* [patch 5/5] sputrace : use marker_synchronize_unregister()
[not found] <20081001160324.889716972@polymtl.ca>
@ 2008-10-01 16:03 ` Mathieu Desnoyers
0 siblings, 0 replies; only message in thread
From: Mathieu Desnoyers @ 2008-10-01 16:03 UTC (permalink / raw)
To: Ingo Molnar, linux-kernel
Cc: Christoph Hellwig, linuxppc-dev, Mathieu Desnoyers, Jeremy Kerr
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
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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