From patchwork Sat Feb 8 08:01:11 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Kleen X-Patchwork-Id: 3609551 Return-Path: X-Original-To: patchwork-linux-kbuild@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 2EC3BC02E3 for ; Sat, 8 Feb 2014 08:03:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6DC402017E for ; Sat, 8 Feb 2014 08:03:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8870020181 for ; Sat, 8 Feb 2014 08:03:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752092AbaBHIDg (ORCPT ); Sat, 8 Feb 2014 03:03:36 -0500 Received: from mga14.intel.com ([143.182.124.37]:48866 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751131AbaBHICN (ORCPT ); Sat, 8 Feb 2014 03:02:13 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by azsmga102.ch.intel.com with ESMTP; 08 Feb 2014 00:02:13 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.95,805,1384329600"; d="scan'208";a="471776745" Received: from laut.jf.intel.com (HELO localhost) ([10.23.232.94]) by fmsmga001.fm.intel.com with ESMTP; 08 Feb 2014 00:02:06 -0800 Received: by localhost (Postfix, from userid 1000) id 0F146124ACD; Sat, 8 Feb 2014 09:01:27 +0100 (CET) From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, x86@kernel.org, Andi Kleen Subject: [PATCH 07/17] Kbuild, lto, workaround: Don't warn for initcall_reference in modpost Date: Sat, 8 Feb 2014 09:01:11 +0100 Message-Id: <1391846481-31491-7-git-send-email-ak@linux.intel.com> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1391846481-31491-1-git-send-email-ak@linux.intel.com> References: <1391846481-31491-1-git-send-email-ak@linux.intel.com> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This reference is discarded, but can cause warnings when it refers to exit. Ignore for now. This is a workaround and can be removed once we get rid of -fno-toplevel-reorder Signed-off-by: Andi Kleen --- scripts/mod/modpost.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 4061098..1f1b154 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1455,6 +1455,10 @@ static void check_section_mismatch(const char *modname, struct elf_info *elf, to = find_elf_symbol(elf, r->r_addend, sym); tosym = sym_name(elf, to); + if (!strncmp(fromsym, "reference___initcall", + sizeof("reference___initcall")-1)) + return; + /* check whitelist - we may ignore it */ if (secref_whitelist(mismatch, fromsec, fromsym, tosec, tosym)) {