[rtems commit] smptests/smpmrsp01: Update run indicator only once

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    ad0743db07f60a4ce629aba75edcfb74281c006d
Changeset: http://git.rtems.org/rtems/commit/?id=ad0743db07f60a4ce629aba75edcfb74281c006d

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Dec 22 15:10:32 2014 +0100

smptests/smpmrsp01: Update run indicator only once

On the Freescale T2080 the excessive concurrent write/read lead to a
livelock condition.

---

 testsuites/smptests/smpmrsp01/init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/testsuites/smptests/smpmrsp01/init.c b/testsuites/smptests/smpmrsp01/init.c
index 224cea3..f01caea 100644
--- a/testsuites/smptests/smpmrsp01/init.c
+++ b/testsuites/smptests/smpmrsp01/init.c
@@ -212,8 +212,10 @@ static void run_task(rtems_task_argument arg)
 {
   volatile bool *run = (volatile bool *) arg;
 
+  *run = true;
+
   while (true) {
-    *run = true;
+    /* Do nothing */
   }
 }