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d="scan'208";a="4800059" To: Tamas K Lengyel 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> From: Andrew Cooper Openpgp: preference=signencrypt Autocrypt: addr=andrew.cooper3@citrix.com; prefer-encrypt=mutual; keydata= mQINBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABtClBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPokCOgQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86LkCDQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAYkC HwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== Message-ID: <42da053f-537b-95ce-85b1-bc754fc26d22@citrix.com> Date: Fri, 23 Aug 2019 01:03:42 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) 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" T24gMjMvMDgvMjAxOSAwMDowNiwgVGFtYXMgSyBMZW5neWVsIHdyb3RlOgo+IE9uIFRodSwgQXVn IDIyLCAyMDE5IGF0IDQ6NDAgUE0gQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4 LmNvbT4gd3JvdGU6Cj4+IE9uIDIyLzA4LzIwMTkgMjE6NTcsIFJpY2ggUGVyc2F1ZCB3cm90ZToK Pj4+PiBPbiBBdWcgMjIsIDIwMTksIGF0IDA5OjUxLCBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29v cGVyM0BjaXRyaXguY29tPiB3cm90ZToKPj4+Pgo+Pj4+PiBPbiAyMi8wOC8yMDE5IDAzOjA2LCBK b2huc29uLCBFdGhhbiB3cm90ZToKPj4+Pj4KPj4+Pj4gRm9yIEhWTSwgb2J2aW91c2x5IGFueXRo aW5nIHRoYXQgY2FuJ3QgYmUgdmlydHVhbGl6ZWQgbmF0aXZlbHkgYnkgdGhlCj4+Pj4+IGhhcmR3 YXJlIG5lZWRzIHRvIGJlIGVtdWxhdGVkIGJ5IFhlbi9RRU1VIChzaW5jZSB0aGUgZ3Vlc3Qga2Vy bmVsIGlzbid0Cj4+Pj4+IGV4cGVjdGVkIHRvIGJlIGNvb3BlcmF0aXZlIHRvIGlzc3VlIFBWIGh5 cGVyY2FsbHMgaW5zdGVhZCk7IGJ1dCBJIHdvdWxkCj4+Pj4+IGV4cGVjdCBlbXVsYXRpb24gdG8g YmUgbGltaXRlZCB0byB0aGUgcmVsYXRpdmVseSBzbWFsbCBzdWJzZXQgb2YgdGhlIElTQQo+Pj4+ PiB0aGF0IFZNWC9TVk0gY2FuJ3QgbmF0aXZlbHkgdmlydHVhbGl6ZS4gWWV0IEkgc2VlIHRoYXQg eDg2X2VtdWxhdGUuYwo+Pj4+PiBzdXBwb3J0cyBlbXVsYXRpbmcganVzdCBhYm91dCBldmVyeXRo aW5nLiBVbmRlciB3aGF0IGNpcmN1bXN0YW5jZXMgZG9lcwo+Pj4+PiBYZW4gYWN0dWFsbHkgbmVl ZCB0byBwdXQgYWxsIHRoYXQgZW11bGF0aW9uIGNvZGUgdG8gdXNlPwo+Pj4+IEludHJvc3BlY3Rp b24sIGFzIEkgc2FpZCBlYXJsaWVyLCB3aGljaCBpcyBwb3RlbnRpYWxseSBhbnkgaW5zdHJ1Y3Rp b24uCj4+PiBDb3VsZCBpbnRyb3NwZWN0aW9uLXNwZWNpZmljIGVtdWxhdGlvbiBjb2RlIGJlIGRp c2FibGVkIHZpYSBLQ29uZmlnPwo+PiBOb3QgcmVhbGx5Lgo+Pgo+PiBBdCB0aGUgcG9pbnQgc29t ZXRoaW5nIGhhcyB0cmFwcGVkIGZvciBlbXVsYXRpb24sIHdlIG11c3QgY29tcGxldGUgaXQgaW4K