From patchwork Mon Sep 23 09:02:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11156497 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B93AF912 for ; Mon, 23 Sep 2019 09:04:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9696221907 for ; Mon, 23 Sep 2019 09:04:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="qFxdsLMi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438820AbfIWJDT (ORCPT ); Mon, 23 Sep 2019 05:03:19 -0400 Received: from mail-pf1-f202.google.com ([209.85.210.202]:47533 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438729AbfIWJDR (ORCPT ); Mon, 23 Sep 2019 05:03:17 -0400 Received: by mail-pf1-f202.google.com with SMTP id t65so9677544pfd.14 for ; Mon, 23 Sep 2019 02:03:17 -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=Ps4mUI1wXYQhLtVI103dUb/qTWn9bG8Bcp8PtHYLuE4=; b=qFxdsLMix9SuTOm0MqeSjHtbvUU/0+OVOoudDPyyuONAd7hDphar1IPavEzQZvPuKF 4zApBd/WkrRJaMotHA8Gz8e364EwfwrjcSj2Q+OgpEFUlBWHejV7VwF5SxR3jXc3iwTm +KueNreMBToJhGaIwgcRWU2ncBL2txp5eZa9EeYIdKtYAC74wbaFkI/zcNThcsgV0LHt 4pJu+ofH8cxDOingwsv26mOPBC5gk5MG8HIO0L6v/8d7ZvscGBi3MWx5+l8SyLzH2Eey 9KV+cYRLRYJQoFhhWy7zrsF/glsxruQ50pQ+Ri2tg5svkFiEkHLGdUrTr2UyJpXuokUB IYlQ== 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=Ps4mUI1wXYQhLtVI103dUb/qTWn9bG8Bcp8PtHYLuE4=; b=boX5AQM5NlhaMB9jXhjFbtsvdBrNPk9AVWI4Tz0KcUQ/ZsiE5vl9T4/e9oNVzThjil wCVLdEdCFaedx1Zi/xCfx531Mw6dftQaFyHDOT62TcDCRoHgjmx29FSK/uIeyTH8EAyV Zkv8JlflHXMTLbZg9SattxMF5CB1II8oV86MF7+OcTl5aWxOXlI0d3g5fecD3ssKYCvx 6720PlwmmaG9kI5xO0oTtnNVFDAcPZySBCjylrqk4KJp3AqdVrdSzHjPevSJF8YI5vJn 8HGl69oeDSHuAwSiXFXExXuN1llfaJw1XpCri27tBdEHLLw+fDmz5skRS62WVun9IKrg so2A== X-Gm-Message-State: APjAAAW/PtgmBMyz7QtuZmncyYa1J7lxyl2UrS4mmJW4mrv7dnxXGTHV WMrJJcoJ7C1shLs8/SyPT6jXPDMRgh+NrXkY/XaufQ== X-Google-Smtp-Source: APXvYqxZtpb+vxVfs6KdEpv95n2czjshe/ga6Yeu5rhPTDLYFp2Lda7Njju8cJbWVakX1V0GRGWCC35NALYsFoQ/9SEM6Q== X-Received: by 2002:a65:6659:: with SMTP id z25mr1323921pgv.23.1569229396529; Mon, 23 Sep 2019 02:03:16 -0700 (PDT) Date: Mon, 23 Sep 2019 02:02:38 -0700 In-Reply-To: <20190923090249.127984-1-brendanhiggins@google.com> Message-Id: <20190923090249.127984-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190923090249.127984-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.351.gc4317032e6-goog Subject: [PATCH v18 08/19] 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, torvalds@linux-foundation.org, Brendan Higgins , kbuild test robot Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@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 176f2f084060..0c8e17f946cd 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)