From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 386A7C433E6 for ; Tue, 16 Feb 2021 20:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED57B64E7A for ; Tue, 16 Feb 2021 20:43:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229970AbhBPUnR (ORCPT ); Tue, 16 Feb 2021 15:43:17 -0500 Received: from mga01.intel.com ([192.55.52.88]:59650 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229796AbhBPUnQ (ORCPT ); Tue, 16 Feb 2021 15:43:16 -0500 IronPort-SDR: pUwqDX4NKpsvnukQWTr1omr9GEr9WCA5c8cjMu/ZmBc+pQ4bRuMABUOKz6MsI58hm5jAqrNn6n +zlt4jewX7qQ== X-IronPort-AV: E=McAfee;i="6000,8403,9897"; a="202210025" X-IronPort-AV: E=Sophos;i="5.81,184,1610438400"; d="scan'208";a="202210025" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2021 12:42:35 -0800 IronPort-SDR: BTyRH5s5DawYWw83+42XssVfBwuJiCsvK0VDwAjUffP72fMFSNkH5qJxgPXKBRMNHCFZO5o1Oy kX1Cv1e5Hfcw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,184,1610438400"; d="scan'208";a="399666836" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by orsmga008.jf.intel.com with ESMTP; 16 Feb 2021 12:42:35 -0800 Received: from orsmsx612.amr.corp.intel.com (10.22.229.25) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 16 Feb 2021 12:42:34 -0800 Received: from orsmsx602.amr.corp.intel.com (10.22.229.15) by ORSMSX612.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 16 Feb 2021 12:42:34 -0800 Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by ORSMSX602.amr.corp.intel.com ([10.22.229.15]) with mapi id 15.01.2106.002; Tue, 16 Feb 2021 12:42:34 -0800 From: "Huang, Kai" To: "Hansen, Dave" , "linux-sgx@vger.kernel.org" , "kvm@vger.kernel.org" , "x86@kernel.org" CC: "seanjc@google.com" , "jarkko@kernel.org" , "luto@kernel.org" , "Edgecombe, Rick P" , "Huang, Haitao" , "pbonzini@redhat.com" , "bp@alien8.de" , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" Subject: RE: [RFC PATCH v5 03/26] x86/sgx: Wipe out EREMOVE from sgx_free_epc_page() Thread-Topic: [RFC PATCH v5 03/26] x86/sgx: Wipe out EREMOVE from sgx_free_epc_page() Thread-Index: AQHXAgqCiMCWrYnrK0Whc7d+icsirqpbjZWA//+2gGA= Date: Tue, 16 Feb 2021 20:42:34 +0000 Message-ID: <679324c4b4644ed4a6419718252d318c@intel.com> References: <57878292-69d0-2234-d732-131318795726@intel.com> In-Reply-To: <57878292-69d0-2234-d732-131318795726@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-version: 11.5.1.3 dlp-product: dlpe-windows dlp-reaction: no-action x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org PiA+ICsvKg0KPiA+ICsgKiBQbGFjZSB0aGUgcGFnZSBpbiB1bmluaXRpYWxpemVkIHN0YXRlLiAg T25seSB1c2FibGUgYnkgY2FsbGVycw0KPiA+ICt0aGF0DQo+ID4gKyAqIGtub3cgdGhlIHBhZ2Ug aXMgaW4gYSBjbGVhbiBzdGF0ZSBpbiB3aGljaCBFUkVNT1ZFIHdpbGwgc3VjY2VlZC4NCj4gPiAr ICovDQo+ID4gK3N0YXRpYyB2b2lkIHNneF9yZXNldF9lcGNfcGFnZShzdHJ1Y3Qgc2d4X2VwY19w YWdlICplcGNfcGFnZSkgew0KPiA+ICsJaW50IHJldDsNCj4gPiArDQo+ID4gKwlXQVJOX09OX09O Q0UoZXBjX3BhZ2UtPmZsYWdzICYNCj4gU0dYX0VQQ19QQUdFX1JFQ0xBSU1FUl9UUkFDS0VEKTsN Cj4gPiArDQo+ID4gKwlyZXQgPSBfX2VyZW1vdmUoc2d4X2dldF9lcGNfdmlydF9hZGRyKGVwY19w YWdlKSk7DQo+ID4gKwlpZiAoV0FSTl9PTkNFKHJldCwgIkVSRU1PVkUgcmV0dXJuZWQgJWQgKDB4 JXgpIiwgcmV0LCByZXQpKQ0KPiA+ICsJCXJldHVybjsNCj4gPiArfQ0KPiANCj4gU2hvdWxkbid0 IHRoaXMganVzdCBiZToNCj4gDQo+IC4uLg0KPiAJcmV0ID0gX19lcmVtb3ZlKHNneF9nZXRfZXBj X3ZpcnRfYWRkcihlcGNfcGFnZSkpOw0KPiAJV0FSTl9PTkNFKHJldCwgIkVSRU1PVkUgcmV0dXJu ZWQgJWQgKDB4JXgpIiwgcmV0LCByZXQpOyB9DQo+IA0KPiBTb21ldGltZXMsIHlvdSBhY3R1YWxs eSBuZWVkIHRvIGxvb2sgYXQgdGhlIGNvZGUgdGhhdCB5b3UgY3V0IGFuZCBwYXN0ZS4gOykNCg0K Q29ycmVjdCEgVGhhbmtzIGZvciBjYXRjaGluZy4gSSdsbCByZW1vdmUgdGhpcyB1c2VsZXNzICdy ZXR1cm4nIGluIG5leHQgdmVyc2lvbi4NCg0K