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17 Jan 2019 15:48:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,489,1539673200"; d="scan'208";a="136723758" Received: from orsmsx106.amr.corp.intel.com ([10.22.225.133]) by fmsmga004.fm.intel.com with ESMTP; 17 Jan 2019 15:48:32 -0800 Received: from orsmsx111.amr.corp.intel.com (10.22.240.12) by ORSMSX106.amr.corp.intel.com (10.22.225.133) with Microsoft SMTP Server (TLS) id 14.3.408.0; Thu, 17 Jan 2019 15:48:32 -0800 Received: from orsmsx112.amr.corp.intel.com ([169.254.3.62]) by ORSMSX111.amr.corp.intel.com ([169.254.12.145]) with mapi id 14.03.0415.000; Thu, 17 Jan 2019 15:48:31 -0800 From: "Edgecombe, Rick P" To: "pavel@ucw.cz" CC: "linux-kernel@vger.kernel.org" , "peterz@infradead.org" , "ard.biesheuvel@linaro.org" , "Dock, Deneen T" , "linux-integrity@vger.kernel.org" , "tglx@linutronix.de" , "linux-mm@kvack.org" , "nadav.amit@gmail.com" , "dave.hansen@linux.intel.com" , "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" , "bp@alien8.de" , "kernel-hardening@lists.openwall.com" , "rjw@rjwysocki.net" Subject: Re: [PATCH 14/17] mm: Make hibernate handle unmapped pages Thread-Topic: [PATCH 14/17] mm: Make hibernate handle unmapped pages Thread-Index: AQHUrfxTlKrIPpA6H0a8MvhHJCQ6Z6Wzu1IAgADTb4CAABejgIAAAf0A Date: Thu, 17 Jan 2019 23:48:30 +0000 Message-ID: <3c12f9b3328ee32d04a6ed3990fdf0cd3cb27532.camel@intel.com> References: <20190117003259.23141-1-rick.p.edgecombe@intel.com> <20190117003259.23141-15-rick.p.edgecombe@intel.com> <20190117093950.GA17930@amd> <20190117234111.GA27661@amd> In-Reply-To: <20190117234111.GA27661@amd> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.54.75.79] Content-Type: text/plain; charset="utf-8" Content-ID: <303A1B4A3E7D644A826569E054F1E051@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 T24gRnJpLCAyMDE5LTAxLTE4IGF0IDAwOjQxICswMTAwLCBQYXZlbCBNYWNoZWsgd3JvdGU6DQo+ IEhpIQ0KPiANCj4gPiA+ID4gRm9yIGFyY2hpdGVjdHVyZXMgd2l0aCBDT05GSUdfQVJDSF9IQVNf U0VUX0FMSUFTLCBwYWdlcyBjYW4gYmUgdW5tYXBwZWQNCj4gPiA+ID4gYnJpZWZseSBvbiB0aGUg ZGlyZWN0bWFwLCBldmVuIHdoZW4gQ09ORklHX0RFQlVHX1BBR0VBTExPQyBpcyBub3QNCj4gPiA+ ID4gY29uZmlndXJlZC4NCj4gPiA+ID4gU28gdGhpcyBjaGFuZ2VzIGtlcm5lbF9tYXBfcGFnZXMg YW5kIGtlcm5lbF9wYWdlX3ByZXNlbnQgdG8gYmUgZGVmaW5lZA0KPiA+ID4gPiB3aGVuDQo+ID4g PiA+IENPTkZJR19BUkNIX0hBU19TRVRfQUxJQVMgaXMgZGVmaW5lZCBhcyB3ZWxsLiBJdCBhbHNv