From patchwork Sat Aug 24 01:34:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brendan Higgins X-Patchwork-Id: 11112725 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 674C9912 for ; Sat, 24 Aug 2019 01:36:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4355A233A0 for ; Sat, 24 Aug 2019 01:36:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="f8H53a2t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727352AbfHXBfA (ORCPT ); Fri, 23 Aug 2019 21:35:00 -0400 Received: from mail-pf1-f201.google.com ([209.85.210.201]:51671 "EHLO mail-pf1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727340AbfHXBe7 (ORCPT ); Fri, 23 Aug 2019 21:34:59 -0400 Received: by mail-pf1-f201.google.com with SMTP id v134so7700423pfc.18 for ; Fri, 23 Aug 2019 18:34:58 -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=jaLMQno2Ebqgr4Mv8vNWz/EEBwUpKviBFEGImDCb0Hs=; b=f8H53a2tmaRVR+1PJzJmfieaxzNc93W/5OvfTk/11u92tAINu1c6dz5memScfayl9C /tOrEOoGpLi/C5p9pT0zjbFqBXJ1yt4gWwTFok7LGc1a1E6deXwepr7PJ/AAN8LubPTb rL06b+afh8wx2tiEm5oZHM3SyD+jwulLnT2rmJryn3phHAQdr7ngX4D1v3Vnj0dX7bT+ YiVLX9AQacwGS12YvebGUhnHjSDGGKgFIHvblEL5gh3CDBw/CFbz1nQAj38SKMd85db+ AP8UcIz6dua15nLdCZfgfFXdwzTpJMsXZZnjUFxYXmZ6se3sUARfroFkhlHMrLpMAjkb 098w== 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=jaLMQno2Ebqgr4Mv8vNWz/EEBwUpKviBFEGImDCb0Hs=; b=ayM8Fx4T/TDr2vORXTrXW5pnkowIYTJe62oOUriTrX9ilOyNXq3zzpFKm2Xfc/TjVG tIYS1eTwsTX5GP2r3vgW6Oej7j5Z3PX6hPUu/+lFFX6AXvq8mlulqnbHVLPAvNoRKxRp rjAaTbi7DZJVftXnc+L65jNEO6empdc/uKQKyCik/VZHZnjys3FML9GVT5dt+dNydDT/ W20bMM60A0JMV8lWx0+H1xWSDRsEK6zYQE90sYG6FX3IcqKm55PvGgz6WZ7Ri7mcb8li pzBj/CBZt+cW/GqD262anTlLHHnM8K9At9FcL++jhcqmuV+c5PdcXSMQ1w5GA67T5IWj ezXw== X-Gm-Message-State: APjAAAXaEWa70kIAbXGE97D1oBVcJGwiNa5xXVABu4qlhgKnRd6SRdQG ejbOTSQmI/cp0eNe8IKTkCTV7dUtmV1afTU1jYG9/w== X-Google-Smtp-Source: APXvYqwwY0z16/Y5LFe1Kr5SFliVwpKhegFAUuIw0n+JTAXCBngAGiksy37d5bPtQpg+dxcki1Cv+Q34b9f8TsIeql59jA== X-Received: by 2002:a65:5b8e:: with SMTP id i14mr6412981pgr.188.1566610497783; Fri, 23 Aug 2019 18:34:57 -0700 (PDT) Date: Fri, 23 Aug 2019 18:34:15 -0700 In-Reply-To: <20190824013425.175645-1-brendanhiggins@google.com> Message-Id: <20190824013425.175645-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190824013425.175645-1-brendanhiggins@google.com> X-Mailer: git-send-email 2.23.0.187.g17f5b7556c-goog Subject: [PATCH v15 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 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)