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d="scan'208";a="4234916" To: Julien Grall , References: <20190812202735.23411-1-julien.grall@arm.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: Date: Tue, 13 Aug 2019 09:03:07 +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: <20190812202735.23411-1-julien.grall@arm.com> Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH] xen/arm: p2m: Free the p2m entry after flushing the IOMMU TLBs 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: olekstysh@gmail.com, oleksandr_tyshchenko@epam.com, Stefano Stabellini , Volodymyr Babchuk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTIvMDgvMjAxOSAyMToyNywgSnVsaWVuIEdyYWxsIHdyb3RlOgo+IFdoZW4gZnJlZWluZyBh IHAybSBlbnRyeSwgYWxsIHRoZSBzdWItdHJlZSBiZWhpbmQgaXQgd2lsbCBhbHNvIGJlIGZyZWVk Lgo+IFRoaXMgbWF5IGluY2x1ZGUgaW50ZXJtZWRpYXRlIHBhZ2UtdGFibGVzIG9yIGFueSBsMyBl bnRyeSByZXF1aXJpbmcgdG8KPiBkcm9wIGEgcmVmZXJlbmNlIChlLmcgZm9yIGZvcmVpZ24gcGFn ZXMpLiBBcyBzb29uIGFzIHBhZ2VzIGFyZSBmcmVlZCwKPiB0aGV5IG1heSBiZSByZS11c2VkIGJ5 IFhlbiBvciBhbm90aGVyIGRvbWFpbi4gVGhlcmVmb3JlIGl0IGlzIG5lY2Vzc2FyeQo+IHRvIGZs dXNoICphbGwqIHRoZSBUTEJzIGJlZm9yZWhhbmQuCj4KPiBXaGlsZSBDUFUgVExCcyB3aWxsIGJl IGZsdXNoZWQgYmVmb3JlIGZyZWVpbmcgdGhlIHBhZ2VzLCB0aGlzIGlzIG5vdAo+IHRoZSBjYXNl IGZvciBJT01NVSBUTEJzLiBUaGlzIGNhbiBiZSBzb2x2ZWQgYnkgbW92aW5nIHRoZSBJT01NVSBU TEJzCj4gZmx1c2ggZWFybGllciBpbiB0aGUgY29kZS4KPgo+IFRoaXMgd2Fzbid0IGNvbnNpZGVy ZWQgYXMgYSBzZWN1cml0eSBpc3N1ZSBhcyBkZXZpY2UgcGFzc3Rocm91Z2ggb24gQXJtCj4gaXMg bm90IHNlY3VyaXR5IHN1cHBvcnRlZC4KPgo+IFNpZ25lZC1vZmYtYnk6IEp1bGllbiBHcmFsbCA8 anVsaWVuLmdyYWxsQGFybS5jb20+Cj4KPiAtLS0KPgo+IENjOiBvbGVrc3R5c2hAZ21haWwuY29t Cj4gQ2M6IG9sZWtzYW5kcl90eXNoY2hlbmtvQGVwYW0uY29tCj4KPiAgICAgSSBkaXNjb3ZlcmVk IGl0IHdoaWxlIGxvb2tpbmcgYXQgdGhlIGNvZGUsIHNvIEkgZG9uJ3QgaGF2ZSBhbnkKPiAgICAg cmVwcm9kdWNlciBvZiB0aGUgaXNzdWUuIFRoZXJlIGlzIGEgc21hbGwgd2luZG93cyB3aGVyZSBw YWdlIGNvdWxkCj4gICAgIGJlIHJlYWxsb2NhdGVkIHRvIFhlbiBvciBhbm90aGVyIGRvbWFpbiBi