From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: Re: [PATCH 4/5] iommu: introduce iommu_groups Date: Fri, 31 May 2019 14:21:57 +0000 Message-ID: References: <20190508132403.1454-1-paul.durrant@citrix.com> <20190508132403.1454-5-paul.durrant@citrix.com> <5CDC1F96020000780022F4BF@prv1-mh.provo.novell.com> <5CF1368C02000078002340B4@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hWiQ2-0006HX-KQ for xen-devel@lists.xenproject.org; Fri, 31 May 2019 14:22:06 +0000 In-Reply-To: <5CF1368C02000078002340B4@prv1-mh.provo.novell.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: 'Jan Beulich' Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , Andrew Cooper , "Tim (Xen.org)" , George Dunlap , Julien Grall , xen-devel , Ian Jackson List-Id: xen-devel@lists.xenproject.org PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQpbc25pcF0KPiA+PiA+IC0tLSBhL3hlbi9pbmNs dWRlL3hlbi9wY2kuaAo+ID4+ID4gKysrIGIveGVuL2luY2x1ZGUveGVuL3BjaS5oCj4gPj4gPiBA QCAtNzUsNiArNzUsOSBAQCBzdHJ1Y3QgcGNpX2RldiB7Cj4gPj4gPiAgICAgIHN0cnVjdCBsaXN0 X2hlYWQgYWxsZGV2c19saXN0Owo+ID4+ID4gICAgICBzdHJ1Y3QgbGlzdF9oZWFkIGRvbWFpbl9s aXN0Owo+ID4+ID4KPiA+PiA+ICsgICAgc3RydWN0IGxpc3RfaGVhZCBncnBkZXZzX2xpc3Q7Cj4g Pj4KPiA+PiBEb2VzIHRoaXMgc2VwYXJhdGUgbGlzdCBwcm92aWRlIG11Y2ggdmFsdWU/IFRoZSBk ZXZpY2VzIGluIGEgZ3JvdXAKPiA+PiBhcmUgZ29pbmcgdG8gbW92ZSBiZXR3ZWVuIHR3byBkb21h aW5fbGlzdC1zIGFsbCBpbiBvbmUgZ28sIHNvCj4gPj4gb25jZSB5b3Uga25vdyB0aGUgZG9tYWlu IG9mIG9uZSB5b3UnbGwgYmUgYWJsZSB0byBmaW5kIHRoZSByZXN0IGJ5Cj4gPj4gaXRlcmF0aW5n IHRoYXQgZG9tYWluJ3MgbGlzdC4gSXMgdGhlIGZlYXIgdGhhdCBzdWNoIGFuIGl0ZXJhdGlvbiBt YXkKPiA+PiBiZSB0ZW5zIG9mIHRob3VzYW5kcyBvZiBlbnRyaWVzIGxvbmcsIGFuZCBoZW5jZSBi ZWNvbWUgYW4gaXNzdWUKPiA+PiB3aGVuIHRyYXZlcnNlZD8gSSBoYXZlIG5vIGlkZWEgaG93IG1h bnkgUENJIGRldmljZXMgdGhlIGJpZ2dlc3QKPiA+PiBzeXN0ZW1zIHRvZGF5IHdvdWxkIGhhdmUs IGJ1dCBpZiB0cmF2ZXJzYWwgd2FzIGFuIGlzc3VlLCB0aGVuIGl0Cj4gPj4gd291bGQgYWxyZWFk eSBiZSB3aXRoIHRoZSBjb2RlIHdlJ3ZlIGdvdCBub3cuCj4gPgo+ID4gSSdkIHByZWZlciB0byBr ZWVwIGl0Li4uIEl0IG1ha2VzIHRoZSByZS1pbXBsZW1lbnRhdGlvbiBvZiB0aGUgZG9tY3RsIGlu IHRoZQo+ID4gbmV4dCBwYXRjaCBtb3JlIHN0cmFpZ2h0Zm9yd2FyZC4KPiAKPiBJIGNhbiBhY2Nl cHQgdGhpcyBhcyB0aGUgcG9zaXRpdmUgc2lkZS4gQnV0IHRoZXJlJ3MgZXh0cmEgc3RvcmFnZQo+ IG5lZWRlZCAobm90IG11Y2gsIGJ1dCBhbnl3YXkpLCBhbmQgdGhlIG1vcmUgKGluZGVwZW5kZW50 KQo+IGxpc3RzIHdlIGhhdmUgdGhhdCBkZXZpY2VzIGNhbiBiZSBvbiwgdGhlIG1vcmUgbGlrZWx5 IGl0J2xsIGJlIHRoYXQKPiBvbmUgb2YgdGhlbSBnZXRzIHNjcmV3ZWQgdXAgYXQgc29tZSBwb2lu dCAoZS5nLiBieSBmb3JnZXR0aW5nCj4gdG8gcmVtb3ZlIGEgZGV2aWNlIGZyb20gb25lIG9mIHRo ZW0gcHJpb3IgdG8gZGUtYWxsb2NhdGlvbikuCgpPaywgSSdsbCBkcm9wIHRoZSBsaXN0IGFuZCBq dXN0IG1hdGNoIG9uIHRoZSBncnAgcG9pbnRlci4KCiAgUGF1bAoKPiAKPiBKYW4KPiAKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFp bGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhl bnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53E24C04AB6 for ; Fri, 31 May 2019 14:22:24 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2D355205ED for ; Fri, 31 May 2019 14:22:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D355205ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hWiQ3-0006Hc-PR; Fri, 31 May 2019 14:22:07 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hWiQ2-0006HX-KQ for xen-devel@lists.xenproject.org; Fri, 31 May 2019 14:22:06 +0000 X-Inumbo-ID: 7583f6ec-83af-11e9-b17d-1388e5386aa9 Received: from esa2.hc3370-68.iphmx.com (unknown [216.71.145.153]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 7583f6ec-83af-11e9-b17d-1388e5386aa9; Fri, 31 May 2019 14:22:03 +0000 (UTC) Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=Paul.Durrant@citrix.com; spf=Pass smtp.mailfrom=Paul.Durrant@citrix.com; spf=None smtp.helo=postmaster@MIAPEX02MSOL01.citrite.net Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of Paul.Durrant@citrix.com) identity=pra; client-ip=23.29.105.83; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="Paul.Durrant@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa2.hc3370-68.iphmx.com: domain of Paul.Durrant@citrix.com designates 23.29.105.83 as permitted sender) identity=mailfrom; client-ip=23.29.105.83; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="Paul.Durrant@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:23.29.105.83 ip4:162.221.156.50 ~all" Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@MIAPEX02MSOL01.citrite.net) identity=helo; client-ip=23.29.105.83; receiver=esa2.hc3370-68.iphmx.com; envelope-from="Paul.Durrant@citrix.com"; x-sender="postmaster@MIAPEX02MSOL01.citrite.net"; x-conformance=sidf_compatible IronPort-SDR: k0i/qd/aAIusveL561KiMguPMqIThjBHVsd6cfEp/mAxDqNgiHaCeC9Eyw9s4hv5S8pvslqGSR /3iMKDcQAbDVWZXtNWooLLPILYVZF7DXyxjU205EOn4mvLjNVahJcKuSMbci/OMeYY36Yk6jfg xaYslgGKodk9PwH2WLktveczDZ+7gIl1Uj9ggLRTroeb2aZky4ltuhoxRa2ShGW0kthlrrqTMx Su0PpISXO/ZHM/6yK2qZK6jjMUiOJphfQVzxy77ei4QjGYCWj9doMl3brCK6z4Ijj7mD6TjtFU a2g= X-SBRS: 2.7 X-MesageID: 1161495 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 23.29.105.83 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.60,535,1549947600"; d="scan'208";a="1161495" From: Paul Durrant To: 'Jan Beulich' Thread-Topic: [PATCH 4/5] iommu: introduce iommu_groups Thread-Index: AQHVBaFRy03LVQmKMkuPdTuUm46mjKZsJTQAgBk+p7D//+VpAIAAIl5g Date: Fri, 31 May 2019 14:21:57 +0000 Message-ID: References: <20190508132403.1454-1-paul.durrant@citrix.com> <20190508132403.1454-5-paul.durrant@citrix.com> <5CDC1F96020000780022F4BF@prv1-mh.provo.novell.com> <5CF1368C02000078002340B4@prv1-mh.provo.novell.com> In-Reply-To: <5CF1368C02000078002340B4@prv1-mh.provo.novell.