From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-13.3 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_NONE, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 324FA7D982 for ; Wed, 14 Aug 2019 05:53:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727346AbfHNFxd (ORCPT ); Wed, 14 Aug 2019 01:53:33 -0400 Received: from mail-pl1-f201.google.com ([209.85.214.201]:53363 "EHLO mail-pl1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727619AbfHNFwc (ORCPT ); Wed, 14 Aug 2019 01:52:32 -0400 Received: by mail-pl1-f201.google.com with SMTP id y22so64166218plr.20 for ; Tue, 13 Aug 2019 22:52:31 -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=dJI3f1SN7FHCWsT2YqJJAK+Vl1EvHBTDcI6eHyMtfac=; b=sDK5BT/dvFb/4wwwQc1PTpPfH2empuHwtwW683jTc1/UBzcVhObxNP6pBGFilT0sdq YjFA/RSQMApVVG+t8h1ynCnvPdjVkkT4nFOBzw6j86bvAZfGFyoYXaIKH1aOmyN2jmCD jUU/GIuMEPnspV2nccFjXTCmkzDGT+WZ84tAAqSxmHfl/ERNtjccEG5kl3wcxEb9cTTq HoSgKYVtNTanG5OqH7HxaTtMxnQztFLBRlhJ5hoYcT1Yny5tYkm3VtA63Leys4fWCsMI KbnsbQWD30WYxkZtVqZaWnTXS2XmF8P1lMAnt7SfjvXusNDDBGHrhs/Rz5S38DPj/h3r n92A== 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=dJI3f1SN7FHCWsT2YqJJAK+Vl1EvHBTDcI6eHyMtfac=; b=clP+OgmgaJvyhQqwym0W+56cMu9vipGsbeELwH4Yxr9+hOomBxTAvGj6H5LfNO5hPa fgXMxLiCC3QflaN7HPrJ7zrCa3FsAUZY2Tzwp1fYQMrY6Z6pdPVtHz2+QerD2o0N4d7n ErNxuXBXGpq20YLpNCGXhbPI1Kiq2ehaYHKOl5nARfdwTOzyk02JOMLXGI6LcVAjYE0g L/TnVWrpUAN1+MgBNqdTfX8XmWknsJIzsPAWVhHfme8RcCRXtfBX61j9L8UfY+xC+p0J sFkSyrJ4bFYhwyXvTnkKbhAx15dAXLNOLHPjC1JJqyImtguq3vrslnU9bowjltrNOREq 3e8w== X-Gm-Message-State: APjAAAUs07dd928XgGUy7pxPZUExgF+8g8hWUp+M2y10ocB1demq8jw5 jZYAd7X0USkIMJdv+Yg58wpyKbLcJiulgXwKMrcscQ== X-Google-Smtp-Source: APXvYqx15GDkg8PQB7JqjQGJp0JcWDFj1Zkf1yox9JkFPI/5qXF/sLjhNwC7NbFBzfAoGHt2OonLFNZNFwcrsUAQ3uzHkA== X-Received: by 2002:a63:3006:: with SMTP id w6mr37892554pgw.440.1565761950937; Tue, 13 Aug 2019 22:52:30 -0700 (PDT) Date: Tue, 13 Aug 2019 22:50:58 -0700 In-Reply-To: <20190814055108.214253-1-brendanhiggins@google.com> Message-Id: <20190814055108.214253-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190814055108.214253-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.rc1.153.gdeed80330f-goog Subject: [PATCH v13 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 Content-Type: text/plain; charset="UTF-8" Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org 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 176f2f0840609..0c8e17f946cda 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -145,6 +145,7 @@ static bool __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) -- 2.23.0.rc1.153.gdeed80330f-goog