dXQgc3RpbGwgcHJlc2VudCBpbiB0aGUKPiAgICAgSU9NTVUgVExCcy4KPgo+ICAgICBUaGlzIHBh dGNoIG9ubHkgYWRkcmVzcyB0aGUgY2FzZSB3aGVyZSB0aGUgZmx1c2ggc3VjY2VlZC4gSW4gdGhl Cj4gICAgIHVubGlrZWx5IGNhc2Ugd2hlcmUgaXQgZG9lcyBub3Qgc3VjY2VlZCwgdGhlbiB3ZSB3 aWxsIHN0aWxsIGZyZWUgdGhlCj4gICAgIHBhZ2VzLiBUaGUgSU9NTVUgaGVscGVyIHdpbGwgY3Jh c2ggZG9tYWluLCBidXQgdGhlIGRldmljZSBtYXkgc3RpbGwKPiAgICAgbm90IGJlIHF1aWVzY2Vu dC4gU28gdGhlcmUgYXJlIGEgcG90ZW50aWFsbHkgaXNzdWVzIGRvIERNQSBvbiB3cm9uZwo+ICAg ICB0aGluZ3MuCj4KPiAgICAgQXQgdGhlIG1vbWVudCwgbm9uZSBvZiB0aGUgQXJtIElPTU1VcyBk cml2ZXJzIChpbmNsdWRpbmcgdGhlIElQTU1VCj4gICAgIG9uZSB1bmRlciByZXZpZXcpIGFyZSBy ZXR1cm4gYW4gZXJyb3IgaGVyZS4gTm90ZSB0aGF0IGZsdXNoIG1heQo+ICAgICBzdGlsbCBmYWls IChzZWUgdGltZW91dCksIGJ1dCBpcyBpZ25vcmVkLiBUaGlzIGlzIG5vdCBncmVhdCBhcyBpdAo+ ICAgICBtZWFucyBhIGRldmljZSBtYXkgRE1BIGludG8gc29tZXRoaW5nIHRoYXQgZG9lcyBub3Qg YmVsb25nIHRvIHRoZQo+ICAgICBkb21haW4uIFNvIHdlIHByb2JhYmx5IHdhbnQgdG8gcmV0dXJu IGFuIGVycm9yIGhlcmUuCj4KPiAgICAgRXZlbiBpZiBhbiBlcnJvciBpcyByZXR1cm5lZCwgdGhl cmUgYXJlIHN0aWxsIHBvdGVudGlhbCBpc3N1ZXMKPiAgICAgKHNlZSBhYm92ZSkuIFRoZSBmaXgg aXMgbm90IGVudGlyZWx5IHRyaXZpYWwsIHdlIHdvdWxkIG5lZWQgdG8ga2VlcAo+ICAgICB0aGUg cGFnZSBhcm91bmQgdW50aWwgdGhlIGEgZGV2aWNlIGlzIHF1aWVzY2VudCBvciB0aGUgSU9NTVUg aXMKPiAgICAgcmVzZXQuIFRoaXMgbW9zdGx5IGxpa2VseSBtZWFucyB1bnRpbCB0aGUgZG9tYWlu IGlzIGZ1bGx5IGRlc3Ryb3llZC4KClhlbidzIGJlaGF2aW91ciB3aXRoIElPTU1VIHRpbWVvdXRz IGlzIGJyb2tlbiwgYW5kIGRlZmluaXRlbHkgdW5zYWZlLgoKV2UgZG8gbm90IChhbmQgaW5kZWVk IG11c3Qgbm90KSBpbXBvc2UgYSB0aW1lb3V0IGZvciBUTEIgZmx1c2gKb3BlcmF0aW9ucyBsb2Nh bGx5IGluIHRoZSBjb3JlLsKgIElPVExCIGZsdXNoIG9wZXJhdGlvbnMgYXJlIG5vIGRpZmZlcmVu dC4KCklmIHRoZSBJT01NVSBzdGFydHMgbWFsZnVuY3Rpb25pbmcsIHRoYXQgaXMgZmF0YWwgdG8g dGhlIHdob2xlIHN5c3RlbSwKbm90IGp1c3QgdGhlIGd1ZXN0IGluIHF1ZXN0aW9uLgoKVGhlIG9u bHkgdmlhYmxlIGFwcHJvYWNoIGlzIHRvIGRyb3AgdGhlIGFydGlmaWNpYWwgdGltZW91dHMgYW5k IHVwIHRoZQpzZXZlcml0eSBvZiBhIG1hbGZ1bmN0aW9uLgoKfkFuZHJldwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==