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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT 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 D92F0C4321D for ; Mon, 20 Aug 2018 16:17:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 95EA32172C for ; Mon, 20 Aug 2018 16:17:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="jTGf/TP5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95EA32172C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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 S1728029AbeHTTdj (ORCPT ); Mon, 20 Aug 2018 15:33:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:36052 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726024AbeHTTdj (ORCPT ); Mon, 20 Aug 2018 15:33:39 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 543F02172F; Mon, 20 Aug 2018 16:17:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1534781843; bh=+nj5MyjV2am5ZmDD+EaGEZawyKEBTG7mYEGgwsb2ABI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jTGf/TP5QoCC8K5Baw/N3w/U70Ash52bYJQjknoQhGiWB/xlgU8a8VALoKS5hWGvi 6uAHeGSSmrBNm/tyJoDUPlfxz+6XtmHxQFuFuz/Wmn+Z/iqO+SNHx7IEzB/K5HZVQt hvniQooMBjTErXWucjgYGdYGN+XcNO2AHYCRAzI0= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jan Beulich , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 21/21] tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy' Date: Mon, 20 Aug 2018 13:16:02 -0300 Message-Id: <20180820161602.6830-22-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180820161602.6830-1-acme@kernel.org> References: <20180820161602.6830-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo 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) -- 2.14.4