_smp_mb();
+		} else {
+			wait_loops++;
 		}
 		cds_list_for_each_entry_safe(index, tmp, &registry, node) {
 			if (!rcu_gp_ongoing(&index->ctr))