Pj4gYSBtYW5uZXIgY29uc2lzdGVudCB3aXRoIHRoZSB4ODYgYXJjaGl0ZWN0dXJlLCBvciB0aGUg Z3Vlc3Qgd2lsbCBjcmFzaC4KPj4KPj4gSWYgeW91IGRvbid0IHdhbnQgZW11bGF0aW9uIGZyb20g aW50cm9zcGVjdGlvbiwgZG9uJ3Qgc3RhcnQKPj4gaW50cm9zcGVjdGluZyBpbiB0aGUgZmlyc3Qg cGxhY2UsIGF0IHdoaWNoIHBvaW50IGd1ZXN0IGFjdGlvbnMgd29uJ3QKPj4gdHJhcCBpbiB0aGUg Zmlyc3QgcGxhY2UuCj4gVGhhdCdzIGluY29ycmVjdCwgeW91IGNhbiBhYnNvbHV0ZWx5IGRvIGlu dHJvc3BlY3Rpb24gd2l0aCB2bV9ldmVudHMKPiBhbmQgTk9UIGVtdWxhdGUgYW55dGhpbmcuIFlv dSBjYW4gaGF2ZSBhbHRwMm0gaW4gcGxhY2Ugd2l0aCBkaWZmZXJlbnQKPiBtZW1vcnkgcGVybWlz c2lvbnMgc2V0IGluIGRpZmZlcmVudCB2aWV3cyBhbmQgc3dpdGNoIGJldHdlZW4gdGhlIHZpZXdz Cj4gd2l0aCBNVEYgZW5hYmxlZCB0byBhbGxvdyB0aGUgc3lzdGVtIHRvIGNvbnRpbnVlIGV4ZWN1 dGluZy4gVGhpcyBkb2VzCj4gbm90IHJlcXVpcmUgZW11bGF0aW9uIG9mIGFueXRoaW5nLiBJIHdv dWxkIGJlIGJlaGluZCBhIEtDT05GSUcgb3B0aW9uCj4gdGhhdCB0dXJucyBvZmYgcGFydHMgb2Yg dGhlIGVtdWxhdG9yIHRoYXQgYXJlIG9ubHkgdXNlZCBieSBhIHN1YnNldCBvZgo+IGludHJvc3Bl Y3Rpb24gdXNlY2FzZXMuIEJ1dCB0aGlzIHNob3VsZCBub3QgYmUgYW4gb3B0aW9uIHRoYXQgdHVy bnMKPiBvZmYgaW50cm9zcGVjdGlvbiBpdHNlbGYsIHRoZSB0d28gdGhpbmdzIGFyZSBOT1QgaW50 ZXItZGVwZW5kZW50LgoKSSBmZWFyIHdlIGFyZSBnZXR0aW5nIHNsaWdodGx5IG9mZiB0cmFjayBo ZXJlLCBidXQgSSdsbCBiaXRlLi4uCgpJbnRyb3NwZWN0aW9uIGlzIGEgeW91bmcgdGVjaG5vbG9n eSwgd2l0aCB2YXN0IHBvdGVudGlhbC7CoCBUaGlzIGlzIGdyZWF0Ci0gaXQgbWVhbnMgdGhlcmUg aXMgYSBsb3Qgb2Ygbm92ZWwgUiZEIGdvaW5nIGludG8gaXQuwqAgSXQgZG9lc24ndCBtZWFuCnRo YXQgYWxsIGFzcGVjdHMgb2YgaXQgYXJlIHZpYWJsZSBmb3IgdXNlIGJ5IGN1c3RvbWVycyB0b2Rh eS4KCkknbGwgaGF2ZSBhbiBlYXNpZXIgdGltZSBiZWxpZXZpbmcgdGhhdCBhbHRwMm0gaXMgY2xv c2UgdG8gYmVpbmcKcHJvZHVjdGlvbiByZWFkeSB3aGVuIEkgbm8gbG9uZ2VyIGZpbmUgc2VjdXJp dHktcmVsZXZhbnQgYnVncyBpbiBpdApldmVyeSB0aW1lIEkgZ28gbG9va2luZywgYW5kIHNvbWVv bmUgaGFzIG1hZGUgYSBjb2hlcmVudCBhdHRlbXB0IHRvCmp1c3RpZnkgaXQgYmVpbmcgc2VjdXJp dHkgc3VwcG9ydGVkLgoKTm9uZSBvZiB0aGlzIGFsdGVycyB0aGUgZmFjdCB0aGF0IGludHJvc3Bl Y3Rpb24gaW4gZ2VuZXJhbCBpcyBvbmUga2V5CmZhY3RvciBhcyB0byB3aHkgd2UgaGF2ZSBhIG1v c3RseS1jb21wbGV0ZSB4ODZfZW11bGF0ZSgpIChldmVuIGlmICJ4ODYKZW11bGF0ZSIgaXMgYSBz bGlnaHRseSBwb29yIGNob2ljZSBvZiBuYW1lLsKgICJkZWNvZGUgYW5kIHJlcGxheSIgd291bGQK YmUgYSBmYXIgbW9yZSBhcHQgZGVzY3JpcHRpb24gb2Ygd2hhdCBpdCBkb2VzIGZvciB0aGUgbWFq b3JpdHkgb2YKaW5zdHJ1Y3Rpb25zLikKCn5BbmRyZXcKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1h bi9saXN0aW5mby94ZW4tZGV2ZWw=