From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f193.google.com ([209.85.223.193]:42771 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759191AbdKOVfA (ORCPT ); Wed, 15 Nov 2017 16:35:00 -0500 Received: by mail-io0-f193.google.com with SMTP id u42so3084776ioi.9 for ; Wed, 15 Nov 2017 13:35:00 -0800 (PST) From: Sami Tolvanen Subject: [PATCH v2 10/18] arm64: add a workaround for GNU gold with ARM64_MODULE_PLTS Date: Wed, 15 Nov 2017 13:34:20 -0800 Message-Id: <20171115213428.22559-11-samitolvanen@google.com> In-Reply-To: <20171115213428.22559-1-samitolvanen@google.com> References: <20171115213428.22559-1-samitolvanen@google.com> Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: Alex Matveev , Andi Kleen , Ard Biesheuvel , Greg Hackmann , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland , Masahiro Yamada , Maxim Kuvyrkov , Michal Marek , Nick Desaulniers , Yury Norov , Matthias Kaehlcke Cc: Sami Tolvanen CONFIG_CLANG_LTO depends on GNU gold and due to a known bug, the linker crashes when ARM64_MODULE_PLTS is enabled: https://sourceware.org/bugzilla/show_bug.cgi?id=14592 To work around the problem, this change removes NOLOAD from .plt and .init.plt, which allows us to link modules with ld.gold. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/module.lds | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/module.lds b/arch/arm64/kernel/module.lds index f7c9781a9d48..eacb5c67f61e 100644 --- a/arch/arm64/kernel/module.lds +++ b/arch/arm64/kernel/module.lds @@ -1,4 +1,4 @@ SECTIONS { - .plt (NOLOAD) : { BYTE(0) } - .init.plt (NOLOAD) : { BYTE(0) } + .plt : { BYTE(0) } + .init.plt : { BYTE(0) } } -- 2.15.0.448.gf294e3d99a-goog