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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754007AbYI2PL5 (ORCPT ); Mon, 29 Sep 2008 11:11:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751483AbYI2PLu (ORCPT ); Mon, 29 Sep 2008 11:11:50 -0400 Received: from tomts43.bellnexxia.net ([209.226.175.110]:41847 "EHLO tomts43-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751293AbYI2PLu (ORCPT ); Mon, 29 Sep 2008 11:11:50 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgUFAL+L4EhMQWq+/2dsb2JhbACBYrowgWc Date: Mon, 29 Sep 2008 11:11:47 -0400 From: Mathieu Desnoyers To: Ingo Molnar Cc: Lai Jiangshan , Andrew Morton , "Paul E. McKenney" , Linux Kernel Mailing List , Steven Rostedt , Peter Zijlstra , Jeremy Kerr , linuxppc-dev@ozlabs.org, Christoph Hellwig 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 Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: <20080929082722.GB18663@elte.hu> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 11:10:54 up 116 days, 19:51, 9 users, load average: 0.58, 0.62, 0.51 User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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