Home » Mailing list archives » linux-kernel » 2008 » September » 29

[PATCH] Markers : probe example fix teardown

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
[view in full thread]
From: Mathieu Desnoyers
Subject: [PATCH] Markers : probe example fix teardown
Date: Monday, September 29, 2008 - 8:09 am

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>
CC: Ingo Molnar <mingo@elte.hu>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: akpm@linux-foundation.org
CC: "Frank Ch. Eigler" <fche@redhat.com>
---
 samples/markers/probe-example.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6-lttng/samples/markers/probe-example.c
===================================================================
--- linux-2.6-lttng.orig/samples/markers/probe-example.c	2008-07-31 09:11:13.000000000 -0400
+++ linux-2.6-lttng/samples/markers/probe-example.c	2008-07-31 09:18:54.000000000 -0400
@@ -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);
-- 
Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
Messages in current thread:
[PATCH] markers: fix unregister bug and reenter bug, Lai Jiangshan, (Mon Sep 29, 1:00 am)
Re: [PATCH] markers: fix unregister bug and reenter bug, Ingo Molnar, (Mon Sep 29, 1:27 am)
Re: [PATCH] markers: fix unregister bug and reenter bug, Mathieu Desnoyers, (Mon Sep 29, 8:03 am)
Re: [PATCH] markers: fix unregister bug and reenter bug, Mathieu Desnoyers, (Mon Sep 29, 8:03 am)
[PATCH] Markers : marker_synchronize_unregister(), Mathieu Desnoyers, (Mon Sep 29, 8:05 am)
[PATCH] RCU read sched, Mathieu Desnoyers, (Mon Sep 29, 8:06 am)
Re: [PATCH] Markers use rcu_read_lock_sched(), Mathieu Desnoyers, (Mon Sep 29, 8:08 am)
[PATCH] Markers : probe example fix teardown, Mathieu Desnoyers, (Mon Sep 29, 8:09 am)
[PATCH] Markers : documentation fix teardown, Mathieu Desnoyers, (Mon Sep 29, 8:10 am)
[PATCH] sputrace : use marker_synchronize_unregister(), Mathieu Desnoyers, (Mon Sep 29, 8:11 am)
Re: [PATCH] sputrace : use marker_synchronize_unregister(), Christoph Hellwig, (Mon Sep 29, 8:13 am)
Re: [PATCH] sputrace : use marker_synchronize_unregister(), Jeremy Kerr, (Mon Sep 29, 5:28 pm)
Re: [PATCH] markers: fix unregister bug and reenter bug, Lai Jiangshan, (Mon Sep 29, 6:40 pm)
Re: [PATCH] Markers : marker_synchronize_unregister(), Lai Jiangshan, (Mon Sep 29, 6:47 pm)
Re: [PATCH] markers: fix unregister bug and reenter bug, Mathieu Desnoyers, (Mon Sep 29, 8:38 pm)
Re: [PATCH] sputrace : use marker_synchronize_unregister(), Ingo Molnar, (Tue Sep 30, 2:55 am)
Re: [PATCH] RCU read sched, Ingo Molnar, (Tue Sep 30, 3:08 am)
Re: [PATCH] Markers use rcu_read_lock_sched(), Ingo Molnar, (Tue Sep 30, 3:13 am)
Re: [Cbe-oss-dev] [PATCH] sputrace : use marker_synchroniz ..., Jeremy Kerr, (Tue Sep 30, 4:22 am)
Re: [Cbe-oss-dev] [PATCH] sputrace : use marker_synchroniz ..., Ingo Molnar, (Tue Sep 30, 4:30 am)
Re: [Cbe-oss-dev] [PATCH] sputrace : use marker_synchroniz ..., Jeremy Kerr, (Tue Sep 30, 4:34 am)
Re: [PATCH] RCU read sched, Paul E. McKenney, (Tue Sep 30, 6:10 am)
Re: [PATCH] RCU read sched, Paul E. McKenney, (Tue Sep 30, 6:10 am)