From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F0D9C4CEC9 for ; Wed, 18 Sep 2019 14:00:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6E95121924 for ; Wed, 18 Sep 2019 14:00:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729580AbfIROA0 (ORCPT ); Wed, 18 Sep 2019 10:00:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:57586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726038AbfIROAZ (ORCPT ); Wed, 18 Sep 2019 10:00:25 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 640E421907; Wed, 18 Sep 2019 14:00:24 +0000 (UTC) Date: Wed, 18 Sep 2019 10:00:23 -0400 From: Steven Rostedt To: Sakari Ailus Cc: Petr Mladek , linux-kernel@vger.kernel.org, rafael@kernel.org, Andy Shevchenko , linux-acpi@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Heikki Krogerus , Joe Perches Subject: Re: [PATCH v7 09/13] lib/vsprintf: Add a note on re-using %pf or %pF Message-ID: <20190918100023.078e3b8e@gandalf.local.home> In-Reply-To: <20190918133419.7969-10-sakari.ailus@linux.intel.com> References: <20190918133419.7969-1-sakari.ailus@linux.intel.com> <20190918133419.7969-10-sakari.ailus@linux.intel.com> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Wed, 18 Sep 2019 16:34:15 +0300 Sakari Ailus wrote: > Add a note warning of re-use of obsolete %pf or %pF extensions. > > Signed-off-by: Sakari Ailus > Cc: Steven Rostedt Suggested-by: Steven Rostedt (VMware) > --- > lib/vsprintf.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/lib/vsprintf.c b/lib/vsprintf.c > index b00b57f9f911f..df59818537b52 100644 > --- a/lib/vsprintf.c > +++ b/lib/vsprintf.c > @@ -2008,6 +2008,8 @@ static char *kobject_string(char *buf, char *end, void *ptr, > * - 'S' For symbolic direct pointers (or function descriptors) with offset > * - 's' For symbolic direct pointers (or function descriptors) without offset > * - '[Ss]R' as above with __builtin_extract_return_addr() translation > + * - '[Ff]' Obsolete an now unsupported extension for printing direct pointers "Obsolete and now"? -- Steve > + * or function descriptors. Be careful when re-using %pf or %pF! > * - 'B' For backtraced symbolic direct pointers with offset > * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] > * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201]