Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp4129554ybl; Mon, 9 Dec 2019 06:03:06 -0800 (PST) X-Google-Smtp-Source: APXvYqypyBcTkvoeGYZBlbiWRoItCUeGtSkuYt3IVWkRGCOLbIQn8vnjAMcs4M6ltr3pACjJTFOC X-Received: by 2002:a9d:7e8c:: with SMTP id m12mr21885398otp.346.1575900186734; Mon, 09 Dec 2019 06:03:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575900186; cv=none; d=google.com; s=arc-20160816; b=Lifc66QlwWKdvm0JjvoIZEhOYyb9UqQzxUl2NZgVIqHDsKTXx0SErJvXdSztyuHsjp P9wtua9TvS3DY1msGjYCThjXsslMNbyM+d5peWqEXwWZJI4oT11k+KDBk4O+N5GyOC/Z 6Zzpph15WhTsu46fPbbB4VoXBGTxiyTfvz/cTos1pTvQnHmqx+29iQjS/PiJMuMas6hx 677L6LLbWyCGGT3xfFQ9ZtLOk0zpxJkDWxz2O3kpGRonKOmn5K4fdF4QO0vfShfevKc7 +NcGzgPrrFW8/Lw2sZCNd+qF8H4djLW3uDWn9ufHiFTYvm4uasT7v0FKZhswWZYDgnYI odKw== 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=+i/b4CFSEFHJeiq4trv8xtJuqigVv7Z2IWBdQyD0XN8=; b=n5o5seleRWOxKofHkCD6uO6dwYMj13kKM4ZCGDj8+OcpETvQlpnSNj1GguF9UF1nLf jX8WEjuzn/BRKVFUoarylI3KzR//Mtrql9Cj7UDYiUYhUKTS4FepS5x1s4X031Jh6nJs MqTTtFwN0yN/fwnLCZz9tNeBCqGVfD1FHpGqJBA6aDu5dAMGo6lBHQhsytvgmAb8DeTD eCnO5lZgRBmDZ/bnm77XM9DS8L+xqr8mKkV0w9789Ij3TqQq190rTIuODkpTsoBOoJzI /pEN9Mg1A8YeCcJMTu2eBNLM0ALVUdlxuopIwbe6XcqLtIKbzgRZfCLK2CPbKT6x+21C XjZg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=pxeQmvsd; 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 10si11505806oin.212.2019.12.09.06.02.52; Mon, 09 Dec 2019 06:03:06 -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=pxeQmvsd; 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 S1727526AbfLIOCT (ORCPT + 99 others); Mon, 9 Dec 2019 09:02:19 -0500 Received: from smtp-fw-9101.amazon.com ([207.171.184.25]:7886 "EHLO smtp-fw-9101.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726687AbfLIOCT (ORCPT ); Mon, 9 Dec 2019 09:02:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1575900138; x=1607436138; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=+i/b4CFSEFHJeiq4trv8xtJuqigVv7Z2IWBdQyD0XN8=; b=pxeQmvsd6fFlCSgLzx8k9O2cHbz4WvTrqWVct4kt56nzxTMuYzeaMfJb AQiHNuSYJD3fKhjX9UOWo9Jso/iRXv52bQt9ElKLOw9VRaBdTuUpSH8pM Z5tm5XpDvjP1WMcXIV/SDCrIIMMoT4YnsI9/YRDZUGEnDUb+W1JCVDKkt 8=; IronPort-SDR: ZtjWxqRUb6zVEKInpl8mlFv42ZyzVIRguM0rDek4yp66JehlC7VoQgT6RqBV2588FDLhStBdC5 3qfwaWE0MNzw== X-IronPort-AV: E=Sophos;i="5.69,294,1571702400"; d="scan'208";a="4027420" Received: from sea32-co-svc-lb4-vlan3.sea.corp.amazon.com (HELO email-inbound-relay-1d-5dd976cd.us-east-1.amazon.com) ([10.47.23.38]) by smtp-border-fw-out-9101.sea19.amazon.com with ESMTP; 09 Dec 2019 14:01:47 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1d-5dd976cd.us-east-1.amazon.com (Postfix) with ESMTPS id 4569AA22B3; Mon, 9 Dec 2019 14:01:44 +0000 (UTC) Received: from EX13D32EUC002.ant.amazon.com (10.43.164.94) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Dec 2019 14:01:44 +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; Mon, 9 Dec 2019 14:01:44 +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; Mon, 9 Dec 2019 14:01:43 +0000 From: "Durrant, Paul" To: =?utf-8?B?SsO8cmdlbiBHcm/Dnw==?