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 4572FC3279B for ; Wed, 4 Jul 2018 10:15:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 053F423BFB for ; Wed, 4 Jul 2018 10:15:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 053F423BFB 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 S933495AbeGDKPu (ORCPT ); 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Wed, 4 Jul 2018 03:15:47 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.81]) by SHSMSX101.ccr.corp.intel.com ([169.254.1.57]) with mapi id 14.03.0319.002; Wed, 4 Jul 2018 18:15:46 +0800 From: "Yang, Bin" To: "tglx@linutronix.de" CC: "mingo@kernel.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "x86@kernel.org" Subject: Re: [PATCH] x86/mm: fix cpu stuck issue in __change_page_attr_set_clr Thread-Topic: [PATCH] x86/mm: fix cpu stuck issue in __change_page_attr_set_clr Thread-Index: AQHUDseZVh/k/cdi3Uy1ChlFZXY9E6R9B+GAgAEOxwCAABo1AIAAGosAgAABdYCAAA8QgA== Date: Wed, 4 Jul 2018 10:15:45 +0000 Message-ID: <34a76fad5c43c11ce8ceb491537b453d8053bdb2.camel@intel.com> References: <1530180340-18593-1-git-send-email-bin.yang@intel.com> <0131cecd5d0456c2a109f4b8bdbfe558389671dd.camel@intel.com> <3224aae1d09788aba687fd7bd9e088f233016fc8.camel@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: [10.239.4.80] Content-Type: text/plain; charset="utf-8" Content-ID: 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 ZTgyMCB0YWJsZToNCj09PT09PT09PT09PT09PT09DQoNClsgICAgMC4wMDAwMDBdIEJJT1MtZTgy MDogW21lbSAweDAwMDAwMDAwMDAwMDAwMDAtMHgwMDAwMDAwMDAwMDlmYmZmXQ0KdXNhYmxlDQpb ICAgIDAuMDAwMDAwXSBCSU9TLWU4MjA6IFttZW0gMHgwMDAwMDAwMDAwMDlmYzAwLTB4MDAwMDAw MDAwMDA5ZmZmZl0NCnJlc2VydmVkDQpbICAgIDAuMDAwMDAwXSBCSU9TLWU4MjA6IFttZW0gMHgw MDAwMDAwMDAwMGYwMDAwLTB4MDAwMDAwMDAwMDBmZmZmZl0NCnJlc2VydmVkDQpbICAgIDAuMDAw MDAwXSBCSU9TLWU4MjA6IFttZW0gMHgwMDAwMDAwMDAwMTAwMDAwLTB4MDAwMDAwMDBiZmZkZmZm Zl0NCnVzYWJsZQ0KWyAgICAwLjAwMDAwMF0gQklPUy1lODIwOiBbbWVtIDB4MDAwMDAwMDBiZmZl MDAwMC0weDAwMDAwMDAwYmZmZmZmZmZdDQpyZXNlcnZlZA0KWyAgICAwLjAwMDAwMF0gQklPUy1l ODIwOiBbbWVtIDB4MDAwMDAwMDBmZWZmYzAwMC0weDAwMDAwMDAwZmVmZmZmZmZdDQpyZXNlcnZl ZA0KWyAgICAwLjAwMDAwMF0gQklPUy1lODIwOiBbbWVtIDB4MDAwMDAwMDBmZmZjMDAwMC0weDAw MDAwMDAwZmZmZmZmZmZdDQpyZXNlcnZlZA0KWyAgICAwLjAwMDAwMF0gQklPUy1lODIwOiBbbWVt IDB4MDAwMDAwMDEwMDAwMDAwMC0weDAwMDAwMDAxM2ZmZmZmZmZdDQp1c2FibGUNCg0KY2FsbCBj aGFpbjoNCj09PT09PT09PT09PT09PT09PT09PT0NCg0KLi4uDQo9PiBmcmVlX2luaXRfcGFnZXMo d2hhdD0iaW5pdHJkIiBvciAidW51c2VkIGtlcm5lbCIsDQpiZWdpbj1mZmZmOWIyNmIuLi4uMDAw LCBlbmQ9ZmZmZjliMjZjLi4uLjAwMCk7IGJlZ2luIGFuZCBlbmQgYWRkcmVzc2VzDQphcmUgcmFu ZG9tLiBUaGUgYmVnaW4vZW5kIHZhbHVlIGFib3ZlIGlzIGp1c3QgZm9yIHJlZmVyZW5jZS4NCg0K PT4gc2V0X21lbW9yeV9ydygpDQo9PiBjaGFuZ2VfcGFnZV9hdHRyX3NldCgpDQo9PiBjaGFuZ2Vf cGFnZV9hdHRyX3NldF9jbHIoKQ0KPT4gX19jaGFuZ2VfcGFnZV9hdHRyX3NldF9jbHIoKTsgY3Bh LT5udW1wYWdlcyBpcyA1MTIgb24gbXkgYm9hcmQgaWYNCndoYXQ9PSJ1bnVzZWQga2VybmVsIg0K PT4gX19jaGFuZ2VfcGFnZV9hdHRyKCkNCj0+IHRyeV9wcmVzZXJ2ZV9sYXJnZV9wYWdlKCk7IGFk ZHJlc3M9ZmZmZjliMjZiZmFjZjAwMCwgcGZuPTgwMDAwLA0KbGV2ZWw9MzsgYW5kIHRoZSBjaGVj ayBsb29wIGNvdW50IGlzIDI2MjE0NCwgZXhpdCBsb29wIGFmdGVyIDg2MSB1c2Vjcw0Kb24gbXkg Ym9hcmQNCg0KDQp0aGUgYWN0dWFsIHByb2JsZW0NCj09PT09PT09PT09PT09PT09PT0NCnNvbWV0 aW1lcywgZnJlZV9pbml0X3BhZ2VzIHJldHVybnMgYWZ0ZXIgaHVuZHJlZHMgb2Ygc2Vjb3VuZHMu IFRoZQ0KbWFqb3IgaW1wYWN0IGlzIGtlcm5lbCBib290IHRpbWUuDQoNCg0KT24gV2VkLCAyMDE4 LTA3LTA0IGF0IDExOjIwICswMjAwLCBUaG9tYXMgR2xlaXhuZXIgd3JvdGU6DQo+IE9uIFdlZCwg NCBKdWwgMjAxOCwgWWFuZywgQmluIHdyb3RlOg0KPiANCj4gPiBZb3UgYXJlIGNvbXBsZXRlbHkg cmlnaHQuIEFmdGVyIGNvbnNpZGVyaW5nLCBJIHRoaW5rIG15IHBhdGNoIGlzDQo+ID4gbGlrZSBh DQo+ID4gd29ya2Fyb3VuZCBidXQgbm90IHJlYWwgZml4LiBJIGFtIHRyeWluZyB0byByZS13cml0 ZSBhIG5ldyBwYXRjaA0KPiA+IHdpdGhvdXQgY2FjaGUgaW1wbGVtZW50YXRpb24uDQo+IA0KPiBD YXJlIHRvIGV4cGxhaW4gdGhlIGFjdHVhbCBwcm9ibGVtIGNvaGVyZW50bHkgX2JlZm9yZV8gd3Jp dGluZyB5ZXQNCj4gYW5vdGhlcg0KPiBwYXRjaD8NCj4gDQo+IFRoYW5rcywNCj4gDQo+IAl0Z2x4