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 MIME-Version: 1.0 Subject: Re: [Xen-devel] [PATCH 4/5] iommu: introduce iommu_groups 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: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , Andrew Cooper , "Tim \(Xen.org\)" , George Dunlap , Julien Grall , xen-devel , Ian Jackson Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190531142157.kioi36Yb3b_kbpfTiuo1WQ3aOsu98lNTPgfCCtqL28o@z> PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQpbc25pcF0KPiA+PiA+IC0tLSBhL3hlbi9pbmNs dWRlL3hlbi9wY2kuaAo+ID4+ID4gKysrIGIveGVuL2luY2x1ZGUveGVuL3BjaS5oCj4gPj4gPiBA QCAtNzUsNiArNzUsOSBAQCBzdHJ1Y3QgcGNpX2RldiB7Cj4gPj4gPiAgICAgIHN0cnVjdCBsaXN0 X2hlYWQgYWxsZGV2c19saXN0Owo+ID4+ID4gICAgICBzdHJ1Y3QgbGlzdF9oZWFkIGRvbWFpbl9s aXN0Owo+ID4+ID4KPiA+PiA+ICsgICAgc3RydWN0IGxpc3RfaGVhZCBncnBkZXZzX2xpc3Q7Cj4g Pj4KPiA+PiBEb2VzIHRoaXMgc2VwYXJhdGUgbGlzdCBwcm92aWRlIG11Y2ggdmFsdWU/IFRoZSBk ZXZpY2VzIGluIGEgZ3JvdXAKPiA+PiBhcmUgZ29pbmcgdG8gbW92ZSBiZXR3ZWVuIHR3byBkb21h aW5fbGlzdC1zIGFsbCBpbiBvbmUgZ28sIHNvCj4gPj4gb25jZSB5b3Uga25vdyB0aGUgZG9tYWlu IG9mIG9uZSB5b3UnbGwgYmUgYWJsZSB0byBmaW5kIHRoZSByZXN0IGJ5Cj4gPj4gaXRlcmF0aW5n IHRoYXQgZG9tYWluJ3MgbGlzdC4gSXMgdGhlIGZlYXIgdGhhdCBzdWNoIGFuIGl0ZXJhdGlvbiBt YXkKPiA+PiBiZSB0ZW5zIG9mIHRob3VzYW5kcyBvZiBlbnRyaWVzIGxvbmcsIGFuZCBoZW5jZSBi ZWNvbWUgYW4gaXNzdWUKPiA+PiB3aGVuIHRyYXZlcnNlZD8gSSBoYXZlIG5vIGlkZWEgaG93IG1h bnkgUENJIGRldmljZXMgdGhlIGJpZ2dlc3QKPiA+PiBzeXN0ZW1zIHRvZGF5IHdvdWxkIGhhdmUs IGJ1dCBpZiB0cmF2ZXJzYWwgd2FzIGFuIGlzc3VlLCB0aGVuIGl0Cj4gPj4gd291bGQgYWxyZWFk eSBiZSB3aXRoIHRoZSBjb2RlIHdlJ3ZlIGdvdCBub3cuCj4gPgo+ID4gSSdkIHByZWZlciB0byBr ZWVwIGl0Li4uIEl0IG1ha2VzIHRoZSByZS1pbXBsZW1lbnRhdGlvbiBvZiB0aGUgZG9tY3RsIGlu IHRoZQo+ID4gbmV4dCBwYXRjaCBtb3JlIHN0cmFpZ2h0Zm9yd2FyZC4KPiAKPiBJIGNhbiBhY2Nl cHQgdGhpcyBhcyB0aGUgcG9zaXRpdmUgc2lkZS4gQnV0IHRoZXJlJ3MgZXh0cmEgc3RvcmFnZQo+ IG5lZWRlZCAobm90IG11Y2gsIGJ1dCBhbnl3YXkpLCBhbmQgdGhlIG1vcmUgKGluZGVwZW5kZW50 KQo+IGxpc3RzIHdlIGhhdmUgdGhhdCBkZXZpY2VzIGNhbiBiZSBvbiwgdGhlIG1vcmUgbGlrZWx5 IGl0J2xsIGJlIHRoYXQKPiBvbmUgb2YgdGhlbSBnZXRzIHNjcmV3ZWQgdXAgYXQgc29tZSBwb2lu dCAoZS5nLiBieSBmb3JnZXR0aW5nCj4gdG8gcmVtb3ZlIGEgZGV2aWNlIGZyb20gb25lIG9mIHRo ZW0gcHJpb3IgdG8gZGUtYWxsb2NhdGlvbikuCgpPaywgSSdsbCBkcm9wIHRoZSBsaXN0IGFuZCBq dXN0IG1hdGNoIG9uIHRoZSBncnAgcG9pbnRlci4KCiAgUGF1bAoKPiAKPiBKYW4KPiAKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFp bGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhl bnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs