From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by kanga.kvack.org (Postfix) with ESMTP id 9EA088E0001 for ; Mon, 24 Sep 2018 10:46:00 -0400 (EDT) Received: by mail-qk1-f197.google.com with SMTP id l11-v6so22538978qkk.0 for ; Mon, 24 Sep 2018 07:46:00 -0700 (PDT) Received: from smtp-fw-9101.amazon.com (smtp-fw-9101.amazon.com. [207.171.184.25]) by mx.google.com with ESMTPS id j12-v6si2669454qvo.267.2018.09.24.07.45.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Sep 2018 07:45:59 -0700 (PDT) From: "Stecklina, Julian" Subject: Re: Redoing eXclusive Page Frame Ownership (XPFO) with isolated CPUs in mind (for KVM to isolate its guests per CPU) Date: Mon, 24 Sep 2018 14:45:41 +0000 Message-ID: <1537800341.9745.20.camel@amazon.de> References: <5efc291c-b0ed-577e-02d1-285d080c293d@oracle.com> <7221975d-6b67-effa-2747-06c22c041e78@oracle.com> In-Reply-To: <7221975d-6b67-effa-2747-06c22c041e78@oracle.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 Content-Transfer-Encoding: base64 Sender: owner-linux-mm@kvack.org List-ID: To: "khalid.aziz@oracle.com" Cc: "juerg.haefliger@hpe.com" , "deepa.srinivasan@oracle.com" , "jmattson@google.com" , "andrew.cooper3@citrix.com" , "Woodhouse, David" , "torvalds@linux-foundation.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "boris.ostrovsky@oracle.com" , "pradeep.vincent@oracle.com" , "konrad.wilk@oracle.com" , "tglx@linutronix.de" , "kanth.ghatraju@oracle.com" , "joao.m.martins@oracle.com" , "liran.alon@oracle.com" , "ak@linux.intel.com" , "keescook@google.com" , "kernel-hardening@lists.openwall.com" , "chris.hyser@oracle.com" , "tyhicks@canonical.com" , "john.haxby@oracle.com" , "jcm@redhat.com" T24gVHVlLCAyMDE4LTA5LTE4IGF0IDE3OjAwIC0wNjAwLCBLaGFsaWQgQXppeiB3cm90ZToNCj4g SSB0ZXN0ZWQgdGhlIGtlcm5lbCB3aXRoIHRoaXMgbmV3IGNvZGUuIFdoZW4gYm9vdGVkIHdpdGhv dXQNCj4gInhwZm90bGJmbHVzaCIswqANCj4gdGhlcmUgaXMgbm8gbWVhbmluZ2Z1bCBjaGFuZ2Ug aW4gc3lzdGVtIHRpbWUgd2l0aCBrZXJuZWwgY29tcGlsZS4gDQoNClRoYXQncyBnb29kIG5ld3Mh IFNvIHRoZSBsb2NrIG9wdGltaXphdGlvbnMgc2VlbSB0byBoZWxwLg0KDQo+IEtlcm5lbMKgDQo+ IGxvY2tzIHVwIGR1cmluZyBib290dXAgd2hlbiBib290ZWQgd2l0aCB4cGZvdGxiZmx1c2g6DQoN CkkgZGlkbid0IHRlc3QgdGhlIHZlcnNpb24gd2l0aCBUTEIgZmx1c2hlcywgYmVjYXVzZSBpdCdz IGNsZWFyIHRoYXQgdGhlDQpvdmVyaGVhZCBpcyBzbyBiYWQgdGhhdCBubyBvbmUgd2FudHMgdG8g dXNlIHRoaXMuDQoNCkl0IHNob3VsZG4ndCBsb2NrIHVwIHRob3VnaCwgc28gbWF5YmUgdGhlcmUg aXMgc3RpbGwgYSByYWNlIGNvbmRpdGlvbg0Kc29tZXdoZXJlLiBJJ2xsIGdpdmUgdGhpcyBhIHNw aW4gb24gbXkgZW5kIGxhdGVyIHRoaXMgd2Vlay4NCg0KVGhhbmtzIGZvciB0cnlpbmcgdGhpcyBv dXQhDQoNCkp1bGlhbg0KQW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKQmVy bGluIC0gRHJlc2RlbiAtIEFhY2hlbgptYWluIG9mZmljZTogS3JhdXNlbnN0ci4gMzgsIDEwMTE3 IEJlcmxpbgpHZXNjaGFlZnRzZnVlaHJlcjogRHIuIFJhbGYgSGVyYnJpY2gsIENocmlzdGlhbiBT Y2hsYWVnZXIKVXN0LUlEOiBERTI4OTIzNzg3OQpFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBD aGFybG90dGVuYnVyZyBIUkIgMTQ5MTczIEIK