From patchwork Tue Jul 9 06:30:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11036261 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 5531814E5 for ; Tue, 9 Jul 2019 06:34:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46B91286BE for ; Tue, 9 Jul 2019 06:34:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3A4612873B; Tue, 9 Jul 2019 06:34:42 +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 CB018286F2 for ; Tue, 9 Jul 2019 06:34:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726047AbfGIGef (ORCPT ); Tue, 9 Jul 2019 02:34:35 -0400 Received: from mail-qt1-f202.google.com ([209.85.160.202]:55875 "EHLO mail-qt1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725992AbfGIGef (ORCPT ); Tue, 9 Jul 2019 02:34:35 -0400 Received: by mail-qt1-f202.google.com with SMTP id s22so18490960qtb.22 for ; Mon, 08 Jul 2019 23:34:35 -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=zxmYDY9n+QBUjDbNH9DRIe0/wlKXcDbLcLkE9B0ZmxI=; b=C4g3uHhNIZIht1nDzDUYm5V2TjqZkqGF4g9U0/Ah+KUIKNc92+/rAoZLx/j01ufbx7 NTm9IwMbUppcuvs4/CbGM/P0DyEHMaX5TywaRSRvptj6oN81uoUUr62xNvGuYDcNVDhI 49JoB6UQIsqC/ex5+qHWG3RBZgDlLpJreDtgP29yMI72YRGwOp5k0fkqtT7o2iuSgqiU jq5xmkuTYFQ0vqw+N5FHoRuAmb15morhS8McfPpBFBEg4HYmxmXZTsCM3/1UF7oaf6qT 6YjxVprc/Kxlv2BBc7YWTCmJqDgvhPwsK5BvIOIwE6wSlnDUwRReHV24YJIEmr9unbnc X8sA== 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=zxmYDY9n+QBUjDbNH9DRIe0/wlKXcDbLcLkE9B0ZmxI=; b=CwG0C4FW21+LnQ66Fbi896rCtszM3J6t+C9nXwf2GK6dpmdpP2GTJbyOi0HH2PNmry c+wUDCOK099Lb6lMRlrTg7LaE3p49ZTqKkYjf0VwsgzG9toVAK4A2z0lp7wIEbGYPBJt pytzpQ/8pm2iAbY2yZ/HtBtSnelVt7chvOJ4HjV9VILduDP55dPjD2F+hNOfbWh9JFT7 fW5N8km95kRP6Vz94SY0+ObrEXPnbWOfq5iEQCdt4pRkqRfNGNGr6EcOfgU8T/ezmf38 q00LX62RciLNfayO12NfSKzQmyxw6JkWRbrdEWKDFJUvDByXyz+fjxdEnO+VAVpOeoX3 /hBw== X-Gm-Message-State: APjAAAVLhA9It9waEtsoDnK1pfMbN8Wt7zzsP8He94oEnogF9xTw1LwD cKvIv1K5QC14pzx7VuDfagvr8OxG+V71aoeoUDL8aA== X-Google-Smtp-Source: APXvYqwOwsIg2AU8i+/acrVUiG/ZVksl2o22EvWFY5S+OQozRKmXPRdDhqqqE6sia3AQVvck9Y39W2rm/r7998eZ/E7wPg== X-Received: by 2002:a0c:9895:: with SMTP id f21mr17680434qvd.123.1562654074507; Mon, 08 Jul 2019 23:34:34 -0700 (PDT) Date: Mon, 8 Jul 2019 23:30:13 -0700 In-Reply-To: <20190709063023.251446-1-brendanhiggins@google.com> Message-Id: <20190709063023.251446-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190709063023.251446-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog Subject: [PATCH v7 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 Link: https://www.spinics.net/lists/linux-kbuild/msg21708.html Cc: Josh Poimboeuf Cc: Peter Zijlstra Acked-by: Josh Poimboeuf --- 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)