[PATCH] sputrace : use marker_synchronize_unregister()

[Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>]

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>
CC: Ingo Molnar <mingo@elte.hu>
CC: Jeremy Kerr <jk@ozlabs.org>
CC: linuxppc-dev@ozlabs.org
CC: Christoph Hellwig <hch@infradead.org>
---
 arch/powerpc/platforms/cell/spufs/sputrace.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6-lttng/arch/powerpc/platforms/cell/spufs/sputrace.c
===================================================================
--- linux-2.6-lttng.orig/arch/powerpc/platforms/cell/spufs/sputrace.c	2008-07-31 09:34:58.000000000 -0400
+++ linux-2.6-lttng/arch/powerpc/platforms/cell/spufs/sputrace.c	2008-07-31 09:35:15.000000000 -0400
@@ -233,6 +233,7 @@ static void __exit sputrace_exit(void)
 
 	remove_proc_entry("sputrace", NULL);
 	kfree(sputrace_log);
+	marker_synchronize_unregister();
 }
 
 module_init(sputrace_init);
-- 
Mathieu Desnoyers
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