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Tue, 9 Jun 2020 10:47:34 +0000 (UTC) Received: from EX13D20UWC001.ant.amazon.com (10.43.162.244) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Jun 2020 10:47:34 +0000 Received: from 38f9d3867b82.ant.amazon.com (10.43.162.208) by EX13D20UWC001.ant.amazon.com (10.43.162.244) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 9 Jun 2020 10:47:29 +0000 Subject: Re: [PATCH v3 07/18] nitro_enclaves: Init misc device providing the ioctl interface To: Benjamin Herrenschmidt , Greg KH CC: Andra Paraschiv , , Anthony Liguori , Colm MacCarthaigh , Bjoern Doebel , David Woodhouse , Frank van der Linden , "Martin Pohlack" , Matt Wilson , Paolo Bonzini , Balbir Singh , Stefano Garzarella , Stefan Hajnoczi , Stewart Smith , Uwe Dannowski , , References: <20200525221334.62966-1-andraprs@amazon.com> <20200525221334.62966-8-andraprs@amazon.com> <20200526065133.GD2580530@kroah.com> <72647fa4-79d9-7754-9843-a254487703ea@amazon.de> <20200526123300.GA2798@kroah.com> <59007eb9-fad3-9655-a856-f5989fa9fdb3@amazon.de> <20200526131708.GA9296@kroah.com> <29ebdc29-2930-51af-8a54-279c1e449a48@amazon.de> <20200526222402.GC179549@kroah.com> <20200528131259.GA3345766@kroah.com> From: Alexander Graf Message-ID: Date: Tue, 9 Jun 2020 12:47:27 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.43.162.208] X-ClientProxiedBy: EX13D30UWC003.ant.amazon.com (10.43.162.122) To EX13D20UWC001.ant.amazon.com (10.43.162.244) Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CgpPbiAwMS4wNi4yMCAwNTowNCwgQmVuamFtaW4gSGVycmVuc2NobWlkdCB3cm90ZToKPiAKPiAK PiBPbiBUaHUsIDIwMjAtMDUtMjggYXQgMTU6MTIgKzAyMDAsIEdyZWcgS0ggd3JvdGU6Cj4+IFNv IGF0IHJ1bnRpbWUsIGFmdGVyIGFsbCBpcyBib290ZWQgYW5kIHVwIGFuZCBnb2luZywgeW91IGp1 c3QgcmlwcGVkCj4+IGNvcmVzIG91dCBmcm9tIHVuZGVyIHNvbWVvbmUncyBmZWV0PyAgOikKPj4K Pj4gQW5kIHRoZSBjb2RlIHJlYWxseSBoYW5kbGVzIHdyaXRpbmcgdG8gdGhhdCB2YWx1ZSB3aGls ZSB0aGUgbW9kdWxlIGlzCj4+IGFscmVhZHkgbG9hZGVkIGFuZCB1cCBhbmQgcnVubmluZz8gIEF0 IGEgcXVpY2sgZ2xhbmNlLCBpdCBkaWRuJ3Qgc2VlbQo+PiBsaWtlIGl0IHdvdWxkIGhhbmRsZSB0 aGF0IHZlcnkgd2VsbCBhcyBpdCBvbmx5IGlzIGNoZWNrZWQgYXQgbmVfaW5pdCgpCj4+IHRpbWUu Cj4+Cj4+IE9yIGFtIEkgbWlzc2luZyBzb21ldGhpbmc/Cj4+Cj4+IEFueXdheSwgeWVzLCBpZiB5 b3UgY2FuIGR5bmFtaWNhbGx5IGRvIHRoaXMgYXQgcnVudGltZSwgdGhhdCdzIGdyZWF0LAo+PiBi dXQgaXQgZmVlbHMgYWNrd2FyZCB0byBtZSB0byByZWx5IG9uIG9uZSBjb25maWd1cmF0aW9uIHRo aW5nIGFzIGEKPj4gbW9kdWxlIHBhcmFtZXRlciwgYW5kIGV2ZXJ5dGhpbmcgZWxzZSB0aHJvdWdo IHRoZSBpb2N0bCBpbnRlcmZhY2UuCj4+IFVuaWZpY2F0aW9uIHdvdWxkIHNlZW0gdG8gYmUgYSBn b29kIHRoaW5nLCByaWdodD8KPiAKPiBJIHBlcnNvbmFsbHkgc3RpbGwgcHJlZmVyIGEgc3lzZnMg ZmlsZSA6KSBJIHJlYWxseSBkb24ndCBsaWtlIG1vZHVsZQo+IHBhcmFtZXRlcnMgYXMgYSB3YXkg dG8gZG8gc3VjaCB0aGluZ3MuCgpJIHRoaW5rIHdlJ3JlIGdvaW5nIGluIGNpcmNsZXMgOikuCgpB IG1vZHVsZSBwYXJhbWV0ZXIgaW5pdGlhbGl6ZWQgd2l0aCBtb2R1bGVfcGFyYW1fY2IgZ2l2ZXMg dXMgYSBzeXNmcyAKZmlsZSB0aGF0IGNhbiBhbHNvIGhhdmUgYSBkZWZhdWx0IHBhcmFtZXRlciBz ZXQgdGhyb3VnaCBlYXNpbHkgYXZhaWxhYmxlIAp0b29saW5nLgoKVGhlIGlvY3RsIGhhcyB0d28g ZG93bnNpZGVzOgoKICAgMSkgSXQgcmVsaWVzIG9uIGFuIGV4dGVybmFsIGFwcGxpY2F0aW9uCiAg IDIpIFRoZSBwZXJtaXNzaW9uIGNoZWNrIHdvdWxkIGJlIHN0cmljdGx5IGxpbWl0ZWQgdG8gQ0FQ X0FETUlOLCBzeXNmcyAKZmlsZXMgY2FuIGhhdmUgZGlmZmVyZW50IHBlcm1pc3Npb25zCgpTbyBJ IGZhaWwgdG8gc2VlIGhvdyBhIG1vZHVsZSBwYXJhbWV0ZXIgaXMgKm5vdCogZ2l2aW5nIGJvdGgg b2YgeW91IGFuZCAKbWUgd2hhdCB3ZSB3YW50PyBPZiBjb3Vyc2Ugb25seSBpZiBpdCBpbXBsZW1l bnRzIHRoZSBjYWxsYmFjay4gSXQgd2FzIAptaXNzaW5nIHRoYXQgYW5kIGFwb2xvZ2l6ZSBmb3Ig dGhhdCBvdmVyc2lnaHQuCgoKQWxleAoKCgpBbWF6b24gRGV2ZWxvcG1lbnQgQ2VudGVyIEdlcm1h bnkgR21iSApLcmF1c2Vuc3RyLiAzOAoxMDExNyBCZXJsaW4KR2VzY2hhZWZ0c2Z1ZWhydW5nOiBD aHJpc3RpYW4gU2NobGFlZ2VyLCBKb25hdGhhbiBXZWlzcwpFaW5nZXRyYWdlbiBhbSBBbXRzZ2Vy aWNodCBDaGFybG90dGVuYnVyZyB1bnRlciBIUkIgMTQ5MTczIEIKU2l0ejogQmVybGluClVzdC1J RDogREUgMjg5IDIzNyA4NzkKCgo=