From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1qsXKT-0001IY-A7 for mharc-qemu-devel@gnu.org; Mon, 16 Oct 2023 19:48:57 -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 1qsXKR-0001IE-DX; Mon, 16 Oct 2023 19:48:55 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qsXKP-0008HV-8w; Mon, 16 Oct 2023 19:48:55 -0400 Received: from lhrpeml100002.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4S8Yhg2SZBz6K8yZ; Tue, 17 Oct 2023 07:48:19 +0800 (CST) Received: from lhrpeml500001.china.huawei.com (7.191.163.213) by lhrpeml100002.china.huawei.com (7.191.160.241) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Tue, 17 Oct 2023 00:48:48 +0100 Received: from lhrpeml500001.china.huawei.com ([7.191.163.213]) by lhrpeml500001.china.huawei.com ([7.191.163.213]) with mapi id 15.01.2507.031; Tue, 17 Oct 2023 00:48:48 +0100 From: Salil Mehta To: Gavin Shan , "qemu-devel@nongnu.org" , "qemu-arm@nongnu.org" CC: "maz@kernel.org" , "jean-philippe@linaro.org" , Jonathan Cameron , "lpieralisi@kernel.org" , "peter.maydell@linaro.org" , "richard.henderson@linaro.org" , "imammedo@redhat.com" , "andrew.jones@linux.dev" , "david@redhat.com" , "philmd@linaro.org" , "eric.auger@redhat.com" , "will@kernel.org" , "ardb@kernel.org" , "oliver.upton@linux.dev" , "pbonzini@redhat.com" , "mst@redhat.com" , "rafael@kernel.org" , "borntraeger@linux.ibm.com" , "alex.bennee@linaro.org" , "linux@armlinux.org.uk" , "darren@os.amperecomputing.com" , "ilkka@os.amperecomputing.com" , "vishnu@os.amperecomputing.com" , "karl.heubaum@oracle.com" , "miguel.luis@oracle.com" , "salil.mehta@opnsrc.net" , zhukeqian , "wangxiongfeng (C)" , "wangyanan (Y)" , "jiakernel2@gmail.com" , "maobibo@loongson.cn" , "lixianglai@loongson.cn" Subject: RE: [PATCH RFC V2 29/37] arm/virt: Update the guest(via GED) about CPU hot-(un)plug events Thread-Topic: [PATCH RFC V2 29/37] arm/virt: Update the guest(via GED) about CPU hot-(un)plug events Thread-Index: AQHZ8GI4VynMOEOUREq7gvOpSDchX7Aw5taAgBxM3NA= Date: Mon, 16 Oct 2023 23:48:48 +0000 Message-ID: References: <20230926100436.28284-1-salil.mehta@huawei.com> <20230926100436.28284-30-salil.mehta@huawei.com> <4d8980ac-f402-60d4-fe52-787815af8a7d@redhat.com> In-Reply-To: <4d8980ac-f402-60d4-fe52-787815af8a7d@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.48.158.41] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Received-SPF: pass client-ip=185.176.79.56; envelope-from=salil.mehta@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=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: , X-List-Received-Date: Mon, 16 Oct 2023 23:48:55 -0000 Message-ID: <20231016234848.Lox9hLR7Tot7XVtcl7gB_dFXlNFQx-zpN9e1RWKJEA8@z> SGkgR2F2aW4sDQoNCj4gRnJvbTogR2F2aW4gU2hhbiA8Z3NoYW5AcmVkaGF0LmNvbT4NCj4gU2Vu dDogRnJpZGF5LCBTZXB0ZW1iZXIgMjksIDIwMjMgMTozMSBBTQ0KPiBUbzogU2FsaWwgTWVodGEg PHNhbGlsLm1laHRhQGh1YXdlaS5jb20+OyBxZW11LWRldmVsQG5vbmdudS5vcmc7IHFlbXUtYXJt QG5vbmdudS5vcmcNCj4gQ2M6IG1hekBrZXJuZWwub3JnOyBqZWFuLXBoaWxpcHBlQGxpbmFyby5v cmc7IEpvbmF0aGFuIENhbWVyb24NCj4gPGpvbmF0aGFuLmNhbWVyb25AaHVhd2VpLmNvbT47IGxw aWVyYWxpc2lAa2VybmVsLm9yZzsNCj4gcGV0ZXIubWF5ZGVsbEBsaW5hcm8ub3JnOyByaWNoYXJk LmhlbmRlcnNvbkBsaW5hcm8ub3JnOw0KPiBpbWFtbWVkb0ByZWRoYXQuY29tOyBhbmRyZXcuam9u ZXNAbGludXguZGV2OyBkYXZpZEByZWRoYXQuY29tOw0KPiBwaGlsbWRAbGluYXJvLm9yZzsgZXJp Yy5hdWdlckByZWRoYXQuY29tOyB3aWxsQGtlcm5lbC5vcmc7IGFyZGJAa2VybmVsLm9yZzsNCj4g b2xpdmVyLnVwdG9uQGxpbnV4LmRldjsgcGJvbnppbmlAcmVkaGF0LmNvbTsgbXN0QHJlZGhhdC5j b207DQo+IHJhZmFlbEBrZXJuZWwub3JnOyBib3JudHJhZWdlckBsaW51eC5pYm0uY29tOyBhbGV4 LmJlbm5lZUBsaW5hcm8ub3JnOw0KPiBsaW51eEBhcm1saW51eC5vcmcudWs7IGRhcnJlbkBvcy5h bXBlcmVjb21wdXRpbmcuY29tOw0KPiBpbGtrYUBvcy5hbXBlcmVjb21wdXRpbmcuY29tOyB2aXNo bnVAb3MuYW1wZXJlY29tcHV0aW5nLmNvbTsNCj4ga2FybC5oZXViYXVtQG9yYWNsZS5jb207IG1p Z3VlbC5sdWlzQG9yYWNsZS5jb207IHNhbGlsLm1laHRhQG9wbnNyYy5uZXQ7DQo+IHpodWtlcWlh biA8emh1a2VxaWFuMUBodWF3ZWkuY29tPjsgd2FuZ3hpb25nZmVuZyAoQykNCj4gPHdhbmd4aW9u Z2ZlbmcyQGh1YXdlaS5jb20+OyB3YW5neWFuYW4gKFkpIDx3YW5neWFuYW41NUBodWF3ZWkuY29t PjsNCj4gamlha2VybmVsMkBnbWFpbC5jb207IG1hb2JpYm9AbG9vbmdzb24uY247IGxpeGlhbmds YWlAbG9vbmdzb24uY24NCj4gU3ViamVjdDogUmU6IFtQQVRDSCBSRkMgVjIgMjkvMzddIGFybS92 aXJ0OiBVcGRhdGUgdGhlIGd1ZXN0KHZpYSBHRUQpIGFib3V0DQo+IENQVSBob3QtKHVuKXBsdWcg ZXZlbnRzDQo+IA0KPiBIaSBTYWxpbCwNCj4gDQo+IE9uIDkvMjYvMjMgMjA6MDQsIFNhbGlsIE1l aHRhIHdyb3RlOg0KPiA+IER1cmluZyBhbnkgdkNQVSBob3QtKHVuKXBsdWcsIHJ1bm5pbmcgZ3Vl c3QgVk0gbmVlZHMgdG8gYmUgaW50aW1hdGVkIGFib3V0IHRoZQ0KPiA+IG5ldyB2Q1BVIGJlaW5n IGFkZGVkIG9yIHJlcXVlc3QgdGhlIGRlbGV0aW9uIG9mIHRoZSB2Q1BVIHdoaWNoIGlzIGFscmVh ZHkgcGFydA0KPiA+IG9mIHRoZSBndWVzdCBWTS4gVGhpcyBpcyBkb25lIHVzaW5nIHRoZSBBQ1BJ IEdFRCBldmVudCB3aGljaCBldmVudHVhbGx5IGdldHMNCj4gPiBkZW11bHRpcGxleGVkIHRvIGEg Q1BVIGhvdHBsdWcgZXZlbnQgYW5kIGZ1cnRoZXIgdG8gc3BlY2lmaWMgaG90LSh1bilwbHVnIGV2 ZW50DQo+ID4gb2YgYSBwYXJ0aWN1bGFyIHZDUFUuDQo+ID4NCj4gPiBUaGlzIGNoYW5nZSBhZGRz IHRoZSBBQ1BJIGNhbGxzIHRvIHRoZSBleGlzdGluZyBob3QtKHVuKXBsdWcgaG9va3MgdG8gdHJp Z2dlcg0KPiA+IEFDUEkgR0VEIGV2ZW50cyBmcm9tIFFFTVUgdG8gZ3Vlc3QgVk0uDQo+ID4NCj4g PiBDby1kZXZlbG9wZWQtYnk6IFNhbGlsIE1laHRhIDxzYWxpbC5tZWh0YUBodWF3ZWkuY29tPg0K PiA+IFNpZ25lZC1vZmYtYnk6IFNhbGlsIE1laHRhIDxzYWxpbC5tZWh0YUBodWF3ZWkuY29tPg0K PiA+IENvLWRldmVsb3BlZC1ieTogS2VxaWFuIFpodSA8emh1a2VxaWFuMUBodWF3ZWkuY29tPg0K PiA+IFNpZ25lZC1vZmYtYnk6IEtlcWlhbiBaaHUgPHpodWtlcWlhbjFAaHVhd2VpLmNvbT4NCj4g PiBTaWduZWQtb2ZmLWJ5OiBTYWxpbCBNZWh0YSA8c2FsaWwubWVodGFAaHVhd2VpLmNvbT4NCj4g PiAtLS0NCg0KWy4uLl0NCg0KPiA+IEBAIC0zMTY5LDEyICszMTcwLDIwIEBAIHN0YXRpYyB2b2lk IHZpcnRfY3B1X3BsdWcoSG90cGx1Z0hhbmRsZXIgKmhvdHBsdWdfZGV2LCBEZXZpY2VTdGF0ZSAq ZGV2LA0KPiA+ICAgICAgICAqIHBsdWdnZWQsIGd1ZXN0IGlzIGFsc28gbm90aWZpZWQuDQo+ID4g ICAgICAgICovDQo+ID4gICAgICAgaWYgKHZtcy0+YWNwaV9kZXYpIHsNCj4gPiAtICAgICAgICAv KiBUT0RPOiB1cGRhdGUgYWNwaSBob3RwbHVnIHN0YXRlLiBTZW5kIGNwdSBob3RwbHVnIGV2ZW50 IHRvIGd1ZXN0ICovDQo+ID4gKyAgICAgICAgSG90cGx1Z0hhbmRsZXJDbGFzcyAqaGhjOw0KPiA+ ICsgICAgICAgIC8qIHVwZGF0ZSBhY3BpIGhvdHBsdWcgc3RhdGUgYW5kIHNlbmQgY3B1IGhvdHBs dWcgZXZlbnQgdG8gZ3Vlc3QgKi8NCj4gPiArICAgICAgICBoaGMgPSBIT1RQTFVHX0hBTkRMRVJf R0VUX0NMQVNTKHZtcy0+YWNwaV9kZXYpOw0KPiA+ICsgICAgICAgIGhoYy0+cGx1ZyhIT1RQTFVH X0hBTkRMRVIodm1zLT5hY3BpX2RldiksIGRldiwgJmxvY2FsX2Vycik7DQo+ID4gKyAgICAgICAg aWYgKGxvY2FsX2Vycikgew0KPiA+ICsgICAgICAgICAgICBnb3RvIGZhaWw7DQo+ID4gKyAgICAg ICAgfQ0KPiA+ICAgICAgICAgICAvKiBUT0RPOiByZWdpc3RlciBjcHUgZm9yIHJlc2V0ICYgdXBk YXRlIEYvVyBpbmZvIGZvciB0aGUgbmV4dCBib290ICovDQo+ID4gICAgICAgfQ0KPiA+DQo+ID4g ICAgICAgY3MtPmRpc2FibGVkID0gZmFsc2U7DQo+ID4gICAgICAgcmV0dXJuOw0KPiA+ICtmYWls Og0KPiA+ICsgICAgZXJyb3JfcHJvcGFnYXRlKGVycnAsIGxvY2FsX2Vycik7DQo+ID4gICB9DQo+ ID4NCj4gDQo+ICdmYWlsJyB0YWcgaXNuJ3QgbmVlZGVkIHNpbmNlIGl0J3MgdXNlZCBmb3Igb25j ZS4gd2UgY2FuIGJhaWwgZWFybHk6DQo+IA0KPiAgICAgIGlmIChsb2NhbF9lcnIpIHsNCj4gICAg