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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 38105C4CEC6 for ; Thu, 12 Sep 2019 15:46:56 +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 12A2320678 for ; Thu, 12 Sep 2019 15:46:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 12A2320678 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 1i8RIx-000337-6y; Thu, 12 Sep 2019 15:46:43 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1i8RIw-000332-Ci for xen-devel@lists.xenproject.org; Thu, 12 Sep 2019 15:46:42 +0000 X-Inumbo-ID: 834e4e14-d574-11e9-b76c-bc764e2007e4 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 834e4e14-d574-11e9-b76c-bc764e2007e4; Thu, 12 Sep 2019 15:46:41 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 42F39AE86; Thu, 12 Sep 2019 15:46:40 +0000 (UTC) To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , AndrewCooper References: <20190912153147.nhxdrifqney752lc@Air-de-Roger> From: Jan Beulich Message-ID: <0c5ba0af-60bb-557b-9574-2dd6b95cef31@suse.com> Date: Thu, 12 Sep 2019 17:46:40 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20190912153147.nhxdrifqney752lc@Air-de-Roger> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH 9/9] x86: PCID is unused when !PV 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: George Dunlap , "xen-devel@lists.xenproject.org" , Wei Liu Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTIuMDkuMjAxOSAxNzozMSwgUm9nZXIgUGF1IE1vbm7DqSAgd3JvdGU6Cj4gT24gV2VkLCBT ZXAgMTEsIDIwMTkgYXQgMDU6MjY6NDZQTSArMDIwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+IFRo aXMgYWxsb3dzIGluIHBhcnRpY3VsYXIgc29tZSBzdHJlYW1saW5pbmcgb2YgdGhlIFRMQiBmbHVz aGluZyBjb2RlCj4+IHBhdGhzLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8amJl dWxpY2hAc3VzZS5jb20+Cj4+Cj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9mbHVzaHRsYi5jCj4+ICsr KyBiL3hlbi9hcmNoL3g4Ni9mbHVzaHRsYi5jCj4+IEBAIC0yNCw2ICsyNCwxMSBAQAo+PiAgI2Rl ZmluZSBXUkFQX01BU0sgKDB4MDAwMDAzRkZVKQo+PiAgI2VuZGlmCj4+ICAKPj4gKyNpZm5kZWYg Q09ORklHX1BWCj4+ICsjIHVuZGVmIFg4Nl9DUjRfUENJREUKPj4gKyMgZGVmaW5lIFg4Nl9DUjRf UENJREUgMAo+PiArI2VuZGlmCj4gCj4gSSBoYXZlIHRvIGFkbWl0IEkgZmluZCBpdCBxdWl0ZSB1 Z2x5IHRvIGhhdmUgdG8gbWFzayBQQ0lEIGluIHN1Y2ggYQo+IHdheS4gUGxheWluZyB3aXRoIHRo ZSBoYXJkd2FyZSBhcmNoaXRlY3R1cmUgZGVmaW5lcyBzZWVtcyBsaWtlIGFza2luZwo+IGZvciB0 cm91YmxlLiBJIHdvdWxkIGxpa2VseSBwcmVmZXIgdG8gc3ByaW5rbGUgSVNfRU5BQkxFRChDT05G SUdfUFYpLAo+IHdoaWNoIHNob3VsZCBhY2hpZXZlIHRoZSBzYW1lIGNvbXBpbGUgdGltZSBzaG9y dCBjaXJjdWl0aW5nLgoKV2VsbCwgeWVzLCB0aGlzIGlzbid0IGVudGlyZWx5IHdpdGhvdXQgcmlz ay4gQnV0ICNpZmRlZi1hcnkKaXNuJ3QgZWl0aGVyLiBBbmQgdGhlIGFib3ZlIGZpdHMgdGhlIHRp dGxlIG9mIHRoaXMgcGF0Y2gKcHJldHR5IHdlbGwuCgpBbmRyZXcgKGluIHBhcnRpY3VsYXIpIC0g ZG8geW91IGhhdmUgYW55IHN0cm9uZyBwcmVmZXJlbmNlIGhlcmU/Cgo+PiAtLS0gYS94ZW4vaW5j bHVkZS9hc20teDg2L3Byb2Nlc3Nvci5oCj4+ICsrKyBiL3hlbi9pbmNsdWRlL2FzbS14ODYvcHJv Y2Vzc29yLmgKPj4gQEAgLTI4OSw3ICsyODksMTEgQEAgc3RhdGljIGlubGluZSB1bnNpZ25lZCBs b25nIGNyM19wYSh1bnNpZwo+PiAgCj4+ICBzdGF0aWMgaW5saW5lIHVuc2lnbmVkIGludCBjcjNf cGNpZCh1bnNpZ25lZCBsb25nIGNyMykKPj4gIHsKPj4gKyNpZmRlZiBDT05GSUdfUFYKPj4gICAg ICByZXR1cm4gY3IzICYgWDg2X0NSM19QQ0lEX01BU0s7Cj4+ICsjZWxzZQo+PiArICAgIHJldHVy biAwOwo+PiArI2VuZGlmCj4gCj4gV29uJ3Q6Cj4gCj4gcmV0dXJuIElTX0VOQUJMRUQoQ09ORklH X1BWKSA/IGNyMyAmIFg4Nl9DUjNfUENJRF9NQVNLIDogMDsKPiAKPiBBY2hpZXZlIHRoZSBzYW1l PwoKWWVzLiBJIGNhbiBjZXJ0YWlubHkgc3dpdGNoIHRvIHRoYXQuCgo+PiBAQCAtMzAxLDggKzMw NSwxMiBAQCBzdGF0aWMgaW5saW5lIHZvaWQgd3JpdGVfY3I0KHVuc2lnbmVkIGxvCj4+ICB7Cj4+ ICAgICAgc3RydWN0IGNwdV9pbmZvICppbmZvID0gZ2V0X2NwdV9pbmZvKCk7Cj4+ICAKPj4gKyNp ZmRlZiBDT05GSUdfUFYKPj4gICAgICAvKiBObyBnbG9iYWwgcGFnZXMgaW4gY2FzZSBvZiBQQ0lE cyBlbmFibGVkISAqLwo+PiAgICAgIEFTU0VSVCghKHZhbCAmIFg4Nl9DUjRfUEdFKSB8fCAhKHZh bCAmIFg4Nl9DUjRfUENJREUpKTsKPj4gKyNlbHNlCj4+ICsgICAgQVNTRVJUKCEodmFsICYgWDg2 X0NSNF9QQ0lERSkpOwo+IAo+IFRoYXQgYXNzZXJ0IHNlZW1zIHF1aXRlIHBvaW50bGVzcywgeW91 IGhhdmUgc2V0IFg4Nl9DUjRfUENJREUgdG8gMCwgc28KPiB0aGlzIGlzIG5ldmVyIGdvaW5nIHRv IHRyaWdnZXI/CgpHb29kIHBvaW50LCB0aGlzIGlzIGEgbGVmdG92ZXIgZnJvbSB3aGVuIEkgc3Rh cnRlZCB3aXRoIHRoZQojaWZkZWYtYXJ5IGFwcHJvYWNoLCBiZWZvcmUgaXQgYmVjYW1lIHRvbyBt YW55IG9mIHRoZW0gZm9yCm15IHRhc3RlLgoKSmFuCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4v bGlzdGluZm8veGVuLWRldmVs