From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE0A23AEF57 for ; Mon, 13 Apr 2026 11:23:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.7 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776079439; cv=fail; b=LNCiY9JMXZMe6TPBPLuBKH8030Zxu8fiPBrSIo4aJkKt5gmZaO3k6LO5hReZJJGlH+x5Aoy1JNjNCXRbyq1tF4yLjc/YIvQnK2ID1sAdtY2CTKMEK2T/uVLJ6nTQ7zBjVeFaNUJbepldLmpT48dfDYF1dFzNCHyzInMxmO9ZeiI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776079439; c=relaxed/simple; bh=IWX3D3i2HG3VGsHkytdFlWQf6NAT4foDrN7qzVRtnLU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=qUOoMCzOM5SyPVR33kYwLBt/qF0GF2YVH434CVO3xKq+1ZozBkyPxLxmc7YLLfLXQeerxlhyMRfv+5rOzh3vHNpWs6dz3IyKh2/vNoR/iHDeBzQSH0F+YEHkv4tgMORPM0NwtjbdrTPt6xh1QsJCNbnGPC3mLiBlUqUajSHySCk= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=m6nRVrJ2; arc=fail smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="m6nRVrJ2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776079437; x=1807615437; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=IWX3D3i2HG3VGsHkytdFlWQf6NAT4foDrN7qzVRtnLU=; b=m6nRVrJ2vt9Uhv5B4PDMI0bxEhCabnt6uUwMmGcAm2Y8SEt9pLK3zNLF OGOAqSxWwBWO7D4IvktrzBU4H3nURZ0zHt+06GZyp36B5R+KEwzC3Otsg GEra39AAyvk4gVU266pnzVYf55+sJvA+fXFrDB9afaJNyThjlMs8nIGXh K+vyYPa8Tesc7qqNE6GPciY/uirodS/erQO9+bKNF2FpdelLcL4Nu5R1i Y9iHkefHCTViwq7BrjD9t2tJ2vmcxxkJiACZL3fUqHo6P6gs5mFke3G4O GxDJlPQafLyqrjd7i28xSTxO0X9JLX5ULpAJMC+CQJcXNz35N2MyMPIk6 A==; X-CSE-ConnectionGUID: evaCn10UT/Cxhi+EiUppvA== X-CSE-MsgGUID: hG+s6f3MSVSgoYnMV3m91Q== X-IronPort-AV: E=McAfee;i="6800,10657,11757"; a="102470677" X-IronPort-AV: E=Sophos;i="6.23,177,1770624000"; d="scan'208";a="102470677" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2026 04:23:57 -0700 X-CSE-ConnectionGUID: tcj+Cd8fTnKv41l8RQFQfg== X-CSE-MsgGUID: hJtqtBm6S267U8JR5TjhdQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,177,1770624000"; d="scan'208";a="225479090" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by fmviesa010.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Apr 2026 04:23:57 -0700 Received: from ORSMSX901.amr.corp.intel.com (10.22.229.23) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Mon, 13 Apr 2026 04:23:56 -0700 Received: from ORSEDG903.ED.cps.intel.com (10.7.248.13) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37 via Frontend Transport; Mon, 13 Apr 2026 04:23:56 -0700 Received: from PH0PR06CU001.outbound.protection.outlook.com (40.107.208.0) by edgegateway.intel.com (134.134.137.