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From: Jason Baron <jbaron@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, mathieu.desnoyers@polymtl.ca, hpa@zytor.com,
	tglx@linutronix.de, rostedt@goodmis.org, andi@firstfloor.org,
	roland@redhat.com, rth@redhat.com, mhiramat@redhat.com,
	fweisbec@gmail.com, avi@redhat.com, davem@davemloft.net,
	vgoyal@redhat.com, sam@ravnborg.org, tony@bakeyournoodle.com
Subject: [PATCH 04/12] jump label v10: initialize workqueue tracepoints *before* they are registered
Date: Tue, 27 Jul 2010 16:54:22 -0400	[thread overview]
Message-ID: <1bee778b2f9310b01743f56fea2a4a6c077e82ed.1280263065.git.jbaron@redhat.com> (raw)
In-Reply-To: <cover.1280263065.git.jbaron@redhat.com>

Initialize the workqueue data structures *before* they are registered
so that they are ready for callbacks.

Signed-off-by: Jason Baron <jbaron@redhat.com>
---
 kernel/trace/trace_workqueue.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c
index a7cc379..209b379 100644
--- a/kernel/trace/trace_workqueue.c
+++ b/kernel/trace/trace_workqueue.c
@@ -263,6 +263,11 @@ int __init trace_workqueue_early_init(void)
 {
 	int ret, cpu;
 
+	for_each_possible_cpu(cpu) {
+		spin_lock_init(&workqueue_cpu_stat(cpu)->lock);
+		INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);
+	}
+
 	ret = register_trace_workqueue_insertion(probe_workqueue_insertion, NULL);
 	if (ret)
 		goto out;
@@ -279,11 +284,6 @@ int __init trace_workqueue_early_init(void)
 	if (ret)
 		goto no_creation;
 
-	for_each_possible_cpu(cpu) {
-		spin_lock_init(&workqueue_cpu_stat(cpu)->lock);
-		INIT_LIST_HEAD(&workqueue_cpu_stat(cpu)->list);
-	}
-
 	return 0;
 
 no_creation:
-- 
1.7.1


  parent reply	other threads:[~2010-07-27 20:54 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-27 20:53 [PATCH 00/12] jump label v10 Jason Baron
2010-07-27 20:54 ` [PATCH 01/12] jump label v10: base patch Jason Baron
2010-07-27 20:54 ` [PATCH 02/12] jump label v10: add module support Jason Baron
2010-07-27 20:54 ` [PATCH 03/12] jump label v10: move ftrace_dyn_arch_init to common code Jason Baron
2010-07-27 20:54 ` Jason Baron [this message]
2010-07-27 20:54 ` [PATCH 05/12] jump label v10: jump_label_text_reserved() to reserve our jump points Jason Baron
2010-07-27 20:54 ` [PATCH 06/12] jump label v10: convert jump label to use a key Jason Baron
2010-07-28 20:37   ` David Miller
2010-07-27 20:54 ` [PATCH 07/12] jump label v10: use lib/sort.c Jason Baron
2010-07-28 20:40   ` David Miller
2010-07-27 20:54 ` [PATCH 08/12] jump label v10: tracepoint support Jason Baron
2010-07-27 20:54 ` [PATCH 09/12] jump label v10: convert dynamic debug to use jump labels Jason Baron
2010-07-27 20:54 ` [PATCH 10/12] jump label v10: x86 support Jason Baron
2010-07-27 20:54 ` [PATCH 11/12] jump label v10: add sparc64 support Jason Baron
2010-07-27 20:54 ` [PATCH 12/12] jump label v10: add docs Jason Baron
2010-07-28 19:34 ` [PATCH 00/12] jump label v10 David Miller
2010-07-28 20:14   ` Jason Baron
2010-07-28 20:24     ` David Miller
2010-07-28 20:42       ` Jason Baron
2010-07-28 21:09         ` David Miller
2010-07-29  5:25     ` David Miller

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