From patchwork Tue Aug 20 23:20:36 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11105017 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 A654B1805 for ; Tue, 20 Aug 2019 23:22:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 855B123402 for ; Tue, 20 Aug 2019 23:22:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="JPSvTdqr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726695AbfHTXVS (ORCPT ); Tue, 20 Aug 2019 19:21:18 -0400 Received: from mail-qk1-f202.google.com ([209.85.222.202]:49585 "EHLO mail-qk1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726759AbfHTXVR (ORCPT ); Tue, 20 Aug 2019 19:21:17 -0400 Received: by mail-qk1-f202.google.com with SMTP id l14so203858qke.16 for ; Tue, 20 Aug 2019 16:21:16 -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=JPSvTdqrh5Hh7hmPhj7PWqFqjSO1pIitbg6P2pVs6R16DndX+uXzWVgyVVrWOFqwkb krpCIxpzbHY6OSf1BUFGonJTCWm2ABvcgKj+4ZkhPReEXTRKKgxCHtCYVoPySSPzRxdu DkJbZieHqOXFNnUqmCSsNo9Tukc3/7f58R2FRI/eWpyzGwwMUhQCebkt72Oi2fDqSbkV cti+345QxDVHZxwO+deZlFSFk1yEcErYxJM0g/FN6264KIjdj+ogwLW5Ni5WRRQSqqVW 5kFNE7dRZSLPPX1nSVetLzZP5UI4scCNwGBlpIGf1Bqai6FTQz1NbkglGkpv6/BArW7W B4WA== 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=lu9tB+53jqdp7n1uwvVSIKK59z937UdNFZ0ZgKQCXJLqxUtTUULYaDaNE+TezDTRgm z7kDdZjXepxskGr3Wf0jK6cB2ttDU5v9gG2PCXAnd/QDeQgAMSW2F2GEpEiLewxa/2sb bX0u0DCXzeki89UW80lEHRTCtBt7DnyZug7A8FWgPWCalLAZ5wnoJgao8cTobob7yqZ0 XLkIBmZ1wzf2jPbE2HA7zf/O48Ibv/CzuMYq9kWdQ0VwKg+LnJ37/WCLKOBbt4AOCxep Vq6xkWFzruwqr0v4OaBkUwO5kZKsdCOo9ywcZ2WGAl3bZqPxUMn6VM3TGid8PALAkCPI sg9A== X-Gm-Message-State: APjAAAU2/SzFk4LidKc05nNT3WsgymDrfCtHp/hYWTxV0m0ovimzm8sP gzrP/Th6sM90qvSN7IPTX7rs7EKU5tecGeDOR0BfCA== X-Google-Smtp-Source: APXvYqyHSDrw/H0KHUwTj03jK169STEQ/ER8j6HHgZyfEVFWAzdBG41wuCfhIFzlcxq30giOP1Z93ZVa6G2k4a5fw8FcGA== X-Received: by 2002:ad4:45d3:: with SMTP id v19mr16123072qvt.90.1566343275753; Tue, 20 Aug 2019 16:21:15 -0700 (PDT) Date: Tue, 20 Aug 2019 16:20:36 -0700 In-Reply-To: <20190820232046.50175-1-brendanhiggins@google.com> Message-Id: <20190820232046.50175-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190820232046.50175-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.rc1.153.gdeed80330f-goog Subject: [PATCH v14 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-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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)