From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Date: Mon, 29 Sep 2008 15:11:47 +0000 (-0400)
Subject: sputrace: use marker_synchronize_unregister()
X-Git-Tag: v2.6.28-rc1~78^2~53
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5b9261d93e5fa3db4995d5b77b5ed365166e001c;p=linux-block.git

sputrace: use marker_synchronize_unregister()

We 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>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/powerpc/platforms/cell/spufs/sputrace.c b/arch/powerpc/platforms/cell/spufs/sputrace.c
index 92d20e993ede..2ece399f2862 100644
--- a/arch/powerpc/platforms/cell/spufs/sputrace.c
+++ b/arch/powerpc/platforms/cell/spufs/sputrace.c
@@ -232,6 +232,7 @@ static void __exit sputrace_exit(void)
 
 	remove_proc_entry("sputrace", NULL);
 	kfree(sputrace_log);
+	marker_synchronize_unregister();
 }
 
 module_init(sputrace_init);