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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 7F22CC4321E for ; Tue, 4 Sep 2018 06:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3871520869 for ; Tue, 4 Sep 2018 06:33:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3871520869 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727567AbeIDK4m (ORCPT ); Tue, 4 Sep 2018 06:56:42 -0400 Received: from mga04.intel.com ([192.55.52.120]:43172 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727482AbeIDK4m (ORCPT ); Tue, 4 Sep 2018 06:56:42 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Sep 2018 23:33:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,328,1531810800"; d="scan'208";a="68184990" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by fmsmga008.fm.intel.com with ESMTP; 03 Sep 2018 23:33:02 -0700 Received: from fmsmsx157.amr.corp.intel.com (10.18.116.73) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 3 Sep 2018 23:33:02 -0700 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by FMSMSX157.amr.corp.intel.com (10.18.116.73) with Microsoft SMTP Server (TLS) id 14.3.319.2; Mon, 3 Sep 2018 23:33:01 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.240]) by shsmsx102.ccr.corp.intel.com ([169.254.2.226]) with mapi id 14.03.0319.002; Tue, 4 Sep 2018 14:32:59 +0800 From: "Yang, Bin" To: "tglx@linutronix.de" CC: "mingo@kernel.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "Gross, Mark" , "x86@kernel.org" , "Hansen, Dave" Subject: Re: [PATCH v3 5/5] x86/mm: add WARN_ON_ONCE() for wrong large page mapping Thread-Topic: [PATCH v3 5/5] x86/mm: add WARN_ON_ONCE() for wrong large page mapping Thread-Index: AQHUOOymJE+K7YyITE+hh9OuBQRM4qTesq4AgACHUgA= Date: Tue, 4 Sep 2018 06:32:59 +0000 Message-ID: <2ad0ff43ea406005890ad4fcbb7a42da747289d9.camel@intel.com> References: <1534814186-37067-1-git-send-email-bin.yang@intel.com> <1534814186-37067-6-git-send-email-bin.yang@intel.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.4.101] Content-Type: text/plain; charset="utf-8" Content-ID: <4D2B5881F1038A4995C0EA2DC81149B9@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gVHVlLCAyMDE4LTA5LTA0IGF0IDAwOjI3ICswMjAwLCBUaG9tYXMgR2xlaXhuZXIgd3JvdGU6 DQo+IE9uIFR1ZSwgMjEgQXVnIDIwMTgsIEJpbiBZYW5nIHdyb3RlOg0KPiA+IEBAIC02MjUsNiAr NjI1LDcgQEAgdHJ5X3ByZXNlcnZlX2xhcmdlX3BhZ2UocHRlX3QgKmtwdGUsIHVuc2lnbmVkIGxv bmcgYWRkcmVzcywNCj4gPiAgDQo+ID4gIAlwc2l6ZSA9IHBhZ2VfbGV2ZWxfc2l6ZShsZXZlbCk7 DQo+ID4gIAlwbWFzayA9IHBhZ2VfbGV2ZWxfbWFzayhsZXZlbCk7DQo+ID4gKwlhZGRyID0gYWRk cmVzcyAmIHBtYXNrOw0KPiA+ICANCj4gPiAgCS8qDQo+ID4gIAkgKiBDYWxjdWxhdGUgdGhlIG51 bWJlciBvZiBwYWdlcywgd2hpY2ggZml0IGludG8gdGhpcyBsYXJnZQ0KPiA+IEBAIC02MzYsNiAr NjM3LDEyIEBAIHRyeV9wcmVzZXJ2ZV9sYXJnZV9wYWdlKHB0ZV90ICprcHRlLCB1bnNpZ25lZCBs b25nIGFkZHJlc3MsDQo+ID4gIAkJY3BhLT5udW1wYWdlcyA9IG51bXBhZ2VzOw0KPiA+ICANCj4g PiAgCS8qDQo+ID4gKwkgKiBUaGUgb2xkIHBncHJvdCBzaG91bGQgbm90IGhhdmUgYW55IHByb3Rl Y3Rpb24gYml0LiBPdGhlcndpc2UsDQo+ID4gKwkgKiB0aGUgZXhpc3RpbmcgbWFwcGluZyBpcyB3 cm9uZyBhbHJlYWR5Lg0KPiA+ICsJICovDQo+ID4gKwlXQVJOX09OX09OQ0UobmVlZHNfc3RhdGlj X3Byb3RlY3Rpb25zKG9sZF9wcm90LCBhZGRyLCBwc2l6ZSwgb2xkX3BmbikpOw0KPiANCj4gVGhl IGNoZWNrIGl0c2VsZiBpcyBmaW5lLCBidXQgaXQganVzdCBlbWl0cyBhIHdhcm5pbmcgYW5kIGdv ZXMgb24gYXMgaWYNCj4gbm90aGluZyBoYXBwZW5lZC4NCj4gDQo+IFdlIHJlYWxseSB3YW50IHRv IHRoaW5rIGFib3V0IGEgcHJvcGVyIHdheSB0byBmaXggdGhhdCB1cCB3aXRob3V0IG92ZXJoZWFk DQo+IGZvciB0aGUgc2FuZSBjYXNlLg0KDQpjb3VsZCB3ZSBjaGFuZ2UgaXQgYXMgYmVsb3c/IEkg dGhpbmsgaXQgc2hvdWxkIGJlIHNhZmUgdG8gc3BsaXQgbGFyZ2UNCnBhZ2UgaWYgY3VycmVudCBt YXBwaW5nIGlzIHdyb25nIGFscmVhZHkuDQoNCiAgICAgICAgaWYgKG5lZWRzX3N0YXRpY19wcm90 ZWN0aW9ucyhvbGRfcHJvdCwgYWRkciwgcHNpemUsIG9sZF9wZm4pKSB7DQogICAgICAgICAgICAg ICAgV0FSTl9PTl9PTkNFKDEpOw0KICAgICAgICAgICAgICAgIGdvdG8gb3V0X3VubG9jazsNCiAg ICAgICAgfQ0KDQoNCj4gDQo+IFRoYW5rcywNCj4gDQo+IAl0Z2x4DQo=