Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753076AbbBYABd (ORCPT ); Tue, 24 Feb 2015 19:01:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45358 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753004AbbBYABa (ORCPT ); Tue, 24 Feb 2015 19:01:30 -0500 From: Denys Vlasenko To: Andy Lutomirski Cc: Denys Vlasenko , Linus Torvalds , Steven Rostedt , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Oleg Nesterov , Frederic Weisbecker , Alexei Starovoitov , Will Drewry , Kees Cook , x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/7] x86: entry.S: use JZ mnemonic after TEST, not JE Date: Wed, 25 Feb 2015 01:00:16 +0100 Message-Id: <1424822419-10267-4-git-send-email-dvlasenk@redhat.com> In-Reply-To: <1424822419-10267-1-git-send-email-dvlasenk@redhat.com> References: <1424822419-10267-1-git-send-email-dvlasenk@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1350 Lines: 44 After TEST insn, JE actually performs "jump if zero", let's use JZ mnemonic instead. No code changes, but less confusion. Signed-off-by: Denys Vlasenko CC: Linus Torvalds CC: Steven Rostedt CC: Ingo Molnar CC: Borislav Petkov CC: "H. Peter Anvin" CC: Andy Lutomirski CC: Oleg Nesterov CC: Frederic Weisbecker CC: Alexei Starovoitov CC: Will Drewry CC: Kees Cook CC: x86@kernel.org CC: linux-kernel@vger.kernel.org --- arch/x86/kernel/entry_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 779ae21..99e3abc 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -686,7 +686,7 @@ ret_from_intr: exit_intr: GET_THREAD_INFO(%rcx) testl $3,CS(%rsp) - je retint_kernel + jz retint_kernel /* Interrupt came from user space */ /* -- 1.8.1.4 -- 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/