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 503D17D919 for ; Mon, 12 Aug 2019 18:26:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727005AbfHLSZH (ORCPT ); Mon, 12 Aug 2019 14:25:07 -0400 Received: from mail-pl1-f202.google.com ([209.85.214.202]:32872 "EHLO mail-pl1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726976AbfHLSZB (ORCPT ); Mon, 12 Aug 2019 14:25:01 -0400 Received: by mail-pl1-f202.google.com with SMTP id f5so11678340plr.0 for ; Mon, 12 Aug 2019 11:25:01 -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=TCXT4rGGA9pYgeGSCQOuwK+doWXPxrVb0AOPXxXQYGefHSTyEI76rZLOMEBucLYXJP Kl/YP3d/wByIytQWP4Kex8kaDH6aXm10JGy9E26rvvCKnc3kWivdZWxW7mVjjPVG1jdc B5d8cMNDdAEsb8NTNOmBKDM3Grrx/HJiMeWHQ25J7USIwDfTXkGqGcQUWCu16x4oIewF ArXvn7g3xON93c+6BDTa3AZGqLIr2NI17irPbGs2Lcc+bpTd4KtL3QtbRH+aysicvRrL s0pHKa7gRu0wDTB4A6uHp4C/kpR0hLfAxfUhmFjy8/5MrJWQJLRtKBIqN2ZlHzPzkuTo 6woA== 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=dt+Pqqw9RSqk9spIkpU160YR2Y9uirnZk6vMeGbyEfUMbAtvFcXMbm/pEUTJ/nrXxD knAxUZZzZoE/5+DMiYq7+PPxOT90dPccK8jFPcW8iYmyyuxtXZhhROEzs0ZQSYSxv8G2 UaUFLM+HEnYcLT2fmLfue5jExDN86CzK3zUDaJhrvSbPnJpFscHes0r29GeTjduFVQfm q8fo6aR0pVgljZkncPCL0CcVJrOV4rQ3mLaE08glYwYr4VP9vz66s0UKJiPu4f65yDlI PkRb8wV3Ra9O0kjnZNsMuMxCaGe/bExcBZh2lXeMja9ayP9hkCWFeTtUV89d+cLl2Qku sj4g== X-Gm-Message-State: APjAAAUPw9+nyWX9RSDkf41CntmHVSclOnwCDbOle4459m263DLdnhqp hRG0b0FimVnUxpPlUzn/6+IVAQHS9S37V12L4a+xDQ== X-Google-Smtp-Source: APXvYqw92Wf36wL6Vq2NvamqmhQfIJvYCMbrqX7shiORRX3/SG4CRBa9Fefpmbw4Gnie+/T7oijkOxElDm0pwXK0Yzhrzw== X-Received: by 2002:a63:e901:: with SMTP id i1mr30762084pgh.451.1565634300656; Mon, 12 Aug 2019 11:25:00 -0700 (PDT) Date: Mon, 12 Aug 2019 11:24:11 -0700 In-Reply-To: <20190812182421.141150-1-brendanhiggins@google.com> Message-Id: <20190812182421.141150-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190812182421.141150-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.rc1.153.gdeed80330f-goog Subject: [PATCH v12 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