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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_PASS autolearn=ham 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 4E20EC43219 for ; Wed, 1 May 2019 14:50:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1D84B208C3 for ; Wed, 1 May 2019 14:50:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="MlVk44Uv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D84B208C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LONlzScb9IypvvqKcIySLFTHOhBdVZiPv7ngDFmmH14=; b=MlVk44Uv3ZElIL pj8XO79LABcwpRs7Qchlfd5pR3VTYAeST8EhWPz0RrHa+MuQC78QM3KLc9EyUTer4nXWraRTtrWCa kiIAuQA5BpSHeZlmMKdSTGmU7mUGKOg1+dH362MLuOFwbcycLYo2SN+h/HDyapTiYnNy8lfnRliyW jfVyi5AJjZM+ICniFRWTKSEiPVQQdjswiyv4Z2kP9LYia3KTxSD6wVLvjpL0X55gCC+f2ooBypX/Y 128WWTCGc8vi1YoEyFuqMXfp1tv3e45unfSJnqBCWOPB2Dz5EyGNbS0FD7VDkxABUjnDkDRssnwGa 7vJRO+7MXSU7fkM7uQSA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLqYU-0005Pr-UU; Wed, 01 May 2019 14:49:54 +0000 Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLqYR-0005PW-7K for linux-arm-kernel@lists.infradead.org; Wed, 01 May 2019 14:49:52 +0000 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6AA7EC024915; Wed, 1 May 2019 14:49:49 +0000 (UTC) Received: from llong.remote.csb (dhcp-17-85.bos.redhat.com [10.18.17.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id E30A710021B4; Wed, 1 May 2019 14:49:44 +0000 (UTC) Subject: Re: [RFC PATCH v9 03/13] mm: Add support for eXclusive Page Frame Ownership (XPFO) To: Khalid Aziz , Ingo Molnar References: <20190417161042.GA43453@gmail.com> From: Waiman Long Organization: Red Hat Message-ID: <35c4635e-8214-7dde-b4ec-4cb266b2ea10@redhat.com> Date: Wed, 1 May 2019 10:49:44 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 01 May 2019 14:49:50 +0000 (UTC) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190501_074951_282363_A8C22334 X-CRM114-Status: GOOD ( 17.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Hansen , linux-doc@vger.kernel.org, linux-mm@kvack.org, deepa.srinivasan@oracle.com, "H. Peter Anvin" , Thomas Gleixner , tycho@tycho.ws, x86@kernel.org, iommu@lists.linux-foundation.org, jsteckli@amazon.de, Arjan van de Ven , Peter Zijlstra , konrad.wilk@oracle.com, jcm@redhat.com, Greg Kroah-Hartman , Borislav Petkov , Andy Lutomirski , boris.ostrovsky@oracle.com, chris.hyser@oracle.com, linux-arm-kernel@lists.infradead.org, Khalid Aziz , juergh@gmail.com, andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org, tyhicks@canonical.com, linux-security-module@vger.kernel.org, Juerg Haefliger , keescook@google.com, Andrew Morton , Linus Torvalds , dwmw@amazon.co.uk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gV2VkLCBBcHIgMDMsIDIwMTkgYXQgMTE6MzQ6MDRBTSAtMDYwMCwgS2hhbGlkIEF6aXogd3Jv dGU6Cj4gZGlmZiAtLWdpdCBhL0RvY3VtZW50YXRpb24vYWRtaW4tZ3VpZGUva2VybmVsLXBhcmFt ZXRlcnMudHh0CmIvRG9jdW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50 eHQKCj4gaW5kZXggODU4YjZjMGI5YTE1Li45YjM2ZGE5NDc2MGUgMTAwNjQ0Cj4gLS0tIGEvRG9j dW1lbnRhdGlvbi9hZG1pbi1ndWlkZS9rZXJuZWwtcGFyYW1ldGVycy50eHQKPiArKysgYi9Eb2N1 bWVudGF0aW9uL2FkbWluLWd1aWRlL2tlcm5lbC1wYXJhbWV0ZXJzLnR4dAo+IEBAIC0yOTk3LDYg KzI5OTcsMTIgQEAKPgo+wqDCoMKgwqDCoCBub3gyYXBpY8KgwqDCoCBbWDg2LTY0LEFQSUNdIERv IG5vdCBlbmFibGUgeDJBUElDIG1vZGUuCj4KPiArwqDCoMKgIG5veHBmb8KgwqDCoMKgwqDCoMKg IFtYUEZPXSBEaXNhYmxlIGVYY2x1c2l2ZSBQYWdlIEZyYW1lIE93bmVyc2hpcCAoWFBGTykKPiAr wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB3aGVuIENPTkZJR19YUEZPIGlzIG9uLiBQaHlzaWNhbCBw YWdlcyBtYXBwZWQgaW50bwo+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHVzZXIgYXBwbGljYXRp b25zIHdpbGwgYWxzbyBiZSBtYXBwZWQgaW4gdGhlCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqAg a2VybmVsJ3MgYWRkcmVzcyBzcGFjZSBhcyBpZiBDT05GSUdfWFBGTyB3YXMgbm90Cj4gK8KgwqDC oMKgwqDCoMKgwqDCoMKgwqAgZW5hYmxlZC4KPiArCj7CoMKgwqDCoMKgIGNwdTBfaG90cGx1Z8Kg wqDCoCBbWDg2XSBUdXJuIG9uIENQVTAgaG90cGx1ZyBmZWF0dXJlIHdoZW4KPsKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgIENPTkZJR19CTyBPVFBBUkFNX0hPVFBMVUdfQ1BVMCBpcyBvZmYuCj7C oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBTb21lIGZlYXR1cmVzIGRlcGVuZCBvbiBDUFUwLiBL bm93biBkZXBlbmRlbmNpZXMgYXJlOgoKR2l2ZW4gdGhlIGJpZyBwZXJmb3JtYW5jZSBpbXBhY3Qg dGhhdCBYUEZPIGNhbiBoYXZlLiBJdCBzaG91bGQgYmUgb2ZmIGJ5CmRlZmF1bHQgd2hlbiBjb25m aWd1cmVkLiBJbnN0ZWFkLCB0aGUgeHBmbyBvcHRpb24gc2hvdWxkIGJlIHVzZWQgdG8KZW5hYmxl IGl0LgoKQ2hlZXJzLApMb25nbWFuCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtl cm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=