From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw1-f73.google.com ([209.85.161.73]:41053 "EHLO mail-yw1-f73.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407381AbfIUAT2 (ORCPT ); Fri, 20 Sep 2019 20:19:28 -0400 Received: by mail-yw1-f73.google.com with SMTP id y70so6862894ywd.8 for ; Fri, 20 Sep 2019 17:19:27 -0700 (PDT) Date: Fri, 20 Sep 2019 17:18:44 -0700 In-Reply-To: <20190921001855.200947-1-brendanhiggins@google.com> Message-Id: <20190921001855.200947-9-brendanhiggins@google.com> Mime-Version: 1.0 References: <20190921001855.200947-1-brendanhiggins@google.com> Subject: [PATCH v17 08/19] objtool: add kunit_try_catch_throw to the noreturn list From: Brendan Higgins Content-Type: text/plain; charset="UTF-8" Sender: linux-kbuild-owner@vger.kernel.org List-ID: 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 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) -- 2.23.0.351.gc4317032e6-goog