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=-12.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS 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 1D510C43219 for ; Mon, 29 Apr 2019 18:35:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDDCA20675 for ; Mon, 29 Apr 2019 18:35:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="N7IZqHza" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729124AbfD2Sf3 (ORCPT ); Mon, 29 Apr 2019 14:35:29 -0400 Received: from terminus.zytor.com ([198.137.202.136]:48179 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728962AbfD2Sf3 (ORCPT ); Mon, 29 Apr 2019 14:35:29 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x3TIXM1M1027359 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 29 Apr 2019 11:33:22 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x3TIXM1M1027359 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019041745; t=1556562804; bh=x8WNcoaGARUCBLFd77Kf/cOMvJFpzF7M2O4bHK1xiyY=; h=Date:From:Cc:Reply-To:In-Reply-To:References:To:Subject:From; b=N7IZqHzaHJ38rq/r7uxVNCG3D3TROJ6fip1scD55+bDnVuQliJ4ut/znhfS5ikNXD krmenxc4aVKyGRYrdyPRpkF4r7cbqSNpqQjIFrouN7qYo5tXMXwmv2s6lxWqVB+RwY rrhupGJOz19be0vh5mAWsfc4GRf/Fr4BVhW+69RNagFOHi9MhpFNOYsI4X2g4Ts4/x 7pbkdtSCrEIiPjwiuclB4Zp4aFD9c34UXsqD0mTcERaflXz7xNdEGZmLoNKwazj9mo +HaQZElfbAlr7Gx0JktHrrngqOO5Arx7SVnWtktuzZt7t+SyHjfzslmEEHeu3H1b9w 8EZIZNb1Ky4Aw== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x3TIXMbF1027355; Mon, 29 Apr 2019 11:33:22 -0700 Date: Mon, 29 Apr 2019 11:33:22 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Thomas Gleixner Message-ID: Cc: jthumshirn@suse.de, mbenes@suse.cz, dvyukov@google.com, clm@fb.com, josef@toxicpanda.com, snitzer@redhat.com, cl@linux.com, linux-kernel@vger.kernel.org, jpoimboe@redhat.com, dsterba@suse.com, mingo@kernel.org, akpm@linux-foundation.org, robin.murphy@arm.com, rppt@linux.vnet.ibm.com, airlied@linux.ie, rientjes@google.com, penberg@kernel.org, hpa@zytor.com, daniel@ffwll.ch, glider@google.com, akinobu.mita@gmail.com, catalin.marinas@arm.com, jani.nikula@linux.intel.com, luto@kernel.org, m.szyprowski@samsung.com, adobriyan@gmail.com, hch@lst.de, rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com, tom.zanussi@linux.intel.com, agk@redhat.com, rostedt@goodmis.org, maarten.lankhorst@linux.intel.com, aryabinin@virtuozzo.com, tglx@linutronix.de Reply-To: cl@linux.com, linux-kernel@vger.kernel.org, josef@toxicpanda.com, snitzer@redhat.com, clm@fb.com, dvyukov@google.com, mbenes@suse.cz, jthumshirn@suse.de, daniel@ffwll.ch, glider@google.com, rientjes@google.com, penberg@kernel.org, hpa@zytor.com, robin.murphy@arm.com, mingo@kernel.org, dsterba@suse.com, akpm@linux-foundation.org, rppt@linux.vnet.ibm.com, airlied@linux.ie, jpoimboe@redhat.com, luto@kernel.org, jani.nikula@linux.intel.com, akinobu.mita@gmail.com, catalin.marinas@arm.com, aryabinin@virtuozzo.com, maarten.lankhorst@linux.intel.com, tglx@linutronix.de, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, tom.zanussi@linux.intel.com, agk@redhat.com, rostedt@goodmis.org, m.szyprowski@samsung.com, adobriyan@gmail.com, hch@lst.de In-Reply-To: <20190425094801.501919093@linutronix.de> References: <20190425094801.501919093@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:core/stacktrace] backtrace-test: Simplify stack trace handling Git-Commit-ID: 1b59562d3ab09dcef188eb8055d05f0336380394 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 1b59562d3ab09dcef188eb8055d05f0336380394 Gitweb: https://git.kernel.org/tip/1b59562d3ab09dcef188eb8055d05f0336380394 Author: Thomas Gleixner AuthorDate: Thu, 25 Apr 2019 11:44:57 +0200 Committer: Thomas Gleixner CommitDate: Mon, 29 Apr 2019 12:37:47 +0200 backtrace-test: Simplify stack trace handling Replace the indirection through struct stack_trace by using the storage array based interfaces. Signed-off-by: Thomas Gleixner Reviewed-by: Josh Poimboeuf Cc: Andy Lutomirski Cc: Steven Rostedt Cc: Alexander Potapenko Cc: Alexey Dobriyan Cc: Andrew Morton Cc: Christoph Lameter Cc: Pekka Enberg Cc: linux-mm@kvack.org Cc: David Rientjes Cc: Catalin Marinas Cc: Dmitry Vyukov Cc: Andrey Ryabinin Cc: kasan-dev@googlegroups.com Cc: Mike Rapoport Cc: Akinobu Mita Cc: Christoph Hellwig Cc: iommu@lists.linux-foundation.org Cc: Robin Murphy Cc: Marek Szyprowski Cc: Johannes Thumshirn Cc: David Sterba Cc: Chris Mason Cc: Josef Bacik Cc: linux-btrfs@vger.kernel.org Cc: dm-devel@redhat.com Cc: Mike Snitzer Cc: Alasdair Kergon Cc: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org Cc: Joonas Lahtinen Cc: Maarten Lankhorst Cc: dri-devel@lists.freedesktop.org Cc: David Airlie Cc: Jani Nikula Cc: Rodrigo Vivi Cc: Tom Zanussi Cc: Miroslav Benes Cc: linux-arch@vger.kernel.org Link: https://lkml.kernel.org/r/20190425094801.501919093@linutronix.de --- kernel/backtracetest.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/kernel/backtracetest.c b/kernel/backtracetest.c index 1323360d90e3..a563c8fdad0d 100644 --- a/kernel/backtracetest.c +++ b/kernel/backtracetest.c @@ -48,19 +48,14 @@ static void backtrace_test_irq(void) #ifdef CONFIG_STACKTRACE static void backtrace_test_saved(void) { - struct stack_trace trace; unsigned long entries[8]; + unsigned int nr_entries; pr_info("Testing a saved backtrace.\n"); pr_info("The following trace is a kernel self test and not a bug!\n"); - trace.nr_entries = 0; - trace.max_entries = ARRAY_SIZE(entries); - trace.entries = entries; - trace.skip = 0; - - save_stack_trace(&trace); - print_stack_trace(&trace, 0); + nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0); + stack_trace_print(entries, nr_entries, 0); } #else static void backtrace_test_saved(void)