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Thu, 22 Aug 2019 16:07:18 -0700 (PDT) MIME-Version: 1.0 References: <15a4c482-1207-1d8a-fd2a-dc4f25956c27@cs.rochester.edu> <79c7b71f-0b61-2799-4a79-644536a9c891@citrix.com> <5b190182-4938-52b4-eeb2-df77224711c3@citrix.com> <587225E8-C0DE-40BA-B39E-E30F9CE69B92@gmail.com> <74cb4fb4-9983-0000-9dbb-8fc24921a372@citrix.com> In-Reply-To: <74cb4fb4-9983-0000-9dbb-8fc24921a372@citrix.com> From: Tamas K Lengyel Date: Thu, 22 Aug 2019 17:06:41 -0600 Message-ID: To: Andrew Cooper Subject: Re: [Xen-devel] More questions about Xen memory layout/usage, access to guest memory X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-devel@lists.xenproject.org" , Rich Persaud , "Johnson, Ethan" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gVGh1LCBBdWcgMjIsIDIwMTkgYXQgNDo0MCBQTSBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29v cGVyM0BjaXRyaXguY29tPiB3cm90ZToKPgo+IE9uIDIyLzA4LzIwMTkgMjE6NTcsIFJpY2ggUGVy c2F1ZCB3cm90ZToKPiA+PiBPbiBBdWcgMjIsIDIwMTksIGF0IDA5OjUxLCBBbmRyZXcgQ29vcGVy IDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPiB3cm90ZToKPiA+Pgo+ID4+PiBPbiAyMi8wOC8y MDE5IDAzOjA2LCBKb2huc29uLCBFdGhhbiB3cm90ZToKPiA+Pj4KPiA+Pj4gRm9yIEhWTSwgb2J2 aW91c2x5IGFueXRoaW5nIHRoYXQgY2FuJ3QgYmUgdmlydHVhbGl6ZWQgbmF0aXZlbHkgYnkgdGhl Cj4gPj4+IGhhcmR3YXJlIG5lZWRzIHRvIGJlIGVtdWxhdGVkIGJ5IFhlbi9RRU1VIChzaW5jZSB0 aGUgZ3Vlc3Qga2VybmVsIGlzbid0Cj4gPj4+IGV4cGVjdGVkIHRvIGJlIGNvb3BlcmF0aXZlIHRv IGlzc3VlIFBWIGh5cGVyY2FsbHMgaW5zdGVhZCk7IGJ1dCBJIHdvdWxkCj4gPj4+IGV4cGVjdCBl bXVsYXRpb24gdG8gYmUgbGltaXRlZCB0byB0aGUgcmVsYXRpdmVseSBzbWFsbCBzdWJzZXQgb2Yg dGhlIElTQQo+ID4+PiB0aGF0IFZNWC9TVk0gY2FuJ3QgbmF0aXZlbHkgdmlydHVhbGl6ZS4gWWV0 IEkgc2VlIHRoYXQgeDg2X2VtdWxhdGUuYwo+ID4+PiBzdXBwb3J0cyBlbXVsYXRpbmcganVzdCBh Ym91dCBldmVyeXRoaW5nLiBVbmRlciB3aGF0IGNpcmN1bXN0YW5jZXMgZG9lcwo+ID4+PiBYZW4g YWN0dWFsbHkgbmVlZCB0byBwdXQgYWxsIHRoYXQgZW11bGF0aW9uIGNvZGUgdG8gdXNlPwo+ID4+ IEludHJvc3BlY3Rpb24sIGFzIEkgc2FpZCBlYXJsaWVyLCB3aGljaCBpcyBwb3RlbnRpYWxseSBh bnkgaW5zdHJ1Y3Rpb24uCj4gPiBDb3VsZCBpbnRyb3NwZWN0aW9uLXNwZWNpZmljIGVtdWxhdGlv biBjb2RlIGJlIGRpc2FibGVkIHZpYSBLQ29uZmlnPwo+Cj4gTm90IHJlYWxseS4KPgo+IEF0IHRo ZSBwb2ludCBzb21ldGhpbmcgaGFzIHRyYXBwZWQgZm9yIGVtdWxhdGlvbiwgd2UgbXVzdCBjb21w bGV0ZSBpdCBpbgo+IGEgbWFubmVyIGNvbnNpc3RlbnQgd2l0aCB0aGUgeDg2IGFyY2hpdGVjdHVy ZSwgb3IgdGhlIGd1ZXN0IHdpbGwgY3Jhc2guCj4KPiBJZiB5b3UgZG9uJ3Qgd2FudCBlbXVsYXRp b24gZnJvbSBpbnRyb3NwZWN0aW9uLCBkb24ndCBzdGFydAo+IGludHJvc3BlY3RpbmcgaW4gdGhl IGZpcnN0IHBsYWNlLCBhdCB3aGljaCBwb2ludCBndWVzdCBhY3Rpb25zIHdvbid0Cj4gdHJhcCBp biB0aGUgZmlyc3QgcGxhY2UuCgpUaGF0J3MgaW5jb3JyZWN0LCB5b3UgY2FuIGFic29sdXRlbHkg ZG8gaW50cm9zcGVjdGlvbiB3aXRoIHZtX2V2ZW50cwphbmQgTk9UIGVtdWxhdGUgYW55dGhpbmcu IFlvdSBjYW4gaGF2ZSBhbHRwMm0gaW4gcGxhY2Ugd2l0aCBkaWZmZXJlbnQKbWVtb3J5IHBlcm1p c3Npb25zIHNldCBpbiBkaWZmZXJlbnQgdmlld3MgYW5kIHN3aXRjaCBiZXR3ZWVuIHRoZSB2aWV3 cwp3aXRoIE1URiBlbmFibGVkIHRvIGFsbG93IHRoZSBzeXN0ZW0gdG8gY29udGludWUgZXhlY3V0 aW5nLiBUaGlzIGRvZXMKbm90IHJlcXVpcmUgZW11bGF0aW9uIG9mIGFueXRoaW5nLiBJIHdvdWxk IGJlIGJlaGluZCBhIEtDT05GSUcgb3B0aW9uCnRoYXQgdHVybnMgb2ZmIHBhcnRzIG9mIHRoZSBl bXVsYXRvciB0aGF0IGFyZSBvbmx5IHVzZWQgYnkgYSBzdWJzZXQgb2YKaW50cm9zcGVjdGlvbiB1 c2VjYXNlcy4gQnV0IHRoaXMgc2hvdWxkIG5vdCBiZSBhbiBvcHRpb24gdGhhdCB0dXJucwpvZmYg aW50cm9zcGVjdGlvbiBpdHNlbGYsIHRoZSB0d28gdGhpbmdzIGFyZSBOT1QgaW50ZXItZGVwZW5k ZW50LgoKVGFtYXMKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=