From patchwork Fri Jul 12 08:17:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11041831 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 6990B912 for ; Fri, 12 Jul 2019 08:19:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5C0D128BA0 for ; Fri, 12 Jul 2019 08:19:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4EC2E28BC9; Fri, 12 Jul 2019 08:19:22 +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 E21C828BA0 for ; 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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=U+mvq7dM7Si3wOFk7E/Nm3SbmyRrvYDss0NAEtpVQHrUIzmWR/Bwz3PBAJKD6xtEQc DQzl7vjjrH0ELv/7qIw3zvh8kCefU9bTiPiDVUOBsbWvx6XjR5uZFFlpfGeHVuwiIy/X n5UGXBJ++MUwoMARfZxEJqxBRPi1bPhxfb4mHBvreOGR0luyjTuawfeR5q9HoEhL1m5P GFXZuHUkMBdTroMLvGMz6/91Dev+vmQupxdKlRMBcJ/Pxo/Jp6v6Bhn9zA8kv+5Zepiu 87teQQ2mDZrvY+JY1IhOFRHWuW0wAleyld4gKHQooMq71RbE+U87nhjvEyVgvFzLfCU/ TIDw== X-Gm-Message-State: APjAAAWdIHPsq4hua/mxxrPdc+9/SGTMs05/PWNbMw3bR/c7GrS1WefK hsT1s+RcLnBbynfyInqZb3H4gseth/4t6/PqPoxKvg== X-Google-Smtp-Source: APXvYqzz2gJJL34hDMbBwPs85xg2+0dv7RK7cTbtv7ZbF6XViPSV/DLjekY0hrvbIynZL7ZvM95IzPNpuP225+5zbR75Zw== X-Received: by 2002:a63:3046:: with SMTP id w67mr9536501pgw.37.1562919492919; Fri, 12 Jul 2019 01:18:12 -0700 (PDT) Date: Fri, 12 Jul 2019 01:17:34 -0700 In-Reply-To: <20190712081744.87097-1-brendanhiggins@google.com> Message-Id: <20190712081744.87097-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190712081744.87097-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog Subject: [PATCH v9 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-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@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)