From patchwork Mon Aug 12 18:24:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11090503 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 0EA171398 for ; Mon, 12 Aug 2019 18:25:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 010762842E for ; Mon, 12 Aug 2019 18:25:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E891C28477; Mon, 12 Aug 2019 18:25:05 +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 8D8292842E for ; Mon, 12 Aug 2019 18:25:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727002AbfHLSZE (ORCPT ); Mon, 12 Aug 2019 14:25:04 -0400 Received: from mail-pl1-f202.google.com ([209.85.214.202]:42027 "EHLO mail-pl1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726980AbfHLSZC (ORCPT ); Mon, 12 Aug 2019 14:25:02 -0400 Received: by mail-pl1-f202.google.com with SMTP id x1so19076372plm.9 for ; Mon, 12 Aug 2019 11:25:01 -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=TCXT4rGGA9pYgeGSCQOuwK+doWXPxrVb0AOPXxXQYGefHSTyEI76rZLOMEBucLYXJP Kl/YP3d/wByIytQWP4Kex8kaDH6aXm10JGy9E26rvvCKnc3kWivdZWxW7mVjjPVG1jdc B5d8cMNDdAEsb8NTNOmBKDM3Grrx/HJiMeWHQ25J7USIwDfTXkGqGcQUWCu16x4oIewF ArXvn7g3xON93c+6BDTa3AZGqLIr2NI17irPbGs2Lcc+bpTd4KtL3QtbRH+aysicvRrL s0pHKa7gRu0wDTB4A6uHp4C/kpR0hLfAxfUhmFjy8/5MrJWQJLRtKBIqN2ZlHzPzkuTo 6woA== 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=W0Ca6cJfSVYjBlljHmpOfH0FR/AdYrDwNjDcIAs5gm2Nv/SLtKKHdaXiz9zECGVUje FDVPZodUib4mVA5KIPtk9euIX7h42EI3yJcrP/5qKS70593Fw9fr5hFtM1N10s0cAfXB PmT/Exclm/pKi+VcDLAWmSh/Y5MN5kDltQOqI3BgSWGhd+deSAZxeLLR9K5dYaL+OR1A CsYsHCOiI1nfPWRhD4A167c52zZLzJQrDT/Uxf4ao5WTOe4/K+88D0C3GtumDiKWB7n4 vtL5EBjf6WocblfmCceSbb+rdR96H6qZUVuoGShLpvPRxPpXL7Myr2zz4yGGghoQ4V+Z B8QQ== X-Gm-Message-State: APjAAAUgj8qZn3gWHe7UiEvzF3kHBz1NTc8u0Z5pvVxBMLjG1AWed5n1 95tyFdUZd8B5lHnrwhGRLRqGNfqTloEDuCT4jYQCRQ== X-Google-Smtp-Source: APXvYqw92Wf36wL6Vq2NvamqmhQfIJvYCMbrqX7shiORRX3/SG4CRBa9Fefpmbw4Gnie+/T7oijkOxElDm0pwXK0Yzhrzw== X-Received: by 2002:a63:e901:: with SMTP id i1mr30762084pgh.451.1565634300656; Mon, 12 Aug 2019 11:25:00 -0700 (PDT) Date: Mon, 12 Aug 2019 11:24:11 -0700 In-Reply-To: <20190812182421.141150-1-brendanhiggins@google.com> Message-Id: <20190812182421.141150-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190812182421.141150-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.rc1.153.gdeed80330f-goog Subject: [PATCH v12 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 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 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)