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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 87FDAC25B74 for ; Sun, 2 Jun 2024 09:15:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sDhIs-0000aA-PH; Sun, 02 Jun 2024 05:15:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sDhIr-0000Yj-0v for qemu-devel@nongnu.org; Sun, 02 Jun 2024 05:15:01 -0400 Received: from mgamail.intel.com ([198.175.65.13]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sDhIp-0002Gq-FJ for qemu-devel@nongnu.org; Sun, 02 Jun 2024 05:15:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717319699; x=1748855699; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=lXDWBQdHBDJ+a5feWzxDQKGtUxYpdHtT2MhN1u7JNbg=; b=Y/uGl3W9DwG45ldnRcbTnIX1lQy/cxkasZhh47xYi07Br9ING72sL8b2 DZ+SUfWpGztGEhwA3B+iDfuCjvcdHXS2hg9Fg/Dz1/ylJWX6BZrsifVXZ 5x7rrzHeDelKWEHApKWefa+ZiNUoznwU+W3wccwzen1GtZ/M94Q2hYfO8 5NZJQnvYEXIQLt2eUHVW5tDpUUdzMfAP8oSnN6sT2H5SfBw1zw3qKlsTK u4arOb/YO3E2PrxuxQTqlvNHV56psmxYHVvexXOjHuab1SOvnO+qBqWko 22g3gzS8k9rbH0t5j9M8tcgnipnErt5bkoyLDis7KN3cIYd/Gm7PyoX/z g==; X-CSE-ConnectionGUID: KHKvBok+QfOw4Q260hGbjQ== X-CSE-MsgGUID: JdKH/ZJbSSu0R0jJUZo84w== X-IronPort-AV: E=McAfee;i="6600,9927,11090"; a="24943241" X-IronPort-AV: E=Sophos;i="6.08,209,1712646000"; d="scan'208";a="24943241" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2024 02:14:57 -0700 X-CSE-ConnectionGUID: ArCdT6MGQ8WKdXmlMe02rg== X-CSE-MsgGUID: pL0A6ekcT9OLenQWp+gIbg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,209,1712646000"; d="scan'208";a="41145632" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.36]) by fmviesa004.fm.intel.com with ESMTP; 02 Jun 2024 02:14:56 -0700 Date: Sun, 2 Jun 2024 17:30:21 +0800 From: Zhao Liu To: Paolo Bonzini Cc: qemu-devel@nongnu.org Subject: Re: [PATCH 4/6] host/i386: assume presence of SSE2 Message-ID: References: <20240531091457.42200-1-pbonzini@redhat.com> <20240531091457.42200-5-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240531091457.42200-5-pbonzini@redhat.com> Received-SPF: pass client-ip=198.175.65.13; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.041, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, May 31, 2024 at 11:14:55AM +0200, Paolo Bonzini wrote: > Date: Fri, 31 May 2024 11:14:55 +0200 > From: Paolo Bonzini > Subject: [PATCH 4/6] host/i386: assume presence of SSE2 > X-Mailer: git-send-email 2.45.1 > > QEMU now requires an x86-64-v2 host, which has SSE2. > Use it freely in buffer_is_zero. > > Signed-off-by: Paolo Bonzini > --- > host/include/i386/host/cpuinfo.h | 1 - > util/bufferiszero.c | 2 +- > util/cpuinfo-i386.c | 1 - > 3 files changed, 1 insertion(+), 3 deletions(-) Reviewed-by: Zhao Liu