= , "linux-kernel@vger.kernel.org" , "xen-devel@lists.xenproject.org" CC: Konrad Rzeszutek Wilk , =?utf-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= , Jens Axboe , Boris Ostrovsky , "Stefano Stabellini" Subject: RE: [PATCH 4/4] xen-blkback: support dynamic unbind/bind Thread-Topic: [PATCH 4/4] xen-blkback: support dynamic unbind/bind Thread-Index: AQHVq3SGozEa3lNeXkCoixgttFczb6ex2l+AgAAA6dA= Date: Mon, 9 Dec 2019 14:01:43 +0000 Message-ID: <158cb2845bec457fa54c6dfbd5a9efac@EX13D32EUC003.ant.amazon.com> References: <20191205140123.3817-1-pdurrant@amazon.com> <20191205140123.3817-5-pdurrant@amazon.com> In-Reply-To: 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: [10.43.164.211] 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+IFNlbnQ6IDA5IERlY2VtYmVyIDIwMTkgMTM6NTgNCj4gVG86IER1cnJh bnQsIFBhdWwgPHBkdXJyYW50QGFtYXpvbi5jb20+OyBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwu b3JnOw0KPiB4ZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcNCj4gQ2M6IEtvbnJhZCBSemVz enV0ZWsgV2lsayA8a29ucmFkLndpbGtAb3JhY2xlLmNvbT47IFJvZ2VyIFBhdSBNb25uw6kNCj4g PHJvZ2VyLnBhdUBjaXRyaXguY29tPjsgSmVucyBBeGJvZSA8YXhib2VAa2VybmVsLmRrPjsgQm9y aXMgT3N0cm92c2t5DQo+IDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT47IFN0ZWZhbm8gU3Rh YmVsbGluaSA8c3N0YWJlbGxpbmlAa2VybmVsLm9yZz4NCj4gU3ViamVjdDogUmU6IFtQQVRDSCA0 LzRdIHhlbi1ibGtiYWNrOiBzdXBwb3J0IGR5bmFtaWMgdW5iaW5kL2JpbmQNCj4gDQo+IE9uIDA1 LjEyLjE5IDE1OjAxLCBQYXVsIER1cnJhbnQgd3JvdGU6DQo+ID4gQnkgc2ltcGx5IHJlLWF0dGFj aGluZyB0byBzaGFyZWQgcmluZ3MgZHVyaW5nIGNvbm5lY3RfcmluZygpIHJhdGhlciB0aGFuDQo+ ID4gYXNzdW1pbmcgdGhleSBhcmUgZnJlc2hseSBhbGxvY2F0ZWQgKGkuZSBhc3N1bWluZyB0aGUg Y291bnRlcnMgYXJlIHplcm8pDQo+ID4gaXQgaXMgcG9zc2libGUgZm9yIHZiZCBpbnN0YW5jZXMg dG8gYmUgdW5ib3VuZCBhbmQgcmUtYm91bmQgZnJvbSBhbmQgdG8NCj4gPiAocmVzcGVjdGl2ZWx5 KSBhIHJ1bm5pbmcgZ3Vlc3QuDQo+ID4NCj4gPiBUaGlzIGhhcyBiZWVuIHRlc3RlZCBieSBydW5u aW5nOg0KPiA+DQo+ID4gd2hpbGUgdHJ1ZTsgZG8gZGQgaWY9L2Rldi91cmFuZG9tIG9mPXRlc3Qu aW1nIGJzPTFNIGNvdW50PTEwMjQ7IGRvbmUNCj4gPg0KPiA+IGluIGEgUFYgZ3Vlc3Qgd2hpbHN0 IHJ1bm5pbmc6DQo+ID4NCj4gPiB3aGlsZSB0cnVlOw0KPiA+ICAgIGRvIGVjaG8gdmJkLSRET01J RC0kVkJEID51bmJpbmQ7DQo+ID4gICAgZWNobyB1bmJvdW5kOw0KPiA+ICAgIHNsZWVwIDU7DQo+ ID4gICAgZWNobyB2YmQtJERPTUlELSRWQkQgPmJpbmQ7DQo+ID4gICAgZWNobyBib3VuZDsNCj4g PiAgICBzbGVlcCAzOw0KPiA+ICAgIGRvbmUNCj4gPg0KPiA+IGluIGRvbTAgZnJvbSAvc3lzL2J1 cy94ZW4tYmFja2VuZC9kcml2ZXJzL3ZiZCB0byBjb250aW51b3VzbHkgdW5iaW5kIGFuZA0KPiA+ IHJlLWJpbmQgaXRzIHN5c3RlbSBkaXNrIGltYWdlLg0KPiANCj4gQ291bGQgeW91IGRvIHRoZSBz YW1lIHRlc3Qgd2l0aCBtaXhlZCByZWFkcy93cml0ZXMgYW5kIHZlcmlmaWNhdGlvbiBvZg0KPiB0 aGUgcmVhZC93cml0dGVuIGRhdGEsIHBsZWFzZT8gQSB3cml0ZS1vbmx5IHRlc3QgaXMgbm90IF90 aGF0Xw0KPiBjb252aW5jaW5nIHJlZ2FyZGluZyBjb3JyZWN0bmVzcy4gSXQgb25seSBwcm92ZXMg dGhlIGd1ZXN0IGlzIG5vdA0KPiBjcmFzaGluZy4NCg0KU3VyZS4gSSdsbCBmaW5kIHNvbWV0aGlu ZyB0aGF0IHdpbGwgdmVyaWZ5IGNvbnRlbnQuDQoNCj4gDQo+IEknbSBmaW5lIHdpdGggdGhlIGdl bmVyYWwgYXBwcm9hY2gsIHRob3VnaC4NCj4gDQoNCkNvb2wsIHRoYW5rcywNCg0KICBQYXVsDQoN Cj4gDQo+IEp1ZXJnZW4NCg==