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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 E6BCCC32751 for ; Wed, 7 Aug 2019 15:01:16 +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 BF41D21BF2 for ; Wed, 7 Aug 2019 15:01:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BF41D21BF2 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 1hvNQr-0003tB-72; Wed, 07 Aug 2019 15:00:53 +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 1hvNQp-0003t5-Cs for xen-devel@lists.xenproject.org; Wed, 07 Aug 2019 15:00:51 +0000 X-Inumbo-ID: 23d99838-b924-11e9-8370-7fd502c26c9b Received: from esa1.hc3370-68.iphmx.com (unknown [216.71.145.142]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 23d99838-b924-11e9-8370-7fd502c26c9b; Wed, 07 Aug 2019 15:00:48 +0000 (UTC) Authentication-Results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=andrew.cooper3@citrix.com; spf=Pass smtp.mailfrom=Andrew.Cooper3@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender authenticity information available from domain of andrew.cooper3@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa1.hc3370-68.iphmx.com: domain of Andrew.Cooper3@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="Andrew.Cooper3@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 ip4:162.221.158.21 ip4:162.221.156.83 ~all" Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: jrPePL3klIsjLJP1k2tZ/qnWjn5usTxEIS+JBeF6FCdmTOrS6lo9sW7bLvevUHhFnXsSWZ2xik WjnRR8B0iuvZMhUj5OX/3KGGWoU63tjKl9jIb/QrFXiechdgTfpEBUukos1vo49zRot9vhBR05 2TQg8MVsmmToKLTsYdXJfXN5CTDkYTYAwvIUOjoC3CmM+d703ILyrDqVZml6/GpyRzrdMASecw kabt5RIKR63Pbc9M2DRpHeKo7DieEWt7zVuBYaxkT8VwzdP5ws+sAN0RLYBINik4bsymFESDdK V24= X-SBRS: 2.7 X-MesageID: 4023389 X-Ironport-Server: esa1.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.64,357,1559534400"; d="scan'208";a="4023389" To: Jan Beulich References: <20190807112024.19480-1-elnikety@amazon.com> <33d6bbb5-cecd-a499-89f4-1592a3fb0eac@citrix.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: <83a583e2-f4f2-8519-ce58-b200987dcab5@citrix.com> Date: Wed, 7 Aug 2019 16:00:43 +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: 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] evtchn: make support for different ABIs tunable 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 , George Dunlap , Tim Deegan , Ian Jackson , Eslam Elnikety , Julien Grall , Anthony PERARD , xen-devel@lists.xenproject.org, David Woodhouse Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDcvMDgvMjAxOSAxNTozMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gT24gMDcuMDguMjAxOSAx NTo0MSwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gT24gMDcvMDgvMjAxOSAxMjoyMCwgRXNsYW0g RWxuaWtldHkgd3JvdGU6Cj4+PiBkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvcHVibGljL2RvbWN0 bC5oIGIveGVuL2luY2x1ZGUvcHVibGljL2RvbWN0bC5oCj4+PiBpbmRleCAxOTQ4NmQ1ZTMyLi42 NTRiNGZkZDIyIDEwMDY0NAo+Pj4gLS0tIGEveGVuL2luY2x1ZGUvcHVibGljL2RvbWN0bC5oCj4+ PiArKysgYi94ZW4vaW5jbHVkZS9wdWJsaWMvZG9tY3RsLmgKPj4+IEBAIC02NCw2ICs2NCw5IEBA IHN0cnVjdCB4ZW5fZG9tY3RsX2NyZWF0ZWRvbWFpbiB7Cj4+PiDCoMKgIC8qIElzIHRoaXMgYSB4 ZW5zdG9yZSBkb21haW4/ICovCj4+PiDCoCAjZGVmaW5lIF9YRU5fRE9NQ1RMX0NERl94c19kb21h aW7CoMKgwqDCoCA0Cj4+PiDCoCAjZGVmaW5lIFhFTl9ET01DVExfQ0RGX3hzX2RvbWFpbsKgwqDC oMKgwqAgKDFVPDxfWEVOX0RPTUNUTF9DREZfeHNfZG9tYWluKQo+Pj4gKyAvKiBEaXNhYmxlIEZJ Rk8gZXZlbnQgY2hhbm5lbHM/ICovCj4+PiArI2RlZmluZSBfWEVOX0RPTUNUTF9DREZfZGlzYWJs ZV9maWZvwqAgNQo+Pj4gKyNkZWZpbmUgWEVOX0RPTUNUTF9DREZfZGlzYWJsZV9maWZvwqDCoAo+ Pj4gKDFVPDxfWEVOX0RPTUNUTF9DREZfZGlzYWJsZV9maWZvKQo+Pj4gwqDCoMKgwqDCoCB1aW50 MzJfdCBmbGFnczsKPj4KPj4gT24gdGhlIHN1YmplY3Qgb2YgdGhlIHRoZSBwYXRjaCBpdHNlbGYs IEkgdGhpbmsgdGhpcyBpcyBicm9hZGx5IHRoZQo+PiByaWdodCBwcmluY2lwbGUsIGJ1dCB3YW50 cyB0byBiZSBleHByZXNzZWQgZGlmZmVyZW50bHkuCj4+Cj4+IEZpcnN0LCB5b3UnbGwgd2FudCB0 byByZWJhc2Ugb250byBhIHZlcnkgcmVjZW50IG1hc3RlciwgYW5kIHNwZWNpZmljYWxseQo+PiBv dmVyIGMvcyBkOGYyNDkwNTYxZWIgd2hpY2ggaGFzIGNoYW5nZWQgaG93IHRoaXMgZmllbGQgaXMg aGFuZGxlZCBpbgo+PiBYZW4uCj4+Cj4+IEZ1cnRoZXJtb3JlLCBpZiB0aGVyZSBpcyB0aGlzIHBy b2JsZW0gZm9yIGV2ZW50IGNoYW5uZWxzLCB0aGVuIHRoZXJlIGlzCj4+IGFsbW9zdCBjZXJ0YWlu bHkgYSByZWxhdGVkIHByb2JsZW0gZm9yIGdyYW50IHRhYmxlcy4KPj4KPj4gVGhlIGNvbnRyb2wg aW4gWGVuIHNob3VsZCBiZSBleHByZXNzZWQgaW4gYSBwb3NpdGl2ZSBmb3JtLCBvciB0aGUgbG9n aWMKPj4gd2lsbCBiZWNvbWUgYSB0YW5nbGUuwqAgSXQgc2hvdWxkIGJlIGEgYml0IHBlcm1pdHRp bmcgdGhlIHVzZSBvZiB0aGUgRklGTwo+PiBBQkksIHJhdGhlciB0aGFuIGEgYml0IHNheWluZyAi