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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jy12-20020a17090342cc00b001b8a7588efbsi9336284plb.564.2023.07.24.18.05.28; Mon, 24 Jul 2023 18:05:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230253AbjGYAFw (ORCPT + 99 others); Mon, 24 Jul 2023 20:05:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229452AbjGYAFv (ORCPT ); Mon, 24 Jul 2023 20:05:51 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A1811729; Mon, 24 Jul 2023 17:05:45 -0700 (PDT) Received: from lhrpeml500006.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4R8xzY3f0Wz67yc8; Tue, 25 Jul 2023 08:02:17 +0800 (CST) Received: from lhrpeml500001.china.huawei.com (7.191.163.213) by lhrpeml500006.china.huawei.com (7.191.161.198) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 25 Jul 2023 01:05:43 +0100 Received: from lhrpeml500001.china.huawei.com ([7.191.163.213]) by lhrpeml500001.china.huawei.com ([7.191.163.213]) with mapi id 15.01.2507.027; Tue, 25 Jul 2023 01:05:43 +0100 From: Salil Mehta To: Suzuki K Poulose , "steven.price@arm.com" , Jean-Philippe Brucker , "james.morse@arm.com" , "linux-coco@lists.linux.dev" , "kvmarm@lists.linux.dev" CC: Catalin Marinas , Jonathan Cameron , Marc Zyngier , Will Deacon , "christoffer.dall@arm.com" , "oliver.upton@linux.dev" , "mark.rutland@arm.com" , "pbonzini@redhat.com" , "Salil Mehta" , "andrew.jones@linux.dev" , yuzenghui , "kvmarm@lists.cs.columbia.edu" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , Gareth Stockwell Subject: RE: [Question - ARM CCA] vCPU Hotplug Support in ARM Realm world might require ARM spec change? Thread-Topic: [Question - ARM CCA] vCPU Hotplug Support in ARM Realm world might require ARM spec change? Thread-Index: Adm55YYLPryt1tEKR0alBn01xBiFBwANXi2AAQoU7gAAA+aEUA== Date: Tue, 25 Jul 2023 00:05:43 +0000 Message-ID: <93c9c8356e444fb287393a935a8c7899@huawei.com> References: <9cb24131a09a48e9a622e92bf8346c9d@huawei.com> <7da93c6e-1cbf-8840-282e-f115197b80c4@arm.com> <0d268afa-c04b-7a4e-be5e-2362d3dfa64d@arm.com> In-Reply-To: <0d268afa-c04b-7a4e-be5e-2362d3dfa64d@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.126.173.65] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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