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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 97D69C31E40 for ; Mon, 10 Jun 2019 16:44:02 +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 740D4206C3 for ; Mon, 10 Jun 2019 16:44:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 740D4206C3 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 1haNOb-00028l-Fs; Mon, 10 Jun 2019 16:43:45 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1haNOZ-00028g-SN for xen-devel@lists.xenproject.org; Mon, 10 Jun 2019 16:43:43 +0000 X-Inumbo-ID: e79d8e68-8b9e-11e9-8980-bc764e045a96 Received: from esa1.hc3370-68.iphmx.com (unknown [216.71.145.142]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id e79d8e68-8b9e-11e9-8980-bc764e045a96; Mon, 10 Jun 2019 16:43:42 +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: VJBJKFYSyVOLDTsfNpthwZGN2HbRgFqLBpV9qD3LeXbXUs2VP2Sozra7f4HPrrHHjZ9dFn98vr cPcB8C5q6VpBe8bm6eYfI1b1V0o4PDcPWsqE8rbdWFLmZ/K8oRxrmUcTjwpVhJ6qXt4ue/j0pM nFWnsFb7ZtPLKQi9rsYwjzsDu6sj04UM/geKWxNbZvtXZsEidPy68fA+PFZEUeRUai7zeTmvfu dW5KMBhqEK62hhu1BxG5vmBI1Hhz/QjTgawqHFa2iHa4kPUbLWRYl5xudpmuVS7wrW1SzvPQU+ BWc= X-SBRS: 2.7 X-MesageID: 1547532 X-Ironport-Server: esa1.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.63,575,1557201600"; d="scan'208";a="1547532" To: Jan Beulich , xen-devel References: <5CE68CD30200007800231B01@prv1-mh.provo.novell.com> <5CE68FA70200007800231B3E@prv1-mh.provo.novell.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: <057b0642-c56f-2a0f-98d4-ff2c9184a4d2@citrix.com> Date: Mon, 10 Jun 2019 17:43:37 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <5CE68FA70200007800231B3E@prv1-mh.provo.novell.com> 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 4/5] x86: allow limiting the max C-state sub-state 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: Wei Liu , Roger Pau Monne Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjMvMDUvMjAxOSAxMzoxOCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4gRnJvbTogUm9zcyBMYWdl cndhbGwgPHJvc3MubGFnZXJ3YWxsQGNpdHJpeC5jb20+Cj4KPiBBbGxvdyBsaW1pdGluZyB0aGUg bWF4IEMtc3RhdGUgc3ViLXN0YXRlIGJ5IGFwcGVuZGluZyB0byB0aGUgbWF4X2NzdGF0ZQo+IGNv bW1hbmQtbGluZSBwYXJhbWV0ZXIuIEUuZy4gbWF4X2NzdGF0ZT0xLDAKPiBUaGUgbGltaXQgb25s