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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 24A21C3F2D6 for ; Fri, 6 Mar 2020 13:39:44 +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 0316620848 for ; Fri, 6 Mar 2020 13:39:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0316620848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.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 1jADCI-0004nN-Je; Fri, 06 Mar 2020 13:39:26 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jADCH-0004nH-4M for xen-devel@lists.xenproject.org; Fri, 06 Mar 2020 13:39:25 +0000 X-Inumbo-ID: e4021fc2-5faf-11ea-b52f-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e4021fc2-5faf-11ea-b52f-bc764e2007e4; Fri, 06 Mar 2020 13:39:24 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 5FEB9AC67; Fri, 6 Mar 2020 13:39:23 +0000 (UTC) To: "Durrant, Paul" References: <20200305124504.3564-1-pdurrant@amzn.com> <20200305124504.3564-4-pdurrant@amzn.com> <7d66a1b0-ca7b-500b-73c4-140ab32f0c4e@suse.com> From: Jan Beulich Message-ID: <008c1b23-e347-2306-4ca7-e9b84aeabec6@suse.com> Date: Fri, 6 Mar 2020 14:39:24 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-devel] [PATCH v3 3/6] x86 / pv: do not treat PGC_extra pages as RAM when constructing dom0 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: "xen-devel@lists.xenproject.org" , Andrew Cooper , Wei Liu , "pdurrant@amzn.com" , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMDYuMDMuMjAyMCAxMzowMywgRHVycmFudCwgUGF1bCB3cm90ZToKPj4gLS0tLS1PcmlnaW5h bCBNZXNzYWdlLS0tLS0KPj4gRnJvbTogWGVuLWRldmVsIDx4ZW4tZGV2ZWwtYm91bmNlc0BsaXN0 cy54ZW5wcm9qZWN0Lm9yZz4gT24gQmVoYWxmIE9mIEphbiBCZXVsaWNoCj4+IFNlbnQ6IDA2IE1h cmNoIDIwMjAgMTE6NTYKPj4gVG86IHBkdXJyYW50QGFtem4uY29tCj4+IENjOiB4ZW4tZGV2ZWxA bGlzdHMueGVucHJvamVjdC5vcmc7IER1cnJhbnQsIFBhdWwgPHBkdXJyYW50QGFtYXpvbi5jby51 az47IFJvZ2VyIFBhdSBNb25uw6kKPj4gPHJvZ2VyLnBhdUBjaXRyaXguY29tPjsgV2VpIExpdSA8 d2xAeGVuLm9yZz47IEFuZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Cj4+ IFN1YmplY3Q6IFJlOiBbWGVuLWRldmVsXSBbUEFUQ0ggdjMgMy82XSB4ODYgLyBwdjogZG8gbm90 IHRyZWF0IFBHQ19leHRyYSBwYWdlcyBhcyBSQU0gd2hlbgo+PiBjb25zdHJ1Y3RpbmcgZG9tMAo+ Pgo+PiBPbiAwNS4wMy4yMDIwIDEzOjQ1LCBwZHVycmFudEBhbXpuLmNvbSB3cm90ZToKPj4+IC0t LSBhL3hlbi9hcmNoL3g4Ni9wdi9kb20wX2J1aWxkLmMKPj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9w di9kb20wX2J1aWxkLmMKPj4+IEBAIC03OTIsNiArNzkyLDEwIEBAIGludCBfX2luaXQgZG9tMF9j b25zdHJ1Y3RfcHYoc3RydWN0IGRvbWFpbiAqZCwKPj4+ICAgICAgewo+Pj4gICAgICAgICAgbWZu ID0gbWZuX3gocGFnZV90b19tZm4ocGFnZSkpOwo+Pj4gICAgICAgICAgQlVHX09OKFNIQVJFRF9N MlAoZ2V0X2dwZm5fZnJvbV9tZm4obWZuKSkpOwo+Pj4gKwo+Pj4gKyAgICAgICAgaWYgKCBwYWdl LT5jb3VudF9pbmZvICYgUEdDX2V4dHJhICkKPj4+ICsgICAgICAgICAgICBjb250aW51ZTsKPj4K Pj4gVGhpcyBzdXJlbHkgaXMgYSBwYXR0ZXJuLCBpLmUuIHRoZXJlIGFyZSBtb3JlIHNpbWlsYXIg Y2hhbmdlcyB0bwo+PiBtYWtlOiB0Ym9vdF9nZW5fZG9tYWluX2ludGVncml0eSgpIGUuZy4gaWdu b3JlcyBkLT54ZW5wYWdlX2xpc3QsCj4+IGFuZCBoZW5jZSB3aXRoIHRoZSBnb2FsIG9mIGNvbnZl cnRpbmcgdGhlIHNoYXJlZCBpbmZvIHBhZ2Ugd291bGQKPj4gYWxzbyB3YW50IGFkanVzdG1lbnQu IEZvciBkdW1wX251bWEoKSBpdCBtYXkgYmUgbGVzcyBpbXBvcnRhbnQsCj4+IGJ1dCBpdCB3b3Vs ZCBzdGlsbCBsb29rIG1vcmUgY29ycmVjdCBpZiBpdCB0b28gZ290IGNoYW5nZWQuCj4+IGF1ZGl0 X3AybSgpIG1pZ2h0IGFwcGFyZW50bHkgY29tcGxhaW4gYWJvdXQgc3VjaCBwYWdlcyAoYW5kCj4+ IGhlbmNlIG1pZ2h0IGJlIGEgcHJvYmxlbSB3aXRoIHRoZSBvbmUgUEdDX2V4dHJhIHBhZ2UgVk1Y IGRvbWFpbnMKPj4gbm93IGhhdmUpLiBBbmQgdGhpcyBpcyBvbmx5IGZyb20gbWUgbG9va2luZyBh dAo+PiBwYWdlX2xpc3RfZm9yX2VhY2goLi4uLCAmZC0+cGFnZV9saXN0KSBjb25zdHJ1Y3RzOyB3 aG8ga25vd3MKPj4gd2hhdCBlbHNlIHRoZXJlIGlzLgo+Pgo+IAo+IFRob3NlIGFyZSBkZWFsdCB3 aXRoIGJ5IHRoZSBpc19zcGVjaWFsX3BhZ2UoKSBwYXRjaCBsYXRlciBvbiBJIHRoaW5rLgoKSGF2 aW5nIGFscmVhZHkgbG9va2VkIGF0IHRoYXQgcGF0Y2ggYXMgd2VsbCAtIEkgZG9uJ3QgdGhpbmsg c28sIG5vLgpUaGF0IG9uZSBvbmx5IHJlcGxhY2VzIHVzZXMgb2YgaXNfeGVuX2hlYXBfcGFnZSgp LCBidXQgZG9lc24ndCBhZGQKYW55IGNoZWNrcyB3aGVyZSBzdWNoIHVzZXMgc2ltcGx5IGFyZW4n dCBuZWVkZWQgYmVjYXVzZSBjb2RlIGlzCmxvb2tpbmcgYXQgLT5wYWdlX2xpc3Qgb25seS4KCkph bgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRl dmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==