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Fri, 15 Mar 2024 09:17:03 +0800 (CST) Received: from lhrpeml100003.china.huawei.com (unknown [7.191.160.210]) by mail.maildlp.com (Postfix) with ESMTPS id AAF92140A36; Fri, 15 Mar 2024 09:16:57 +0800 (CST) Received: from kwepemi500026.china.huawei.com (7.221.188.247) by lhrpeml100003.china.huawei.com (7.191.160.210) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Fri, 15 Mar 2024 01:16:41 +0000 Received: from kwepemi500026.china.huawei.com ([7.221.188.247]) by kwepemi500026.china.huawei.com ([7.221.188.247]) with mapi id 15.01.2507.035; Fri, 15 Mar 2024 09:16:39 +0800 To: Salil Mehta , "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" , "oliver.upton@linux.dev" , "pbonzini@redhat.com" , "mst@redhat.com" , "will@kernel.org" , "gshan@redhat.com" , "rafael@kernel.org" , "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" , "wangxiongfeng (C)" , "wangyanan (Y)" , "jiakernel2@gmail.com" , "Wanghaibin (D)" , "maobibo@loongson.cn" , "lixianglai@loongson.cn" , Linuxarm , yuzenghui Subject: =?gb2312?B?tPC4tDogW1BBVENIIFY4IDYvOF0gcGh5c21lbTogQWRkIGhlbHBlciBmdW5j?= =?gb2312?Q?tion_to_destroy_CPU_AddressSpace?= Thread-Topic: [PATCH V8 6/8] physmem: Add helper function to destroy CPU AddressSpace Thread-Index: AQHadCFYAMQRhS7fMEqlDm9aYjar8rE4AmeQ Date: Fri, 15 Mar 2024 01:16:39 +0000 Message-ID: <7bccde5479f044dc87679236b736b861@huawei.com> References: <20240312020000.12992-1-salil.mehta@huawei.com> <20240312020000.12992-7-salil.mehta@huawei.com> In-Reply-To: <20240312020000.12992-7-salil.mehta@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.187.224] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Received-SPF: pass client-ip=185.176.79.56; envelope-from=zhukeqian1@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: 14 X-Spam_score: 1.4 X-Spam_bar: + X-Spam_report: (1.4 / 5.0 requ) BAYES_00=-1.9, CHARSET_FARAWAY_HEADER=3.2, MIME_CHARSET_FARAWAY=2.45, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: , Reply-to: zhukeqian From: zhukeqian via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org SGkgU2FsaWwsDQoNClsuLi5dDQoNCit2b2lkIGNwdV9hZGRyZXNzX3NwYWNlX2Rlc3Ryb3koQ1BV U3RhdGUgKmNwdSwgaW50IGFzaWR4KSB7DQorICAgIENQVUFkZHJlc3NTcGFjZSAqY3B1YXM7DQor DQorICAgIGFzc2VydChjcHUtPmNwdV9hc2VzKTsNCisgICAgYXNzZXJ0KGFzaWR4ID49IDAgJiYg YXNpZHggPCBjcHUtPm51bV9hc2VzKTsNCisgICAgLyogS1ZNIGNhbm5vdCBjdXJyZW50bHkgc3Vw cG9ydCBtdWx0aXBsZSBhZGRyZXNzIHNwYWNlcy4gKi8NCisgICAgYXNzZXJ0KGFzaWR4ID09IDAg fHwgIWt2bV9lbmFibGVkKCkpOw0KKw0KKyAgICBjcHVhcyA9ICZjcHUtPmNwdV9hc2VzW2FzaWR4 XTsNCisgICAgaWYgKHRjZ19lbmFibGVkKCkpIHsNCisgICAgICAgIG1lbW9yeV9saXN0ZW5lcl91 bnJlZ2lzdGVyKCZjcHVhcy0+dGNnX2FzX2xpc3RlbmVyKTsNCisgICAgfQ0KKw0KKyAgICBhZGRy ZXNzX3NwYWNlX2Rlc3Ryb3koY3B1YXMtPmFzKTsNCisgICAgZ19mcmVlX3JjdShjcHVhcy0+YXMs IHJjdSk7DQoNCkluIGFkZHJlc3Nfc3BhY2VfZGVzdHJveSgpLCBpdCBjYWxscyBjYWxsX3JjdTEo KSBvbiBjcHVhcy0+YXMgd2hpY2ggd2lsbCBzZXQgZG9fYWRkcmVzc19zcGFjZV9kZXN0cm95KCkg YXMgdGhlIHJjdSBmdW5jLg0KQW5kIGdfZnJlZV9yY3UoKSBhbHNvIGNhbGxzIGNhbGxfcmN1MSgp IG9uIGNwdWFzLT5hcyB3aGljaCB3aWxsIG92ZXJ3cml0ZSB0aGUgcmN1IGZ1bmMgYXMgZ19mcmVl KCkuDQoNClRoZW4gSSB0aGluayB0aGUgZ19mcmVlKCkgbWF5IGJlIGNhbGxlZCB0d2ljZSBpbiBy Y3UgdGhyZWFkLCBwbGVhc2UgdmVyaWZ5IHRoYXQuDQoNClRoZSBzb3VyY2UgY29kZSBvZiBjYWxs X3JjdTE6DQoNCnZvaWQgY2FsbF9yY3UxKHN0cnVjdCByY3VfaGVhZCAqbm9kZSwgdm9pZCAoKmZ1 bmMpKHN0cnVjdCByY3VfaGVhZCAqbm9kZSkpDQp7DQogICAgbm9kZS0+ZnVuYyA9IGZ1bmM7DQog ICAgZW5xdWV1ZShub2RlKTsNCiAgICBxYXRvbWljX2luYygmcmN1X2NhbGxfY291bnQpOw0KICAg IHFlbXVfZXZlbnRfc2V0KCZyY3VfY2FsbF9yZWFkeV9ldmVudCk7DQp9DQoNClRoYW5rcywNCktl cWlhbg0KDQorDQorICAgIGlmIChhc2lkeCA9PSAwKSB7DQorICAgICAgICAvKiByZXNldCB0aGUg Y29udmVuaWVuY2UgYWxpYXMgZm9yIGFkZHJlc3Mgc3BhY2UgMCAqLw0KKyAgICAgICAgY3B1LT5h cyA9IE5VTEw7DQorICAgIH0NCisNCisgICAgaWYgKC0tY3B1LT5jcHVfYXNlc19jb3VudCA9PSAw KSB7DQorICAgICAgICBnX2ZyZWUoY3B1LT5jcHVfYXNlcyk7DQorICAgICAgICBjcHUtPmNwdV9h c2VzID0gTlVMTDsNCisgICAgfQ0KK30NCisNCiBBZGRyZXNzU3BhY2UgKmNwdV9nZXRfYWRkcmVz c19zcGFjZShDUFVTdGF0ZSAqY3B1LCBpbnQgYXNpZHgpICB7DQogICAgIC8qIFJldHVybiB0aGUg QWRkcmVzc1NwYWNlIGNvcnJlc3BvbmRpbmcgdG8gdGhlIHNwZWNpZmllZCBpbmRleCAqLw0KLS0N CjIuMzQuMQ0KDQo=