eSBhcHBsaWVzIHRvIHRoZSBoaWdoZXN0IGxlZ2FsIEMtc3RhdGUuIEZvciBleGFtcGxlOgo+ICBt YXhfY3N0YXRlID0gMSwgbWF4X2NzdWJzdGF0ZSA9IDAgPT0+IEMwLCBDMSBva2F5LCBidXQgbm90 IEMxRQo+ICBtYXhfY3N0YXRlID0gMSwgbWF4X2NzdWJzdGF0ZSA9IDEgPT0+IEMwLCBDMSBhbmQg QzFFIG9rYXksIGJ1dCBub3QgQzIKPiAgbWF4X2NzdGF0ZSA9IDIsIG1heF9jc3Vic3RhdGUgPSAw ID09PiBDMCwgQzEsIEMxRSwgQzIgb2theSwgYnV0IG5vdCBDMwo+ICBtYXhfY3N0YXRlID0gMiwg bWF4X2NzdWJzdGF0ZSA9IDEgPT0+IEMwLCBDMSwgQzFFLCBDMiBva2F5LCBidXQgbm90IEMzCj4K PiBTaWduZWQtb2ZmLWJ5OiBSb3NzIExhZ2Vyd2FsbCA8cm9zcy5sYWdlcndhbGxAY2l0cml4LmNv bT4KPiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+CgpJcyB0 aGlzIG9ubHkgdXNlZnVsIGluIHByYWN0aWNlIGZvciBsaW1pdGluZyBDMUUgPwoKPgo+IC0tLSBh L2RvY3MvbWlzYy94ZW4tY29tbWFuZC1saW5lLnBhbmRvYwo+ICsrKyBiL2RvY3MvbWlzYy94ZW4t Y29tbWFuZC1saW5lLnBhbmRvYwo+IEBAIC0xMzY5LDkgKzEzNjksMTEgQEAgU3BlY2lmeSB0aGUg bWF4aW11bSBudW1iZXIgb2YgQ1BVcyB0aGF0Cj4gIFRoaXMgb3B0aW9uIGlzIGlnbm9yZWQgaW4g Kipwdi1zaGltKiogbW9kZS4KPiAgCj4gICMjIyBtYXhfY3N0YXRlICh4ODYpCj4gLT4gYD0gPGlu dGVnZXI+YAo+ICs+IGA9IDxpbnRlZ2VyPlssPGludGVnZXI+XWAKPiAgCj4gLVNwZWNpZnkgdGhl IGRlZXBlc3QgQy1zdGF0ZSBDUFVzIGFyZSBwZXJtaXR0ZWQgdG8gYmUgcGxhY2VkIGluLgo+ICtT cGVjaWZ5IHRoZSBkZWVwZXN0IEMtc3RhdGUgQ1BVcyBhcmUgcGVybWl0dGVkIHRvIGJlIHBsYWNl ZCBpbiwgYW5kCj4gK29wdGlvbmFsbHkgdGhlIG1heGltdW0gc3ViIEMtc3RhdGUgdG8gYmUgdXNl ZCB1c2VkLiAgVGhlIGxhdHRlciBvbmx5IGFwcGxpZXMKPiArdG8gdGhlIGhpZ2hlc3QgcGVybWl0 dGVkIEMtc3RhdGUuCj4gIAo+ICAjIyMgbWF4X2dzaV9pcnFzICh4ODYpCj4gID4gYD0gPGludGVn ZXI+YAo+IC0tLSBhL3hlbi9hcmNoL3g4Ni9hY3BpL2NwdV9pZGxlLmMKPiArKysgYi94ZW4vYXJj aC94ODYvYWNwaS9jcHVfaWRsZS5jCj4gQEAgLTEwNCw3ICsxMDQsMTcgQEAgYm9vbCBsYXBpY190 aW1lcl9pbml0KHZvaWQpCj4gIAo+ICB2b2lkICgqX19yZWFkX21vc3RseSBwbV9pZGxlX3NhdmUp KHZvaWQpOwo+ICB1bnNpZ25lZCBpbnQgbWF4X2NzdGF0ZSBfX3JlYWRfbW9zdGx5ID0gVUlOVF9N QVg7Cj4gLWludGVnZXJfcGFyYW0oIm1heF9jc3RhdGUiLCBtYXhfY3N0YXRlKTsKPiArdW5zaWdu ZWQgaW50IG1heF9jc3Vic3RhdGUgX19yZWFkX21vc3RseSA9IFVJTlRfTUFYOwo+ICsKPiArc3Rh dGljIGludCBfX2luaXQgcGFyc2VfY3N0YXRlKGNvbnN0IGNoYXIgKnMpCj4gK3sKPiArICAgIG1h eF9jc3RhdGUgPSBzaW1wbGVfc3RydG91bChzLCAmcywgMCk7Cj4gKyAgICBpZiAoICpzID09ICcs JyApCj4gKyAgICAgICAgbWF4X2NzdWJzdGF0ZSA9IHNpbXBsZV9zdHJ0b3VsKHMgKyAxLCAmcywg MCk7CgpZb3UgY2FuIHBhc3MgTlVMTCBmb3IgZW5kcCwgc2VlaW5nIGFzIGl0IGlzbid0IHVzZWQu Cgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs