Received: by 2002:ac0:946b:0:0:0:0:0 with SMTP id j40csp4006455imj; Tue, 19 Feb 2019 13:29:36 -0800 (PST) X-Google-Smtp-Source: AHgI3IYEaB7xSTlsvgNe73/kvJpwANnOBMQbpZqoJc78orMzB1CLg5c8c40v3NfOs8xhljoEzinB X-Received: by 2002:a17:902:8bc6:: with SMTP id r6mr2647294plo.235.1550611776672; Tue, 19 Feb 2019 13:29:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550611776; cv=none; d=google.com; s=arc-20160816; b=rPOSMlHt/evRdjRoeGI5AsuvJGLyhxBdJDS3iBWZbRAAa2wT5QeXuXSUPu8+buP14G 3y6nM9L0l13DJofWW4k7+oupnYUwR+ERWIx6pzDQE7pGBLp/GoMEidefGpRK7BkMOo0b WYB8Qo1CZBClB+QjBZ90mFnbByTGPl63WuZUGvP44VrZX0g6M3ZIHJIjC/KVSXhoiJCA nDfnwiQNN0aGYMTWIr9H8KnMg0/jtBQfrPugWgrThe7UQCeGUkErYy9eVQD4NmWF9VW5 sXxZF1mNA1ogKAX29DDvuj5BfjRosRsv3M6AfoIcfAZx/7gap3IL77bQVrdIgzBw8dam z4cA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from; bh=h3DN7rTQwSJfE0WI6OTDL21MwaqgNZsJo64dcNsIU8Y=; b=qyq0V+Zt4P0JGJp3mLLTDKlXNrzMUWdhAFVy6mgqsdtvUAMkIZvFrPViWmnhHYzTaC 2YwMUThG47RWXOzqTG2TEZGu21COWPuOLEtTjGRDMisweyjbMx+/cI617/iBlH1gU81a BgTrTTV6WcrK2PywuJDaWrNz09kUx7KiSc9KmMG/Lo9HRYwkz0fgB/+j/A5FbqDgL7xc O/T+L9fZdfxkA6iaiPg5Moi5Rj+kUZ5GxYBNI81VsC1rtz5/Dd3NcKtqZ0VDhBR/eXY8 1kIH+eJgoNsR6HMWLIt+cJkqZkuB7GOtjkU+CgWd8Z9jIBx2OZlNL68tMZMJohxAZddw BK2A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h11si14467995plb.38.2019.02.19.13.29.21; Tue, 19 Feb 2019 13:29:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727916AbfBSV27 (ORCPT + 99 others); Tue, 19 Feb 2019 16:28:59 -0500 Received: from mga02.intel.com ([134.134.136.20]:61634 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725829AbfBSV27 (ORCPT ); Tue, 19 Feb 2019 16:28:59 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Feb 2019 13:28:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,388,1544515200"; d="scan'208";a="321696263" Received: from orsmsx108.amr.corp.intel.com ([10.22.240.6]) by fmsmga005.fm.intel.com with ESMTP; 19 Feb 2019 13:28:57 -0800 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.70]) by ORSMSX108.amr.corp.intel.com ([169.254.2.157]) with mapi id 14.03.0415.000; Tue, 19 Feb 2019 13:28:56 -0800 From: "Edgecombe, Rick P" To: "bp@alien8.de" CC: "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "linux-integrity@vger.kernel.org" , "ard.biesheuvel@linaro.org" , "tglx@linutronix.de" , "linux-mm@kvack.org" , "dave.hansen@linux.intel.com" , "nadav.amit@gmail.com" , "Dock, Deneen T" , "pavel@ucw.cz" , "linux-security-module@vger.kernel.org" , "x86@kernel.org" , "akpm@linux-foundation.org" , "hpa@zytor.com" , "kristen@linux.intel.com" , "mingo@redhat.com" , "linux_dti@icloud.com" , "luto@kernel.org" , "will.deacon@arm.com" , "kernel-hardening@lists.openwall.com" , "rjw@rjwysocki.net" Subject: Re: [PATCH v2 14/20] mm: Make hibernate handle unmapped pages Thread-Topic: [PATCH v2 14/20] mm: Make hibernate handle unmapped pages Thread-Index: AQHUt2sViQgi+Bs0HkOgKSmVUNQOKqXnnOgAgACunoA= Date: Tue, 19 Feb 2019 21:28:55 +0000 Message-ID: <07ea2a4a9f1771f7bad82ad8fe5ee9483b79d115.camel@intel.com> References: <20190129003422.9328-1-rick.p.edgecombe@intel.com> <20190129003422.9328-15-rick.p.edgecombe@intel.com> <20190219110400.GA19514@zn.tnic> In-Reply-To: <20190219110400.GA19514@zn.tnic> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.54.75.11] 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 T24gVHVlLCAyMDE5LTAyLTE5IGF0IDEyOjA0ICswMTAwLCBCb3Jpc2xhdiBQZXRrb3Ygd3JvdGU6 DQo+IE9uIE1vbiwgSmFuIDI4LCAyMDE5IGF0IDA0OjM0OjE2UE0gLTA4MDAsIFJpY2sgRWRnZWNv bWJlIHdyb3RlOg0KPiA+IEZvciBhcmNoaXRlY3R1cmVzIHdpdGggQ09ORklHX0FSQ0hfSEFTX1NF VF9BTElBUywgcGFnZXMgY2FuIGJlIHVubWFwcGVkDQo+ID4gYnJpZWZseSBvbiB0aGUgZGlyZWN0 bWFwLCBldmVuIHdoZW4gQ09ORklHX0RFQlVHX1BBR0VBTExPQyBpcyBub3QNCj4gPiBjb25maWd1 cmVkLiBTbyB0aGlzIGNoYW5nZXMga2VybmVsX21hcF9wYWdlcyBhbmQga2VybmVsX3BhZ2VfcHJl c2VudCB0byBiZQ0KPiANCj4gcy90aGlzIGNoYW5nZXMvY2hhbmdlLw0KPiANCj4gRnJvbSBEb2N1 bWVudGF0aW9uL3Byb2Nlc3Mvc3VibWl0dGluZy1wYXRjaGVzLnJzdDoNCj4gDQo+ICAiRGVzY3Jp YmUgeW91ciBjaGFuZ2VzIGluIGltcGVyYXRpdmUgbW9vZCwgZS5nLiAibWFrZSB4eXp6eSBkbyBm cm90eiINCj4gICBpbnN0ZWFkIG9mICJbVGhpcyBwYXRjaF0gbWFrZXMgeHl6enkgZG8gZnJvdHoi IG9yICJbSV0gY2hhbmdlZCB4eXp6eQ0KPiAgIHRvIGRvIGZyb3R6IiwgYXMgaWYgeW91IGFyZSBn aXZpbmcgb3JkZXJzIHRvIHRoZSBjb2RlYmFzZSB0byBjaGFuZ2UNCj4gICBpdHMgYmVoYXZpb3Vy LiINCj4gDQo+IEFsc28sIHBsZWFzZSBlbmQgZnVuY3Rpb24gbmFtZXMgd2l0aCBwYXJlbnRoZXNl