From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Thu, 12 Feb 2009 21:53:23 +0000 (-0500)
Subject: Add missing cpu_relax in loop
X-Git-Tag: v0.1~283
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=3b55dbf4ce37054fa097a827a0e4ab322cf18ca0;p=userspace-rcu.git

Add missing cpu_relax in loop

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
---

diff --git a/urcu.c b/urcu.c
index 8cbdef9..b04b121 100644
--- a/urcu.c
+++ b/urcu.c
@@ -159,6 +159,8 @@ void wait_for_quiescent_state(void)
 			if (wait_loops++ == KICK_READER_LOOPS) {
 				force_mb_single_thread(index->tid);
 				wait_loops = 0;
+			} else {
+				cpu_relax();
 			}
 		}
 	}