From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752701AbdARNnv (ORCPT ); Wed, 18 Jan 2017 08:43:51 -0500 Received: from mx2.suse.de ([195.135.220.15]:37087 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751384AbdARNnu (ORCPT ); Wed, 18 Jan 2017 08:43:50 -0500 From: Jiri Slaby To: mingo@kernel.org Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Jiri Slaby , Josh Poimboeuf Subject: [PATCH] objtool: fix iret's opcode Date: Wed, 18 Jan 2017 14:29:21 +0100 Message-Id: <20170118132921.19319-1-jslaby@suse.cz> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org iret is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction. The previous value (0xc5) seems to correspond to lds. Signed-off-by: Jiri Slaby Cc: Josh Poimboeuf Cc: Ingo Molnar --- tools/objtool/arch/x86/decode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c index 5e0dea2cdc01..039636ffb6c8 100644 --- a/tools/objtool/arch/x86/decode.c +++ b/tools/objtool/arch/x86/decode.c @@ -150,9 +150,9 @@ int arch_decode_instruction(struct elf *elf, struct section *sec, *type = INSN_RETURN; break; - case 0xc5: /* iret */ case 0xca: /* retf */ case 0xcb: /* retf */ + case 0xcf: /* iret */ *type = INSN_CONTEXT_SWITCH; break; -- 2.11.0