From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f194.google.com ([209.85.223.194]:34632 "EHLO mail-io0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759150AbdKOVe4 (ORCPT ); Wed, 15 Nov 2017 16:34:56 -0500 Received: by mail-io0-f194.google.com with SMTP id q101so3103837ioi.1 for ; Wed, 15 Nov 2017 13:34:56 -0800 (PST) From: Sami Tolvanen Subject: [PATCH v2 08/18] arm64: don't disable ADR_PREL_PG_HI21* with ARM64_ERRATUM_843419 Date: Wed, 15 Nov 2017 13:34:18 -0800 Message-Id: <20171115213428.22559-9-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_LTO_CLANG depends on GNU gold, which can generate ADR_PREL_PG_HI21* relocations even with --fix-cortex-a53-843419. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/module.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index f469e0435903..fec9a578f122 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -336,14 +336,12 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, ovf = reloc_insn_imm(RELOC_OP_PREL, loc, val, 0, 21, AARCH64_INSN_IMM_ADR); break; -#ifndef CONFIG_ARM64_ERRATUM_843419 case R_AARCH64_ADR_PREL_PG_HI21_NC: overflow_check = false; case R_AARCH64_ADR_PREL_PG_HI21: ovf = reloc_insn_imm(RELOC_OP_PAGE, loc, val, 12, 21, AARCH64_INSN_IMM_ADR); break; -#endif case R_AARCH64_ADD_ABS_LO12_NC: case R_AARCH64_LDST8_ABS_LO12_NC: overflow_check = false; -- 2.15.0.448.gf294e3d99a-goog