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 630CAC83F17 for ; Mon, 14 Jul 2025 08:40:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ubEiq-00040g-H3; Mon, 14 Jul 2025 04:39:40 -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 1ubELV-0003jF-QB for qemu-devel@nongnu.org; Mon, 14 Jul 2025 04:15:34 -0400 Received: from mgamail.intel.com ([198.175.65.17]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ubELS-00058b-GD for qemu-devel@nongnu.org; Mon, 14 Jul 2025 04:15:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752480931; x=1784016931; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=CkrOH5WmIorEhedu7EvGplbP5qCcCDENvb6dbjIFTDw=; b=FOwgOr/NseDvggNipAPb9+JtETxbqbpMsKKxKgAAWppiZv9UyYbyXPpb bz0yPoYb266fe2kksK3/BiLg/VDWIw14ih6vcOuKN1UWGDyLqbhHPHndl +Hd/6KxCd4dLC13xcz59jtVKlouo5LE8Q34KC1VYMlE4i4lcPSiTIBHEX OiMGaWDT9V/jMeC+Z8jA/WNBMNcZNITzDd7f3uQUYdwRO+d/YKA/3Ekxm xrZ0KauwdmZRB9oqGeGhY/d2b/xOUhDoKwaNgdgrlRRrG/8SFvGj47/VW tdu2Nqx3F/D7VM9fqn346IemUHXDH4QaYuO7CtBeH3zBCMFq+YwRRFCSB g==; X-CSE-ConnectionGUID: Dj69+ZAjQu+kt4ROAhMmkQ== X-CSE-MsgGUID: pSB8C1+1S0qxktFs5gc13Q== X-IronPort-AV: E=McAfee;i="6800,10657,11491"; a="54634991" X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="54634991" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2025 01:15:25 -0700 X-CSE-ConnectionGUID: yNxGCtcVQAe76cP43cZfXQ== X-CSE-MsgGUID: GJcd3eHwRF6inqzJq3w+WQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,310,1744095600"; d="scan'208";a="194077557" Received: from xiaoyaol-hp-g830.ccr.corp.intel.com (HELO [10.124.247.1]) ([10.124.247.1]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2025 01:15:22 -0700 Message-ID: Date: Mon, 14 Jul 2025 16:15:18 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/7] i386/cpu: Mark EBX/ECX/EDX in CPUID 0x80000000 leaf as reserved for Intel To: Zhao Liu , Paolo Bonzini , =?UTF-8?Q?Daniel_P_=2E_Berrang=C3=A9?= , Igor Mammedov Cc: Ewan Hai , Tao Su , Yi Lai , Dapeng Mi , qemu-devel@nongnu.org, Tao Su References: <20250714080859.1960104-1-zhao1.liu@intel.com> <20250714080859.1960104-2-zhao1.liu@intel.com> Content-Language: en-US From: Xiaoyao Li In-Reply-To: <20250714080859.1960104-2-zhao1.liu@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=198.175.65.17; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 7/14/2025 4:08 PM, Zhao Liu wrote: > Per SDM, > > 80000000H EAX Maximum Input Value for Extended Function CPUID Information. > EBX Reserved. > ECX Reserved. > EDX Reserved. > > EBX/ECX/EDX in CPUID 0x80000000 leaf are reserved. Intel and Zhaoxin are > already using 0x0 leaf to encode vendor. > > Reviewed-by: Tao Su > Tested-by: Yi Lai > Signed-off-by: Zhao Liu Reviewed-by: Xiaoyao Li