ICAgICBlcnJvcl9wcm9wYWdhdGUoZXJycCwgbG9jYWxfZXJyKTsNCj4gICAgICAgICByZXR1cm47 DQo+ICAgICAgfQ0KDQoNCkFncmVlZC4gSW5kZWVkIHdlIGNhbiByZW1vdmUgZ290by4NCg0KDQpb Li4uXQ0KDQo+ID4gQEAgLTMyMDIsOSArMzIxMywxNiBAQCBzdGF0aWMgdm9pZCB2aXJ0X2NwdV91 bnBsdWdfcmVxdWVzdChIb3RwbHVnSGFuZGxlciAqaG90cGx1Z19kZXYsDQo+ID4gICAgICAgICAg IHJldHVybjsNCj4gPiAgICAgICB9DQo+ID4NCj4gPiAtICAgIC8qIFRPRE86IHJlcXVlc3QgY3B1 IGhvdHBsdWcgZnJvbSBndWVzdCAqLw0KPiA+ICsgICAgLyogcmVxdWVzdCBjcHUgaG90cGx1ZyBm cm9tIGd1ZXN0ICovDQo+ID4gKyAgICBoaGMgPSBIT1RQTFVHX0hBTkRMRVJfR0VUX0NMQVNTKHZt cy0+YWNwaV9kZXYpOw0KPiA+ICsgICAgaGhjLT51bnBsdWdfcmVxdWVzdChIT1RQTFVHX0hBTkRM RVIodm1zLT5hY3BpX2RldiksIGRldiwgJmxvY2FsX2Vycik7DQo+ID4gKyAgICBpZiAobG9jYWxf ZXJyKSB7DQo+ID4gKyAgICAgICAgZ290byBmYWlsOw0KPiA+ICsgICAgfQ0KPiA+DQo+ID4gICAg ICAgcmV0dXJuOw0KPiA+ICtmYWlsOg0KPiA+ICsgICAgZXJyb3JfcHJvcGFnYXRlKGVycnAsIGxv Y2FsX2Vycik7DQo+ID4gICB9DQo+ID4NCj4gDQo+IFNhbWUgYXMgYWJvdmUsICdmYWlsJyB0YWcg aXNuJ3QgbmVlZGVkLiBCZXNpZGVzLCAncmV0dXJuJyBpc24ndCBuZWVkZWQuDQoNCg0KQWdyZWVk LiBXZSBjYW4gcmVtb3ZlIGdvdG8NCg0KDQoNClsuLi5dDQoNCj4gPiBAQCAtMzIyMiw3ICszMjQy LDEyIEBAIHN0YXRpYyB2b2lkIHZpcnRfY3B1X3VucGx1ZyhIb3RwbHVnSGFuZGxlcg0KPiAqaG90 cGx1Z19kZXYsIERldmljZVN0YXRlICpkZXYsDQo+ID4NCj4gPiAgICAgICBjcHVfc2xvdCA9IHZp cnRfZmluZF9jcHVfc2xvdChtcywgY3MtPmNwdV9pbmRleCk7DQo+ID4NCj4gPiAtICAgIC8qIFRP RE86IHVwZGF0ZSB0aGUgYWNwaSBjcHUgaG90cGx1ZyBzdGF0ZSBmb3IgY3B1IGhvdC11bnBsdWcg Ki8NCj4gPiArICAgIC8qIHVwZGF0ZSB0aGUgYWNwaSBjcHUgaG90cGx1ZyBzdGF0ZSBmb3IgY3B1 IGhvdC11bnBsdWcgKi8NCj4gPiArICAgIGhoYyA9IEhPVFBMVUdfSEFORExFUl9HRVRfQ0xBU1Mo dm1zLT5hY3BpX2Rldik7DQo+ID4gKyAgICBoaGMtPnVucGx1ZyhIT1RQTFVHX0hBTkRMRVIodm1z LT5hY3BpX2RldiksIGRldiwgJmxvY2FsX2Vycik7DQo+ID4gKyAgICBpZiAobG9jYWxfZXJyKSB7 DQo+ID4gKyAgICAgICAgZ290byBmYWlsOw0KPiA+ICsgICAgfQ0KPiA+DQo+ID4gICAgICAgdW53 aXJlX2dpY19jcHVfaXJxcyh2bXMsIGNzKTsNCj4gPiAgICAgICB2aXJ0X3VwZGF0ZV9naWModm1z LCBjcyk7DQo+ID4gQEAgLTMyMzYsNiArMzI2MSw4IEBAIHN0YXRpYyB2b2lkIHZpcnRfY3B1X3Vu cGx1ZyhIb3RwbHVnSGFuZGxlcg0KPiAqaG90cGx1Z19kZXYsIERldmljZVN0YXRlICpkZXYsDQo+ ID4gICAgICAgY3MtPmRpc2FibGVkID0gdHJ1ZTsNCj4gPg0KPiA+ICAgICAgIHJldHVybjsNCj4g PiArZmFpbDoNCj4gPiArICAgIGVycm9yX3Byb3BhZ2F0ZShlcnJwLCBsb2NhbF9lcnIpOw0KPiA+ ICAgfQ0KPiA+DQo+IA0KPiBTYW1lIGFzIGFib3ZlLg0KDQoNCkFncmVlZC4gV2lsbCBmaXguDQoN Cg0KVGhhbmtzDQpTYWxpbC4NCg==