Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752482AbaBNEca (ORCPT ); Thu, 13 Feb 2014 23:32:30 -0500 Received: from terminus.zytor.com ([198.137.202.10]:48212 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751390AbaBNEc1 (ORCPT ); Thu, 13 Feb 2014 23:32:27 -0500 Date: Thu, 13 Feb 2014 20:32:17 -0800 From: tip-bot for Andi Kleen Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, ak@linux.intel.com, tglx@linutronix.de, hpa@linux.intel.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, ak@linux.intel.com, tglx@linutronix.de, hpa@linux.intel.com In-Reply-To: <1391846481-31491-13-git-send-email-ak@linux.intel.com> References: <1391846481-31491-13-git-send-email-ak@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/asmlinkage] Kbuild, lto: Handle basic LTO in modpost Git-Commit-ID: ef178f9238b142cc1020265e176b20d27fd02ba9 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.1 (terminus.zytor.com [127.0.0.1]); Thu, 13 Feb 2014 20:32:23 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: ef178f9238b142cc1020265e176b20d27fd02ba9 Gitweb: http://git.kernel.org/tip/ef178f9238b142cc1020265e176b20d27fd02ba9 Author: Andi Kleen AuthorDate: Sat, 8 Feb 2014 09:01:17 +0100 Committer: H. Peter Anvin CommitDate: Thu, 13 Feb 2014 20:25:05 -0800 Kbuild, lto: Handle basic LTO in modpost - Don't warn about LTO marker symbols. modpost runs before the linker, so the module is not necessarily LTOed yet. - Don't complain about .gnu.lto* sections Signed-off-by: Andi Kleen Link: http://lkml.kernel.org/r/1391846481-31491-13-git-send-email-ak@linux.intel.com Signed-off-by: H. Peter Anvin --- scripts/mod/modpost.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index f91dd45..63804a1 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -623,7 +623,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info, switch (sym->st_shndx) { case SHN_COMMON: - warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); + if (!strncmp(symname, "__gnu_lto_", sizeof("__gnu_lto_")-1)) { + /* Should warn here, but modpost runs before the linker */ + } else + warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name); break; case SHN_UNDEF: /* undefined symbol */ @@ -849,6 +852,7 @@ static const char *section_white_list[] = ".xt.lit", /* xtensa */ ".arcextmap*", /* arc */ ".gnu.linkonce.arcext*", /* arc : modules */ + ".gnu.lto*", NULL }; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/