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Mon, 13 Apr 2026 04:23:55 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=cZrx0/Kj3dOZs/3DCcagxK1EKBq0DMpoaeT/RqdsDFSOM1SXdaHmtF1FzAjRUbAsKZD3AAreMW3xRgmYhpM0LJzJnzJqWgcLEyCcaX9dOdwMowiYvPn0RDcrbGBtL5dPoUspIBc5vinsP1LAhE7axhlfgxC0tjcWOKrDX1kZED9nSrtpqR48n0ftnZfr8tw2e6PSt3aYnf5tbsdPdjO6Gwc+DpfmRFM8EEeV6JXZjzW6ZmcsjslCFHKO/37T/z+Pdx0ubeddeTSxjJMZP+yTatJZ5yhMoiQq3o68WqarQr1KEO9XJWTW8NP5hsfk8bTMF6z97pmOfNWsceg9FEuszg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IWX3D3i2HG3VGsHkytdFlWQf6NAT4foDrN7qzVRtnLU=; b=WnTVs1392MxdmebTIeuVLqn/vlzf2TmDMtlyXgYyQqDCsy3mCWnvJfFTXKqHqP0l+Sj36Pt6AGHjmdEQMjYHVxsV3XabLLcsarWjyjEmgVYLwRsczu2cMs6/fJ/JwfuCNRQyVBXzU49B+JyagZ5TLgB3P3ucu3Bmy7xsd0zandZpHY3Va3moGAibwqVB+hJ3ZJAI6jYjV1Bws5NiYVjsW5pEIQw2km8n6sYvreGaz2kzBSUJ5F8S3hSD8gsb8wO/sJXxImKmgw0rCS+zD6aO/uu/W8dtAvBabzc0huho5YVU9GEEb3qjsyGLlowJei6JrPacwyuDDtrqrjN8CrJFAw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from BYAPR11MB2647.namprd11.prod.outlook.com (2603:10b6:a02:be::12) by SA0PR11MB4671.namprd11.prod.outlook.com (2603:10b6:806:9f::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9818.20; Mon, 13 Apr 2026 11:23:45 +0000 Received: from BYAPR11MB2647.namprd11.prod.outlook.com ([fe80::32d7:4779:29d3:a1ee]) by BYAPR11MB2647.namprd11.prod.outlook.com ([fe80::32d7:4779:29d3:a1ee%4]) with mapi id 15.20.9769.046; Mon, 13 Apr 2026 11:23:45 +0000 From: "Huang, Kai" To: "pbonzini@redhat.com" , "kas@kernel.org" , "seanjc@google.com" CC: "kvm@vger.kernel.org" , "linux-coco@lists.linux.dev" , "Bae, Chang Seok" , "linux-kernel@vger.kernel.org" , "x86@kernel.org" Subject: Re: [PATCH v2 2/6] KVM: x86: Drop the "EX" part of "EXREG" to avoid collision with APX Thread-Topic: [PATCH v2 2/6] KVM: x86: Drop the "EX" part of "EXREG" to avoid collision with APX Thread-Index: AQHcyHJMCiAfQubgRk6VCjpjCHLe7bXc3xIA Date: Mon, 13 Apr 2026 11:23:45 +0000 Message-ID: References: <20260409224236.2021562-1-seanjc@google.com> <20260409224236.2021562-3-seanjc@google.com> In-Reply-To: <20260409224236.2021562-3-seanjc@google.