b2ggYWN0dWFsbHksIHlvdSBjYW4ndCB1c2UgdGhhdCIuCj4+Cj4+IFRoYXQgc2FpZCwgaXQgbWln aHQgYmUgZWFzaWVyIHRvIGRlY2xhcmUgRklGTyB0byBiZSAiZXZlbnQgY2hhbm5lbCB2MiIsCj4+ IGFuZCBzcGVjaWZ5IG1heF97Z3JhbnQsZXZudGNobn1fdmVyIGluc3RlYWQuCj4KPiBJJ20gbm90 IHN1cmUgYXNzdW1pbmcgbGluZWFyIChvciBhY3R1YWxseSBhbnkpIG9yZGVyaW5nIGJldHdlZW4K PiB2YXJpYW50cyBpcyBhIGdvb2QgdGhpbmcuIFllcywgcmlnaHQgbm93IHdlIG9ubHkgaGF2ZSBn bnR0YWIKPiB2MSBhbmQgdjIgYW5kIGV2dGNobiAybCBhbmQgZmlmbywgd2hpY2ggY291bGQgYmUg Y29uc2lkZXJlZCB2MQo+IGFuZCB2MiBhcyB5b3Ugc3VnZ2VzdC4gSG93ZXZlciwgYXNzdW1pbmcg YSAzcmQgdmFyaWFudCBzdXJmYWNlcywKPiB3aHkgd291bGQgaXQgYmUgdGhhdCBvbmUgaGFzIHRv IGV4cG9zZSB2MiBqdXN0IHRvIG1ha2UgdjMKPiB1c2FibGU/IEluIHBhcnRpY3VsYXIgZ250dGFi IHYyIGhhcyB2YXJpb3VzIGlzc3VlcyAod2hpY2ggaXMgd2h5Cj4geW91IGludHJvZHVjZWQgYSB3 YXkgdG8gZGlzYWJsZSBpdHMgdXNlIGluIHRoZSBmaXJzdCBwbGFjZSksIHlldAo+IEknZCBob3Bl IHdlJ2QgZW5kIHVwIHdpdGggYSBsZXNzIHF1aXJreSB2MyBpZiBvbmUgZXZlciBiZWNvbWVzCj4g bmVjZXNzYXJ5LiBBbmQgaW4gdHVybiBJJ2QgaG9wZSB3ZSBjb3VsZCBoaWRlIHYyIGZyb20gYW55 IHYzCj4gdXNlcnMuCj4KPiBJT1cgSSB0aGluayBhIGJpdG1hcCB0byBwZXJtaXQgdXNlIG9mICJh ZHZhbmNlZCIgdmVyc2lvbnMgaXMKPiBtb3JlIGZ1dHVyZSBwcm9vZi4gKEFzIGEgc2lkZSBub3Rl LCBJIGRvbid0IHRoaW5rIHdlIHdhbnQgdG8KPiBpbnRyb2R1Y2UgYSBkaXNhYmxlIGZvciB0aGUg cmVzcGVjdGl2ZSB2MSBpbnRlcmZhY2VzLikKCldlIGFic29sdXRlbHkgZG8gd2FudCBhIHdheSB0 byB0dXJuIGV2ZXJ5dGhpbmcgb2ZmLgoKVGhlIGluYWJpbGl0eSB0byB0dXJuIHRoZSBYZW4gZXh0 ZW5zaW9ucyBvZmYgZm9yIEhWTSBndWVzdHMgKGV2ZW4gaWYKb25seSBmb3IgZGVidWdnaW5nIHB1 cnBvc2VzKSBpcyBhIHNldmVyZWx5IHNob3J0IHNpZ2h0ZWQgZGVjaXNpb24uCgpJdCBpcyBhbHNv IGEgZmVhdHVyZSB3aGljaCBoYXMgYmVlbiByZXF1ZXN0ZWQgcmVwZWF0ZWRseSBieSB1c2VycyBp biB0aGUKcGFzdCwgYW5kIEkgYW0gdmVyeSBkZWxpYmVyYXRlbHkgYnVpbGRpbmcgYSB3YXkgdG8g ZG8gdGhpcyBpbnRvIHRoZQpDUFVJRCB3b3JrLgoKSG93ZXZlciwgaXQgaXMgYW4gdW5yZWFzb25h YmxlIHJlcXVlc3QgdG8gYnVuZGxlIGludG8gdGhpcyBidWdmaXgsIGhlbmNlCndoeSBJIGRpZG4n dCBzdWdnZXN0IGl0LgoKTm93IEkgdGhpbmsgYWJvdXQgaXQsIHRoaW5ncyBsaWtlIGF2YWlsYWJs ZSBBQklzIHJlYWxseSBzaG91bGQgYmUgaW4gdGhlClhlbiBoeXBlcnZpc29yIENQVUlEIGxlYXZl cywgYnV0IGFnYWluLCB0aGF0IHNoaXAgc2FpbGVkIGEgZGVjYWRlIGFnby4KCn5BbmRyZXcKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBt YWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=