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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 51089C07E9E for ; Thu, 8 Jul 2021 01:09:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C7E861183 for ; Thu, 8 Jul 2021 01:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230160AbhGHBMG (ORCPT ); Wed, 7 Jul 2021 21:12:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:52282 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230111AbhGHBMG (ORCPT ); Wed, 7 Jul 2021 21:12:06 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8FE9361CE5; Thu, 8 Jul 2021 01:09:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1625706565; bh=8kv2hzE/fWrdmYuWwLDL5wXejabyutqrDf6TB+ofz18=; h=Date:From:To:Subject:In-Reply-To:From; b=RZ6EIjGBpLk8NnzMzWzPVYdqw3CKFUPyc0EegGNDcd4krKbanlv3YktYucVqbbJ0s HpIHebD3yDloMQNzHzQ4acRK0QHQyIn/20YtYbeXa6LrUWQz8+Zq3ioh+DoAa5rfuw 2Q/r5/2Mji3Gbu4DTGLkQEBOyqvgtRdqfOGq43YQ= Date: Wed, 07 Jul 2021 18:09:24 -0700 From: Andrew Morton To: akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com, ast@kernel.org, bhe@redhat.com, bp@alien8.de, catalin.marinas@arm.com, dyoung@redhat.com, evgreen@chromium.org, hsinyi@chromium.org, jeyu@kernel.org, jolsa@kernel.org, khlebnikov@yandex-team.ru, linux-mm@kvack.org, linux@rasmusvillemoes.dk, mingo@redhat.com, mm-commits@vger.kernel.org, pmladek@suse.com, rostedt@goodmis.org, sashal@kernel.org, sergey.senozhatsky@gmail.com, swboyd@chromium.org, tglx@linutronix.de, torvalds@linux-foundation.org, vgoyal@redhat.com, will@kernel.org, willy@infradead.org Subject: [patch 36/54] arm64: stacktrace: use %pSb for backtrace printing Message-ID: <20210708010924.mkoZjstH1%akpm@linux-foundation.org> In-Reply-To: <20210707175950.eceddb86c6c555555d4730e2@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Stephen Boyd Subject: arm64: stacktrace: use %pSb for backtrace printing Let's use the new printk format to print the stacktrace entry when printing a backtrace to the kernel logs. This will include any module's build ID[1] in it so that offline/crash debugging can easily locate the debuginfo for a module via something like debuginfod[2]. Link: https://lkml.kernel.org/r/20210511003845.2429846-7-swboyd@chromium.org Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1] Link: https://sourceware.org/elfutils/Debuginfod.html [2] Signed-off-by: Stephen Boyd Acked-by: Catalin Marinas Cc: Will Deacon Cc: Jiri Olsa Cc: Alexei Starovoitov Cc: Jessica Yu Cc: Evan Green Cc: Hsin-Yi Wang Cc: Petr Mladek Cc: Steven Rostedt Cc: Andy Shevchenko Cc: Matthew Wilcox Cc: Baoquan He Cc: Borislav Petkov Cc: Dave Young Cc: Ingo Molnar Cc: Konstantin Khlebnikov Cc: Rasmus Villemoes Cc: Sasha Levin Cc: Sergey Senozhatsky Cc: Thomas Gleixner Cc: Vivek Goyal Signed-off-by: Andrew Morton --- arch/arm64/kernel/stacktrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm64/kernel/stacktrace.c~arm64-stacktrace-use-%psb-for-backtrace-printing +++ a/arch/arm64/kernel/stacktrace.c @@ -153,7 +153,7 @@ NOKPROBE_SYMBOL(walk_stackframe); static void dump_backtrace_entry(unsigned long where, const char *loglvl) { - printk("%s %pS\n", loglvl, (void *)where); + printk("%s %pSb\n", loglvl, (void *)where); } void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk, _