From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49134C4321D for ; Thu, 23 Aug 2018 08:47:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 063032077B for ; Thu, 23 Aug 2018 08:47:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 063032077B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zytor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732916AbeHWMQV (ORCPT ); Thu, 23 Aug 2018 08:16:21 -0400 Received: from terminus.zytor.com ([198.137.202.136]:56769 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728527AbeHWMQV (ORCPT ); Thu, 23 Aug 2018 08:16:21 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id w7N8lV0w3191424 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 23 Aug 2018 01:47:31 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id w7N8lVof3191421; Thu, 23 Aug 2018 01:47:31 -0700 Date: Thu, 23 Aug 2018 01:47:31 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: mingo@kernel.org, wangnan0@huawei.com, dsahern@gmail.com, hpa@zytor.com, acme@redhat.com, linux-kernel@vger.kernel.org, adrian.hunter@intel.com, tglx@linutronix.de, jolsa@kernel.org, namhyung@kernel.org, JBeulich@suse.com Reply-To: JBeulich@suse.com, namhyung@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, acme@redhat.com, hpa@zytor.com, dsahern@gmail.com, wangnan0@huawei.com, mingo@kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy' Git-Commit-ID: 78303650e4cd873c6c4276c6fe3e768ff0b46d22 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 78303650e4cd873c6c4276c6fe3e768ff0b46d22 Gitweb: https://git.kernel.org/tip/78303650e4cd873c6c4276c6fe3e768ff0b46d22 Author: Arnaldo Carvalho de Melo AuthorDate: Mon, 20 Aug 2018 10:17:14 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 20 Aug 2018 10:17:14 -0300 tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy' To bring in the change made in this cset: Fixes: a7bea8308933 ("x86/asm/64: Use 32-bit XOR to zero registers") CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o LD /tmp/build/perf/bench/perf-in.o LD /tmp/build/perf/perf-in.o LINK /tmp/build/perf/perf Silencing this perf build warning: Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S' diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S Cc: Adrian Hunter Cc: David Ahern Cc: Jan Beulich Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-sad22dudoz71qr3tsnlqtkia@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/arch/x86/lib/memcpy_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S index 298ef1479240..3b24dc05251c 100644 --- a/tools/arch/x86/lib/memcpy_64.S +++ b/tools/arch/x86/lib/memcpy_64.S @@ -256,7 +256,7 @@ ENTRY(__memcpy_mcsafe) /* Copy successful. Return zero */ .L_done_memcpy_trap: - xorq %rax, %rax + xorl %eax, %eax ret ENDPROC(__memcpy_mcsafe) EXPORT_SYMBOL_GPL(__memcpy_mcsafe)