From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 15:09:15 +0000 (-0400)
Subject: markers: probe example, fix teardown
X-Git-Tag: v2.6.28-rc1~78^2~55
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=531d297569014e8f889b167a2d15d72429faead1;p=pandora-kernel.git

markers: probe example, fix teardown

Need a marker_synchronize_unregister() before the end of exit() to make sure
every probe callers have exited the non preemptible section and thus are not
executing the probe code anymore.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/samples/markers/probe-example.c b/samples/markers/probe-example.c
index c8e099d4d1fd..2dfb3b32937e 100644
--- a/samples/markers/probe-example.c
+++ b/samples/markers/probe-example.c
@@ -81,6 +81,7 @@ static void __exit probe_fini(void)
 			probe_array[i].probe_func, &probe_array[i]);
 	printk(KERN_INFO "Number of event b : %u\n",
 			atomic_read(&eventb_count));
+	marker_synchronize_unregister();
 }
 
 module_init(probe_init);