From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga05-in.huawei.com (szxga05-in.huawei.com [45.249.212.191]) (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 F020E748F for ; Sat, 15 Feb 2025 04:39:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.191 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739594362; cv=none; b=FHEZKuEXzB7B4+M31VUeWC6XZ0YIBVWtrMe2bV08WkiW2I+jRBUDTLPNoOSjFU0yzn2n5iHxlVI1iP5PFKr7RNzmGKLqU4jEx9wu938qMliiZTDgenBCr59hR1D+eL81rh6WsmlXwBTxXUVoV6vmB+Lij3se4USnkjTZHU1pwo8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739594362; c=relaxed/simple; bh=dIPfZRBw+59o3SsaiabgyjyPaKpfcAToOlnyfZfj8lU=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=BCGoZocfYkUms1VKRzilwc87qulPmHQF2MPLYllEH9Ic45qhFNsU1Fo87G9gEJX4+CL4bA6vgDkIsart9tdim+jY+y0+qXCDNIZTid2gIPclcjylkgWGSxQ3e7vryf3LpcwXFmZPynvWrRwbuCFHEIkAePoNLFB3iLzTi2bT9wA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.191 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.214]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4Yvx161bZqz1ltZL; Sat, 15 Feb 2025 12:35:22 +0800 (CST) Received: from kwepemd500011.china.huawei.com (unknown [7.221.188.45]) by mail.maildlp.com (Postfix) with ESMTPS id 64A2E1A016C; Sat, 15 Feb 2025 12:39:11 +0800 (CST) Received: from kwepemd500012.china.huawei.com (7.221.188.25) by kwepemd500011.china.huawei.com (7.221.188.45) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.34; Sat, 15 Feb 2025 12:39:11 +0800 Received: from kwepemd500012.china.huawei.com ([7.221.188.25]) by kwepemd500012.china.huawei.com ([7.221.188.25]) with mapi id 15.02.1258.034; Sat, 15 Feb 2025 12:39:11 +0800 From: lizetao To: Pavel Begunkov CC: "io-uring@vger.kernel.org" , Jens Axboe Subject: RE: [PATCH 1/1] io_uring: prevent opcode speculation Thread-Topic: [PATCH 1/1] io_uring: prevent opcode speculation Thread-Index: AQHbfzJuGn6VgP8bnkiQWV1o6Ni7zbNHyJNA Date: Sat, 15 Feb 2025 04:39:10 +0000 Message-ID: References: <7eddbf31c8ca0a3947f8ed98271acc2b4349c016.1739568408.git.asml.silence@gmail.com> In-Reply-To: <7eddbf31c8ca0a3947f8ed98271acc2b4349c016.1739568408.git.asml.silence@gmail.com> Accept-Language: en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 SGksDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogUGF2ZWwgQmVndW5r b3YgPGFzbWwuc2lsZW5jZUBnbWFpbC5jb20+DQo+IFNlbnQ6IFNhdHVyZGF5LCBGZWJydWFyeSAx NSwgMjAyNSA2OjQ4IEFNDQo+IFRvOiBpby11cmluZ0B2Z2VyLmtlcm5lbC5vcmcNCj4gQ2M6IGFz bWwuc2lsZW5jZUBnbWFpbC5jb20NCj4gU3ViamVjdDogW1BBVENIIDEvMV0gaW9fdXJpbmc6IHBy ZXZlbnQgb3Bjb2RlIHNwZWN1bGF0aW9uDQo+IA0KPiBzcWUtPm9wY29kZSBpcyB1c2VkIGZvciBk aWZmZXJlbnQgdGFibGVzLCBtYWtlIHN1cmUgd2Ugc2FudGl0aXNlIGl0DQo+IGFnYWluc3Qgc3Bl Y3VsYXRpb25zLg0KPiANCj4gQ2M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcNCj4gRml4ZXM6IGQz NjU2MzQ0ZmVhMDMgKCJpb191cmluZzogYWRkIGxvb2t1cCB0YWJsZSBmb3IgdmFyaW91cyBvcGNv ZGUgbmVlZHMiKQ0KPiBTaWduZWQtb2ZmLWJ5OiBQYXZlbCBCZWd1bmtvdiA8YXNtbC5zaWxlbmNl QGdtYWlsLmNvbT4NCj4gLS0tDQo+ICBpb191cmluZy9pb191cmluZy5jIHwgMiArKw0KPiAgMSBm aWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2lvX3VyaW5n L2lvX3VyaW5nLmMgYi9pb191cmluZy9pb191cmluZy5jIGluZGV4DQo+IDI2M2U1MDRiZTRhOC4u MjlhNDIzNjVhNDgxIDEwMDY0NA0KPiAtLS0gYS9pb191cmluZy9pb191cmluZy5jDQo+ICsrKyBi L2lvX3VyaW5nL2lvX3VyaW5nLmMNCj4gQEAgLTIwNDUsNiArMjA0NSw4IEBAIHN0YXRpYyBpbnQg aW9faW5pdF9yZXEoc3RydWN0IGlvX3JpbmdfY3R4ICpjdHgsIHN0cnVjdA0KPiBpb19raW9jYiAq cmVxLA0KPiAgCQlyZXEtPm9wY29kZSA9IDA7DQo+ICAJCXJldHVybiBpb19pbml0X2ZhaWxfcmVx KHJlcSwgLUVJTlZBTCk7DQo+ICAJfQ0KPiArCW9wY29kZSA9IGFycmF5X2luZGV4X25vc3BlYyhv cGNvZGUsIElPUklOR19PUF9MQVNUKTsNCj4gKw0KPiAgCWRlZiA9ICZpb19pc3N1ZV9kZWZzW29w Y29kZV07DQo+ICAJaWYgKHVubGlrZWx5KHNxZV9mbGFncyAmIH5TUUVfQ09NTU9OX0ZMQUdTKSkg ew0KPiAgCQkvKiBlbmZvcmNlIGZvcndhcmRzIGNvbXBhdGliaWxpdHkgb24gdXNlcnMgKi8NCj4g LS0NCj4gMi40OC4xDQo+IA0KDQpSZXZpZXdlZC1ieTogTGkgWmV0YW8gPGxpemV0YW8xQGh1YXdl aS5jb20+DQoNCi0tLQ0KTGkgWmV0YW8NCg0K