From patchwork Wed Jul 17 01:55:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11047057 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3653C746 for ; Wed, 17 Jul 2019 01:57:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 283A628702 for ; Wed, 17 Jul 2019 01:57:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1AE2B2870E; Wed, 17 Jul 2019 01:57:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.5 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, USER_IN_DEF_DKIM_WL autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B0FA528702 for ; Wed, 17 Jul 2019 01:57:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727576AbfGQB4R (ORCPT ); Tue, 16 Jul 2019 21:56:17 -0400 Received: from mail-qk1-f202.google.com ([209.85.222.202]:38702 "EHLO mail-qk1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727512AbfGQB4Q (ORCPT ); Tue, 16 Jul 2019 21:56:16 -0400 Received: by mail-qk1-f202.google.com with SMTP id n190so18756713qkd.5 for ; Tue, 16 Jul 2019 18:56:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=lZlBFQY3Us5crfW9WSC4bzJfPTy9JBI0rQpN2XrR9wI=; b=tqrR9xFTwORg1QSrmBsFleKT9JOo0mWeTxGW4Cfwc/bY+SbwKbWZtnZC5uqvLPXSy0 fFTbFyRnOTfxluTh2q6BMZP1q+PSU3GiYh3dcvTTUMWsTDnE6XZgVauYWvDh+EbTKMPB KOgoPOnY6LBnwW9fDpo4DT805XeLouwSR15jHAff7jT0L9EmtILO0Z0eY1r1rCV8Q2i5 O5GViNSp0p+IvC97BTusPHUJbhRwBbnLV8q2bc7TmAONmWtyLpSkhVrAreIyO5wcuztq zhOnGzS12A0sd7xlto/kMnwO3Xxh5zXw/gRGmyzq7nhT8lD3eB9n4tJ+8f/lrXrHJcfq mv9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=lZlBFQY3Us5crfW9WSC4bzJfPTy9JBI0rQpN2XrR9wI=; b=HlatMwsNLzU92ag6tn9ML9tTyUkuA1UjqXn05yfNjnXJWnaVxbEFzQV5xP9NeOCtGL hRQXr0rg/OpsNtXYthGSeRgeQXNwQ2aHxiaXSpIz1wQ/v0qlhHqjo4CMHDMCwfJ5lr5v 1buIQodczpNhJNK1LjrMDdoCsFzp8assFJ3L472D2Ftl4iZM0tpxJLi19sY+AkTua/P/ p5n3y5fqY4UPKdlbEWTZ6QVhKoiY3f/WTN4mDzP0/RgdqmdNPFXEg9USGgmhD6kWBcRX RTDAZz7/EkP8wjYLGlpOTop1sWRxBHtx1BbFANolc83AJsgx6hCkNd3zDsvB3Zt2DUMD 8jGA== X-Gm-Message-State: APjAAAVgGHaPJpxi03N1XtfeIeCQqg9kAor5XbDi1jPhz3hrHPnN9EeT h1mAEX2VOc92DkTLhXNLutOpxxJNgxmx8LOzPJEnmg== X-Google-Smtp-Source: APXvYqy/TbQinVkJuiRr7In6NyYeP8GT0mPKVABGBjQoi+qfrDV3qI73/LYe4gjXEi7BN46B71HCJBM5Bwy+83T+EO8gPQ== X-Received: by 2002:aed:37a1:: with SMTP id j30mr25579345qtb.367.1563328575182; Tue, 16 Jul 2019 18:56:15 -0700 (PDT) Date: Tue, 16 Jul 2019 18:55:33 -0700 In-Reply-To: <20190717015543.152251-1-brendanhiggins@google.com> Message-Id: <20190717015543.152251-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190717015543.152251-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.22.0.510.g264f2c817a-goog Subject: [PATCH v11 08/18] objtool: add kunit_try_catch_throw to the noreturn list From: Brendan Higgins To: frowand.list@gmail.com, gregkh@linuxfoundation.org, jpoimboe@redhat.com, keescook@google.com, kieran.bingham@ideasonboard.com, mcgrof@kernel.org, peterz@infradead.org, robh@kernel.org, sboyd@kernel.org, shuah@kernel.org, tytso@mit.edu, yamada.masahiro@socionext.com Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-um@lists.infradead.org, Alexander.Levin@microsoft.com, Tim.Bird@sony.com, amir73il@gmail.com, dan.carpenter@oracle.com, daniel@ffwll.ch, jdike@addtoit.com, joel@jms.id.au, julia.lawall@lip6.fr, khilman@baylibre.com, knut.omang@oracle.com, logang@deltatee.com, mpe@ellerman.id.au, pmladek@suse.com, rdunlap@infradead.org, richard@nod.at, rientjes@google.com, rostedt@goodmis.org, wfg@linux.intel.com, Brendan Higgins , kbuild test robot Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fix the following warning seen on GCC 7.3: kunit/test-test.o: warning: objtool: kunit_test_unsuccessful_try() falls through to next function kunit_test_catch() kunit_try_catch_throw is a function added in the following patch in this series; it allows KUnit, a unit testing framework for the kernel, to bail out of a broken test. As a consequence, it is a new __noreturn function that objtool thinks is broken (as seen above). So fix this warning by adding kunit_try_catch_throw to objtool's noreturn list. Reported-by: kbuild test robot Signed-off-by: Brendan Higgins Acked-by: Josh Poimboeuf Link: https://www.spinics.net/lists/linux-kbuild/msg21708.html Cc: Peter Zijlstra --- tools/objtool/check.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 172f991957269..98db5fe85c797 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -134,6 +134,7 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func, "usercopy_abort", "machine_real_restart", "rewind_stack_do_exit", + "kunit_try_catch_throw", }; if (func->bind == STB_WEAK)