Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp581520ybl; Fri, 13 Dec 2019 01:04:28 -0800 (PST) X-Google-Smtp-Source: APXvYqxat+CPT9aeEpv3S39BoJdJ9p7QebjuqUTFMlftyfYc9ltbiaqbfNYOsB5tEUuCDhbGVJkY X-Received: by 2002:a05:6830:16c6:: with SMTP id l6mr13943083otr.186.1576227868280; Fri, 13 Dec 2019 01:04:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576227868; cv=none; d=google.com; s=arc-20160816; b=AvzhtEcivl6X3XEWLa5j2YbqcB4Okrds58AyGYIInolwZKEEZvCgPy8NjpKqBkr1G6 GALKPPS8Ga3bhZCL4D8za9d+dVtN9QUuobmOshtZ4fNPlzcvfK7YbG5RpNo0PDdO9v/K JJfdlPA1X//6u2wk+JWxxCdGBx8jgGwcGqsp8bLse4YnfVUvw+b5lisVqguq0p+hh3QF orc2Yn+ix3j1mFOZq4GTd0sgJwLVPYyZZLX5XdpequJVT9fBEjvDpSP+9JRzmmRfHPS3 UbpPtAtfGQ1ys/fuxyrhOUOU3c865hlCxR0Ef7+U+wHGuxnoSDSTy5eCTQ0HpVkg5J1S JKgA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:ironport-sdr :dkim-signature; bh=nZPMt1r2rquLNIIerC8fN6kOd0FjwhJ4qQN2mC6HbNs=; b=qKkYrNZQ7FWJSwFMavd/EbyZM/Mlbv+3sDndDlKj+61vTN1bmQv0ugWz5yobAqV2Id If6ChCct04aVzziG0IwCRGqU/Ljwd1S3RNAB6cS8VvhMo7TUwshgaCEqjZZHH6PjxSC2 qvNGKg1uIWJopPckapxNLdwcZugI+PxOdQJUP3/1Pqp07hqGFlzW6jPtlE/PuGGA52JK KzI0BMQ3luKFSnAfMe1aVqDzdSodvsMqeGZo/wiONdYgb+egfWwCgvjg4A7Xj0Q3mSUv Dap99oj0bNoq+3HY97OaYbDFEUIWSkhUBIzhBS/WeLCPeTh4ESp/tZs+ZJrBZpanCdgU sZ7A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=gU1BDRls; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p67si4847838oig.256.2019.12.13.01.04.16; Fri, 13 Dec 2019 01:04:28 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=gU1BDRls; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725946AbfLMJCr (ORCPT + 99 others); Fri, 13 Dec 2019 04:02:47 -0500 Received: from smtp-fw-2101.amazon.com ([72.21.196.25]:25978 "EHLO smtp-fw-2101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbfLMJCq (ORCPT ); Fri, 13 Dec 2019 04:02:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1576227766; x=1607763766; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=nZPMt1r2rquLNIIerC8fN6kOd0FjwhJ4qQN2mC6HbNs=; b=gU1BDRlsl9mzIsM/uem7DVXNEWcT7htnCh64xm6oEfTuIGmBn8du6u7k CROMAmQOO4M5vwnYd2oBmhaQBy+a1syLTLRd/n3utsSLSqztWshh3BApQ l5YOMMnaCFeijIitUaxIbYpJpLD6EZPUjB6wCeuOAwxtQHQH45siQwQ/R U=; IronPort-SDR: ELN6J2Y41O7+pP0YfYvJxoMSSDX9C/rjjIh3ouZjpmY0NjOiPHKWq2S6BJn+HsDpKbJdia8iWJ YoA4h0djaNiw== X-IronPort-AV: E=Sophos;i="5.69,309,1571702400"; d="scan'208";a="8397097" Received: from iad6-co-svc-p1-lb1-vlan2.amazon.com (HELO email-inbound-relay-1e-97fdccfd.us-east-1.amazon.com) ([10.124.125.2]) by smtp-border-fw-out-2101.iad2.amazon.com with ESMTP; 13 Dec 2019 09:02:45 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1e-97fdccfd.us-east-1.amazon.com (Postfix) with ESMTPS id 85C61A18B9; Fri, 13 Dec 2019 09:02:43 +0000 (UTC) Received: from EX13D32EUC002.ant.amazon.com (10.43.164.94) by EX13MTAUEA001.ant.amazon.com (10.43.61.243) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 13 Dec 2019 09:02:42 +0000 Received: from EX13D32EUC003.ant.amazon.com (10.43.164.24) by EX13D32EUC002.ant.amazon.com (10.43.164.94) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 13 Dec 2019 09:02:42 +0000 Received: from EX13D32EUC003.ant.amazon.com ([10.43.164.24]) by EX13D32EUC003.ant.amazon.com ([10.43.164.24]) with mapi id 15.00.1367.000; Fri, 13 Dec 2019 09:02:41 +0000 From: "Durrant, Paul" To: =?utf-8?B?SsO8cmdlbiBHcm/Dnw==?