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.58.3 (3.58.3-1.fc43) authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BYAPR11MB2647:EE_|SA0PR11MB4671:EE_ x-ms-office365-filtering-correlation-id: 81be1a76-5cbf-4b99-0e96-08de994f2003 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|366016|376014|1800799024|38070700021|22082099003|56012099003|18002099003; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR11MB2647.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(1800799024)(38070700021)(22082099003)(56012099003)(18002099003);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?Y2kvWGJNTnBESVl3MTl2YTVUbnVvUytBcFM5UFpoNXR5VjZBZm80V0sxbyti?= =?utf-8?B?cmdLeFhQUXJnak5XY3ZKTEhCL2VMdDZnU0duUTNpMGhnUXo0ZVJ2QldML1gx?= =?utf-8?B?V2Z5R1g3SkswaTNuWDY0U1BVVzRrS3NydWVMNEZUbUlnakVTYkw3QUZwSnNq?= =?utf-8?B?UlR4encrTzhZTEQwYXcyaHg4QXExSmlkRXdVN0E1VWtJVE44QkpVanR4NWpY?= =?utf-8?B?M1dkR0dGSCt2R01pTHphTVJwb3pNb3lYYk9KK0ZpUnkvd1BmNmZiSi96em9Q?= =?utf-8?B?Zjh0RHFWQzJVL2lVR1Nid2NnaGxPYldoOGpUVFhVT0pQeDl5SG1WSUxWS0gy?= =?utf-8?B?OXdnUjVkU3JpV21xczk1NUhBbk1WNUxIK0ptY3k3eXBNYlVnaTJnb3JTTXVj?= =?utf-8?B?ZWh6SmdoRkJTWUhIbzROdkkwbDZrTFZWL1lEdnpCZnMzUStXQlJaRkhUZno1?= =?utf-8?B?aEVadENuc0dqUmdWNnU4ZjhHUHJnTlFEUS9tVHhqWC9tYnRmQi94L2s5cFBZ?= =?utf-8?B?Y1NRY2t3YVpubjhFeVY0QUJBMUhjMGFiN1dtSnQ5V21OK3JhRGc3NEdoNUgx?= =?utf-8?B?bXE3QzM0WHRiMm4zWm5ZNHQ3V0FnalpQcHF4ZTVPNERsQjB3RDhXaFc0SkRC?= =?utf-8?B?TEkvS3hVQURYMnorMzJDWUhTSjJrZTdsVDVZb0RsN1M4N2RqdW1mdmRHZWk2?= =?utf-8?B?T2ZHcjd0V29zUXZjcjE3dk5wd2tiV3FZSFZld0p1ZkpwZ0czallwcjdIK1Zh?= =?utf-8?B?K1dyN0N0Mml3T2ZiYjZ6ZUtFVDJEZXNuT1ZWbGVVL0dJTVd5WTJEcWROQWMw?= =?utf-8?B?NjR5c2NjTlVBYVc1QWZPL2dqc0ZzeGFOYkJUNllMcHMvLzVVM1JhY044a1dF?= =?utf-8?B?SjE5Vlp4TFZHdFZiRkl2c0pKZGNGY2I3QlpOTVhKVDR3cjIwTDZXOGJWT2lr?= =?utf-8?B?UTY2TUdtazdlcmNJSW1vMzFRd3FIeFZOV3dZd2N3L0NwOGFvYTN5dEFOOWUy?= =?utf-8?B?Qi9Wakt5cHQxV2Z2am9rVXJ2VzVCYjJyWElVUHBGWnFNVE5lVHAwQ3oyN2dQ?= =?utf-8?B?MXJyWkViVC9RYUVlaGJ0MUdDUzloTGxYaThqVllmQkVrUWlrT2EwR040NWNP?= =?utf-8?B?NVNzT2xVTzc1ckQ2QyszaWpabTZQTytMaVRiemhOZmV5V0NkMVozbE5BSTFz?= =?utf-8?B?SE1nejdDcm1rQkhDZHBZd1ZOQnZITXZQbUJjc0ZEWXl5WUgzSmFGZGJXb0gv?= =?utf-8?B?TjE5TWxyR2ZSblRrMUpJR1dmbVhuOG9waTU0NDRQZEg1T3VPa0pMQ0FCdE1t?= =?utf-8?B?b0xVem9GNFFXOEQyZ0dyMTluQkxSS2theWVoOXp5Z3VhbEZQTUNyUUxsWHVO?= =?utf-8?B?bEJIb1cwcUhuTGZNdEUyeGlIMVQvdmFRaWR6d3diZjRyOEJlaUoxcU56VXFl?= =?utf-8?B?dElqQXpwYmxSaHRPRWZpc1F6UzhGdlprRUtWTnJoUDZaWmZyb2xGTC84Zmk3?= =?utf-8?B?SXIrSFBHS1QrbjhJMXFHZXlHVktnR3NzTmhyS2pPK1VESWtlSWNlVEZydUEv?= =?utf-8?B?L2hwbTB2YUcvY2JPbDQrektDSkw0ZmlsMVg1Slo4UHhuZWp2amJWVy85UW51?= =?utf-8?B?NjQ4YzhBQjgwcEZ6Y3VuMFllN1ZCblFWc2szdEl5RkpiaUp0RSs0WTJidVZU?= =?utf-8?B?Ry9zM2RJVkRYWnJJRUhyR0pBMHZJSjduOVhrRVpPOWw3SUlsTlZLbzhuRCtQ?= =?utf-8?B?L24zazBudzE2Y21BZ0V0RlhGT2UrSEN6ZjJ3bEEvcDQzRngwRy8zZUtXeEZI?= =?utf-8?B?Ly9zampVM1dlaFd3aHhLR1dQME1rNkZzeStxOEJvRGxiNkdCK1FSRUdsaG81?= =?utf-8?B?Nisvc3daS1BVMy9DbWl6Q2NrQ1djMEg0d2pRVS9ZZU5hMmF5L0s4QlFMdkpt?= =?utf-8?B?djNweHRMa2RITFlRanhYVTZDelo5VFhHeTIwUEp3d01jcVpFWVF1WXRQRkcz?= =?utf-8?B?L2RGT1hRU3l5MnpIL3MzSVQyY1VtTU5LT2plV1FYK3hBZXowOStMV3NhUjJ2?= =?utf-8?B?Rmp0TzIwbkpaVmFnRDZBQ05qUEg1YjFjWnVXWkxMQisxUGhFQkJsTWlwajJZ?= =?utf-8?B?bnE3UDhsdjFsR1RwSGlUVFVWNmRBUEd3VmdvUFY4enNUZmg2UkcrYkJ1SmdZ?= =?utf-8?B?Vm50ak9NWDhnb1ppR09ZcW9iS21ad0pUbCtXazdOb1VLWVVNSVE1bldYcVBL?= =?utf-8?B?RXhVVHhxQUhxa0lFZE9HQlJCMFFHVlNsYmpJMnk4ZW1DSGZXdi8wY0YvNFNo?= =?utf-8?B?UlN6KzJFcFR5TGd0U2NveXlTT0t3dHFqTkxtcklXa3ZXdWZIcTl0dz09?= Content-Type: text/plain; charset="utf-8" Content-ID: <33B20A52A896A54B8C8B49C1CEB173E7@namprd11.prod.outlook.com> Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Exchange-RoutingPolicyChecked: BpzX+XLAhKW5BgxNfLxmqNN6TIYzcofAwBQ95kCJWZ8BV/F2w8eGpXCZyS6wXeuh4rrLYUQ7q4/p91Tzheanz8+cv68fA4voOcuYqiDxtUNUzXjMmwb6bljFxzncIYONgRHmQppPpDgemkIrGj126HBOIQXFP2sGBEqoOX/8lto8grLwBWN4MtB5BckvhMMk1lMye9otrgPjBvAdb/cTDBFWbe3cVWRCrk9UQCuL7tlBHUR31zSih36Gj4CMAY7mepF+hWtpjerZTBcRh2DdNbsFJJ0TP0wn4NcGrwg9c/CqgcxmrQDFQzU1tWHe9KeseiDuIY5yPeWQUajRlDReqA== X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR11MB2647.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 81be1a76-5cbf-4b99-0e96-08de994f2003 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Apr 2026 11:23:45.1202 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: JCPCHHiCZvbrAqhX5kCE1NfVCOsvTgGaa9+mFZBIiLy2O5ez/iw9SUpmTdlq7A45LFfbytPhZoakHFR29kx9EQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR11MB4671 X-OriginatorOrg: intel.com T24gVGh1LCAyMDI2LTA0LTA5IGF0IDE1OjQyIC0wNzAwLCBTZWFuIENocmlzdG9waGVyc29uIHdy b3RlOg0KPiBOb3cgdGhhdCBOUl9WQ1BVX1JFR1MgaXMgbm8gbG9uZ2VyIGEgdGhpbmcsIGFuZCBu b3cgdGhhdCBub3cgdGhhdCBSSVAgaXMNCg0KTml0OiBkb3VibGUgIm5vdyB0aGF0Ii4NCg==