cy4NClllcywgZ290Y2hhLg0KDQo+ID4gZGVmaW5lZCB3aGVuIENPTkZJR19BUkNIX0hBU19TRVRf QUxJQVMgaXMgZGVmaW5lZCBhcyB3ZWxsLiBJdCBhbHNvIGNoYW5nZXMNCj4gPiBwbGFjZXMgKHBh Z2VfYWxsb2MuYykgd2hlcmUgdGhvc2UgZnVuY3Rpb25zIGFyZSBhc3N1bWVkIHRvIG9ubHkgYmUN Cj4gPiBpbXBsZW1lbnRlZCB3aGVuIENPTkZJR19ERUJVR19QQUdFQUxMT0MgaXMgZGVmaW5lZC4N Cj4gDQo+IFRoZSBjb21taXQgbWVzc2FnZSBkb2Vzbid0IG5lZWQgdG8gc2F5ICJ3aGF0IiB5b3Un cmUgZG9pbmcgLSB0aGF0IHNob3VsZA0KPiBiZSBvYnZpb3VzIGZyb20gdGhlIGRpZmYgYmVsb3cu IEl0IHNob3VsZCByYXRoZXIgc2F5ICJ3aHkiIHlvdSdyZSBkb2luZw0KPiBpdC4NCk9rLCBzb3Jy eS4gSSdsbCBjaGFuZ2UgdGhpcyB0byBiZSBtb3JlIGNvbmNpc2UuDQoNCj4gPiBTbyBub3cgd2hl biBDT05GSUdfQVJDSF9IQVNfU0VUX0FMSUFTPXksIGhpYmVybmF0ZSB3aWxsIGhhbmRsZSBub3Qg cHJlc2VudA0KPiA+IHBhZ2Ugd2hlbiBzYXZpbmcuIFByZXZpb3VzbHkgdGhpcyB3YXMgYWxyZWFk eSBkb25lIHdoZW4NCj4gDQo+IHBhZ2VzDQo+IA0KPiA+IENPTkZJR19ERUJVR19QQUdFQUxMT0Mg d2FzIGNvbmZpZ3VyZWQuIEl0IGRvZXMgbm90IGFwcGVhciB0byBoYXZlIGEgYmlnDQo+ID4gaGli ZXJuYXRpbmcgcGVyZm9ybWFuY2UgaW1wYWN0Lg0KPiANCj4gQ29tbWVudCBvdmVyIHNhZmVfY29w eV9wYWdlDQpPaCwgeWVzIHlvdSBhcmUgcmlnaHQuDQoNCj4gPiBCZWZvcmU6DQo+ID4gWyAgICA0 LjY3MDkzOF0gUE06IFdyb3RlIDE3MTk5NiBrYnl0ZXMgaW4gMC4yMSBzZWNvbmRzICg4MTkuMDIg TUIvcykNCj4gPiANCj4gPiBBZnRlcjoNCj4gPiBbICAgIDQuNTA0NzE0XSBQTTogV3JvdGUgMTc4 OTMyIGtieXRlcyBpbiAwLjIyIHNlY29uZHMgKDgxMy4zMiBNQi9zKQ0KPiANCj4gSUlOTSwgdGhh dCdzIGxpa2UgMTczNCBwYWdlcyBtb3JlLiBIb3cgYW0gSSB0byB1bmRlcnN0YW5kIHRoaXMgbnVt YmVyPw0KPiANCj4gQ29kZSBoYXMgY2FsbGVkIHNldF9hbGlhc19udl9ub2ZsdXNoKCkgb24gdGhl bSBhbmQgc2FmZV9jb3B5X3BhZ2UoKSBub3cNCj4gbWFwcyB0aGVtIG9uZSBieSBvbmUgdG8gY29w eSB0aGVtIHRvIHRoZSBoaWJlcm5hdGlvbiBpbWFnZT8NCj4gDQo+IFRoeC4NCj4gDQpUaGVzZSBh cmUgZnJvbSBsb2dzIGhpYmVybmF0ZSBnZW5lcmF0ZXMuIFRoZSBjb25jZXJuIHdhcyB0aGF0IGhp YmVybmF0ZSBjb3VsZCBiZQ0Kc2xpZ2h0bHkgc2xvd2VyIGJlY2F1c2Ugb2YgdGhlIGNoZWNraW5n IG9mIHdoZXRoZXIgdGhlIHBhZ2VzIGFyZSBtYXBwZWQuIFRoZQ0KYmFuZHdpZHRoIG51bWJlciBj YW4gYmUgdXNlZCB0byBjb21wYXJlLCA4MTkuMDItPjgxMy4zMiBNQi9zLiBTb21lIHJhbmRvbW5l c3MNCm11c3QgaGF2ZSByZXN1bHRlZCBpbiBkaWZmZXJlbnQgYW1vdW50cyBvZiBtZW1vcnkgdXNl ZCBiZXR3ZWVuIHRlc3RzLiBJIGNhbiBqdXN0DQpyZW1vdmUgdGhlIGxvZyBsaW5lcyBhbmQgaW5j bHVkZSB0aGUgYmFuZHdpZHRoIG51bWJlcnMuDQoNClRoYW5rcywNCg0KUmljaw0K