= , "xen-devel@lists.xenproject.org" , "linux-block@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Boris Ostrovsky , Stefano Stabellini Subject: RE: [PATCH v3 3/4] xen/interface: re-define FRONT/BACK_RING_ATTACH() Thread-Topic: [PATCH v3 3/4] xen/interface: re-define FRONT/BACK_RING_ATTACH() Thread-Index: AQHVsDffBxYqNCmzjU+fCrGls961Bae2A5WAgAHDUYCAAABxAA== Date: Fri, 13 Dec 2019 09:02:41 +0000 Message-ID: <32fa4b86ac9d407a94d10a3b638a4ba3@EX13D32EUC003.ant.amazon.com> References: <20191211152956.5168-1-pdurrant@amazon.com> <20191211152956.5168-4-pdurrant@amazon.com> <1c12f2d7-ce67-41fc-f022-e39ea0c4e1df@suse.com> In-Reply-To: <1c12f2d7-ce67-41fc-f022-e39ea0c4e1df@suse.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.166.122] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBKw7xyZ2VuIEdyb8OfIDxqZ3Jv c3NAc3VzZS5jb20+DQo+IFNlbnQ6IDEzIERlY2VtYmVyIDIwMTkgMDk6MDANCj4gVG86IER1cnJh bnQsIFBhdWwgPHBkdXJyYW50QGFtYXpvbi5jb20+OyB4ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVj dC5vcmc7DQo+IGxpbnV4LWJsb2NrQHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIu a2VybmVsLm9yZw0KPiBDYzogQm9yaXMgT3N0cm92c2t5IDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xl LmNvbT47IFN0ZWZhbm8gU3RhYmVsbGluaQ0KPiA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4NCj4g U3ViamVjdDogUmU6IFtQQVRDSCB2MyAzLzRdIHhlbi9pbnRlcmZhY2U6IHJlLWRlZmluZQ0KPiBG Uk9OVC9CQUNLX1JJTkdfQVRUQUNIKCkNCj4gDQo+IE9uIDEyLjEyLjE5IDA3OjA0LCBKw7xyZ2Vu IEdyb8OfIHdyb3RlOg0KPiA+IE9uIDExLjEyLjE5IDE2OjI5LCBQYXVsIER1cnJhbnQgd3JvdGU6 DQo+ID4+IEN1cnJlbnRseSB0aGVzZSBtYWNyb3MgYXJlIGRlZmluZWQgdG8gcmUtaW5pdGlhbGl6 ZSBhIGZyb250L2JhY2sgcmluZw0KPiA+PiAocmVzcGVjdGl2ZWx5KSB0byB2YWx1ZXMgcmVhZCBm cm9tIHRoZSBzaGFyZWQgcmluZyBpbiBzdWNoIGEgd2F5IHRoYXQNCj4gYW55DQo+ID4+IHJlcXVl c3RzL3Jlc3BvbnNlcyB0aGF0IGFyZSBhZGRlZCB0byB0aGUgc2hhcmVkIHJpbmcgd2hpbHN0IHRo ZQ0KPiA+PiBmcm9udC9iYWNrDQo+ID4+IGlzIGRldGFjaGVkIHdpbGwgYmUgc2tpcHBlZCBvdmVy LiBUaGlzLCBpbiBnZW5lcmFsLCBpcyBub3QgYSBkZXNpcmFibGUNCj4gPj4gc2VtYW50aWMgc2lu Y2UgbW9zdCBmcm9udGVuZCBpbXBsZW1lbnRhdGlvbnMgd2lsbCBldmVudHVhbGx5IGJsb2NrDQo+ ID4+IHdhaXRpbmcNCj4gPj4gZm9yIGEgcmVzcG9uc2Ugd2hpY2ggd291bGQgZWl0aGVyIG5ldmVy IGFwcGVhciBvciBuZXZlciBiZSBwcm9jZXNzZWQuDQo+ID4+DQo+ID4+IFNpbmNlIHRoZSBtYWNy b3MgYXJlIGN1cnJlbnRseSB1bnVzZWQsIHRha2UgdGhpcyBvcHBvcnR1bml0eSB0byByZS0NCj4g ZGVmaW5lDQo+ID4+IHRoZW0gdG8gcmUtaW5pdGlhbGl6ZSBhIGZyb250L2JhY2sgcmluZyB1c2lu ZyBzcGVjaWZpZWQgdmFsdWVzLiBUaGlzDQo+IGFsc28NCj4gPj4gYWxsb3dzIEZST05UL0JBQ0tf UklOR19JTklUKCkgdG8gYmUgcmUtZGVmaW5lZCBpbiB0ZXJtcyBvZg0KPiA+PiBGUk9OVC9CQUNL X1JJTkdfQVRUQUNIKCkgdXNpbmcgYSBzcGVjaWZpZWQgdmFsdWUgb2YgMC4NCj4gPj4NCj4gPj4g Tk9URTogQkFDS19SSU5HX0FUVEFDSCgpIHdpbGwgYmUgdXNlZCBkaXJlY3RseSBpbiBhIHN1YnNl cXVlbnQgcGF0Y2guDQo+ID4+DQo+ID4+IFNpZ25lZC1vZmYtYnk6IFBhdWwgRHVycmFudCA8cGR1 cnJhbnRAYW1hem9uLmNvbT4NCj4gPg0KPiA+IFJldmlld2VkLWJ5OiBKdWVyZ2VuIEdyb3NzIDxq Z3Jvc3NAc3VzZS5jb20+DQo+IA0KPiBQYXVsLCBJIHRoaW5rIHlvdSBzaG91bGQgc2VuZCBhIHBh dGNoIGNoYW5naW5nIHJpbmcuaCBpbiB0aGUgWGVuIHRyZWUuDQo+IA0KPiBBcyBzb29uIGFzIGl0 IGhhcyBiZWVuIGFjY2VwdGVkIEknbGwgdGFrZSB5b3VyIHNlcmllcyBmb3IgdGhlIGtlcm5lbC4N Cj4gDQoNCk9rLiBJIHdhcyB3YWl0aW5nIGZvciBhIHB1c2ggc28gdGhhdCBJIGNvdWxkIGNpdGUg dGhlIGNvbW1pdCBoYXNoIGJ1dCBJJ2xsIHByZXAgc29tZXRoaW5nIG5vdyBpbnN0ZWFkLg0KDQog IFBhdWwNCg==