From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 29 Sep 2008 11:11:47 -0400 From: Mathieu Desnoyers To: Ingo Molnar Subject: [PATCH] sputrace : use marker_synchronize_unregister() Message-ID: <20080929151147.GH11245@Krystal> References: <48E08B05.7030802@cn.fujitsu.com> <20080929082722.GB18663@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20080929082722.GB18663@elte.hu> Cc: Peter Zijlstra , Linux Kernel Mailing List , Steven Rostedt , Christoph Hellwig , linuxppc-dev@ozlabs.org, Jeremy Kerr , Andrew Morton , "Paul E. McKenney" , Lai Jiangshan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 CC: Ingo Molnar CC: Jeremy Kerr CC: linuxppc-dev@ozlabs.org CC: Christoph Hellwig --- 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 OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68