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=ham 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 892DB7D2F0 for ; Wed, 10 Jul 2019 07:16:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726951AbfGJHQi (ORCPT ); Wed, 10 Jul 2019 03:16:38 -0400 Received: from mail-qk1-f201.google.com ([209.85.222.201]:54729 "EHLO mail-qk1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726162AbfGJHQh (ORCPT ); Wed, 10 Jul 2019 03:16:37 -0400 Received: by mail-qk1-f201.google.com with SMTP id b139so1167350qkc.21 for ; Wed, 10 Jul 2019 00:16:37 -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=i+cHtqqH4D1BH2a9iTheu+r071sQgiMbeMpUxd8ISoM=; b=rXtTc/GOsRHQaJA6Ws9m+pPNjzj+5rLwHJOomjY2PFfSoikcebfEh5U/5Io+IpJ2JJ sM4s5p4wN84uuPK2wawFNwAGeY9GYiSz3gKcm4jFzMNbWra728QlSnFcIoeT+m1EAIpQ QYGB2VP1qrToWeK1FH7eNgzJf3m412kAZCT3ZN31EcDBjPTkvFUL4JSVf1OOOQLhkPxP qhKxwtWnOPYc2lStgRZSCL7PBZzLS8fq+h81Z2b/9gBDtF2PmASidrMput/8CQSYTF8q QhARbBGrlb61/UdpbwVrR2rxDIQXadxthWMUWtQilvHubiBfryuBwCriKQkCnPf+VzpZ Hp0A== 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=i+cHtqqH4D1BH2a9iTheu+r071sQgiMbeMpUxd8ISoM=; b=PCWzqINHBSLWqTh3zTj18s2La9ZwrVlzKKt3nNh7Btvy2xE0XQN8IEbdCTAwrrwPtI 8E7OgMDEM9SCQIqvA5iiPctGkSnpM0JzCcKp5m+n1gMP47HVcTmN18bDVWBYsFQGxevl Ok4LRg5dPxYeNeU4d6fUn0Ln1cNoA5/bsuERWHRwoXEJ1OgTxKAn0IhvHv6vnvIyJqWv qX60dqCJUM/wQlSRsOqav/Carq6Ra1ntSOZSyg1gOfLuaVmOlK63aIW37DjhssnftOV3 7lmjekx7XQ2RL+4WtL0RdQ06Dmpbu3R6G7VR88PQh8GENCBZqbz1HQ5JZ64cenDmvJE0 F9EQ== X-Gm-Message-State: APjAAAVo2Qd7uz/wMVKI5KYt/KqATYQilQU3I90HYN4nKBx3OWo7gxBf aJpZIRdd/WI+ACuvuN8oetE2z2H82tHxpID160Vklg== X-Google-Smtp-Source: APXvYqzYNxURl6tjKPLLeSDRwuA+Ulct62WFYCncfJUl0k0d7oT8xpOt/Y76tt3BkIrOVTj039P4TCLZz7hT/KHUodnwGg== X-Received: by 2002:a0c:f20e:: with SMTP id h14mr19332341qvk.246.1562742996789; Wed, 10 Jul 2019 00:16:36 -0700 (PDT) Date: Wed, 10 Jul 2019 00:14:58 -0700 In-Reply-To: <20190710071508.173491-1-brendanhiggins@google.com> Message-Id: <20190710071508.173491-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190710071508.173491-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog Subject: [PATCH v8 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 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) -- 2.22.0.410.gd8fdbe21b5-goog