From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762988AbZBYWOi (ORCPT ); Wed, 25 Feb 2009 17:14:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759587AbZBYWNt (ORCPT ); Wed, 25 Feb 2009 17:13:49 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:54991 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758670AbZBYWNr (ORCPT ); Wed, 25 Feb 2009 17:13:47 -0500 Message-Id: <20090225221345.268246032@goodmis.org> References: <20090225221304.097297742@goodmis.org> User-Agent: quilt/0.46-1 Date: Wed, 25 Feb 2009 17:13:06 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Thomas Gleixner , Peter Zijlstra , Frederic Weisbecker , Theodore Tso , Arjan van de Ven , Pekka Paalanen , Arnaldo Carvalho de Melo , Jason Baron , Martin Bligh , Mathieu Desnoyers , "Frank Ch. Eigler" , KOSAKI Motohiro , Jens Axboe , Masami Hiramatsu , Steven Rostedt Subject: [PATCH 2/2] tracing: wrap arguments with PARAMS Content-Disposition: inline; filename=0002-tracing-wrap-arguments-with-PARAMS.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steven Rostedt Peter Zijlstra warned that TPPROTO and TPARGS might become something other than a simple copy of itself. To prevent this from having side effects in the TRACE_FORMAT macro in tracepoint.h, we add a PARAMS() macro to be defined as just a wrapper. Reported-by: Peter Zijlstra Signed-off-by: Steven Rostedt --- include/linux/tracepoint.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 3de09fa..62d1339 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -153,7 +153,8 @@ static inline void tracepoint_synchronize_unregister(void) synchronize_sched(); } +#define PARAMS(args...) args #define TRACE_FORMAT(name, proto, args, fmt) \ - DECLARE_TRACE(name, TPPROTO(proto), TPARGS(args)) + DECLARE_TRACE(name, PARAMS(proto), PARAMS(args)) #endif -- 1.5.6.5 --