IGNoYW5nZXMgcGxhY2VzDQo+ID4gPiA+IChwYWdlX2FsbG9jLmMpIHdoZXJlIHRob3NlIGZ1bmN0 aW9ucyBhcmUgYXNzdW1lZCB0byBvbmx5IGJlIGltcGxlbWVudGVkDQo+ID4gPiA+IHdoZW4NCj4g PiA+ID4gQ09ORklHX0RFQlVHX1BBR0VBTExPQyBpcyBkZWZpbmVkLg0KPiA+ID4gDQo+ID4gPiBX aGljaCBhcmNoaXRlY3R1cmVzIGFyZSB0aGF0Pw0KPiA+ID4gDQo+ID4gPiBTaG91bGQgdGhpcyBi ZSBtZXJnZWQgdG8gdGhlIHBhdGNoIHdoZXJlIEhBU19TRVRfQUxJQVMgaXMgaW50cm9kdWNlZD8g V2UNCj4gPiA+IGRvbid0IHdhbnQgYnJva2VuIGhpYmVybmF0aW9uIGluIGJldHdlZW4uLi4uDQo+ ID4gDQo+ID4gVGhhbmtzIGZvciB0YWtpbmcgYSBsb29rLiBJdCB3YXMgYWRkZWQgZm9yIHg4NiBm b3IgcGF0Y2ggMTMgaW4gdGhpcyBwYXRjaHNldA0KPiA+IGFuZA0KPiA+IHRoZXJlIHdhcyBpbnRl cmVzdCBleHByZXNzZWQgZm9yIGFkZGluZyBmb3IgYXJtNjQuIElmIHlvdSBkaWRuJ3QgZ2V0IHRo ZQ0KPiA+IHdob2xlDQo+ID4gc2V0IGFuZCB3YW50IHRvIHNlZSBsZXQgbWUga25vdyBhbmQgSSBj YW4gc2VuZCBpdC4NCj4gDQo+IEkgZ29vZ2xlZCBpbiBpbiB0aGUgbWVhbnRpbWUuDQo+IA0KPiBB bnl3YXksIGlmIHNvbWV0aGluZyBpcyBicm9rZW4gYmV0d2VlbiBwYXRjaCAxMyBhbmQgMTQsIHRo ZW4gdGhleQ0KPiBzaG91bGQgYmUgc2FtZSBwYXRjaC4NCkdyZWF0LiBJdCBzaG91bGQgYmUgb2sg YmVjYXVzZSB0aGUgbmV3IGZ1bmN0aW9ucyBhcmUgbm90IHVzZWQgYW55d2hlcmUgdW50aWwNCmFm dGVyIHRoaXMgcGF0Y2guDQoNClRoYW5rcywNCg0KUmljaw0KDQo+ID4gPiA+IC0jaWZkZWYgQ09O RklHX0RFQlVHX1BBR0VBTExPQw0KPiA+ID4gPiAgZXh0ZXJuIGJvb2wgX2RlYnVnX3BhZ2VhbGxv Y19lbmFibGVkOw0KPiA+ID4gPiAtZXh0ZXJuIHZvaWQgX19rZXJuZWxfbWFwX3BhZ2VzKHN0cnVj dCBwYWdlICpwYWdlLCBpbnQgbnVtcGFnZXMsIGludA0KPiA+ID4gPiBlbmFibGUpOw0KPiA+ID4g PiAgDQo+ID4gPiA+ICBzdGF0aWMgaW5saW5lIGJvb2wgZGVidWdfcGFnZWFsbG9jX2VuYWJsZWQo dm9pZCkNCj4gPiA+ID4gIHsNCj4gPiA+ID4gLQlyZXR1cm4gX2RlYnVnX3BhZ2VhbGxvY19lbmFi bGVkOw0KPiA+ID4gPiArCXJldHVybiBJU19FTkFCTEVEKENPTkZJR19ERUJVR19QQUdFQUxMT0Mp ICYmDQo+ID4gPiA+IF9kZWJ1Z19wYWdlYWxsb2NfZW5hYmxlZDsNCj4gPiA+ID4gIH0NCj4gPiA+ IA0KPiA+ID4gVGhpcyB3aWxsIGJyZWFrIGJ1aWxkIEFGQUlDVC4gX2RlYnVnX3BhZ2VhbGxvY19l bmFibGVkIHZhcmlhYmxlIGRvZXMNCj4gPiA+IG5vdCBleGlzdCBpbiAhQ09ORklHX0RFQlVHX1BB R0VBTExPQyBjYXNlLg0KPiA+ID4gDQo+ID4gPiAJCQkJCQkJCQlQYXZlbA0KPiA+IA0KPiA+IEFm dGVyIGFkZGluZyBpbiB0aGUgQ09ORklHX0FSQ0hfSEFTX1NFVF9BTElBUyBjb25kaXRpb24gdG8g dGhlIGlmZGVmcyBpbg0KPiA+IHRoaXMNCj4gPiBhcmVhIGl0IGxvb2tlZCBhIGxpdHRsZSBoYXJk IHRvIHJlYWQgdG8gbWUsIHNvIEkgbW92ZWQNCj4gPiBkZWJ1Z19wYWdlYWxsb2NfZW5hYmxlZA0K PiA+IGFuZCBleHRlcm4gYm9vbCBfZGVidWdfcGFnZWFsbG9jX2VuYWJsZWQgb3V0c2lkZSB0byBt YWtlIGl0IGVhc2llci4gSSB0aGluaw0KPiA+IHlvdQ0KPiA+IGFyZSByaWdodCwgdGhlIGFjdHVh bCBub24tZXh0ZXJuIHZhcmlhYmxlIGNhbiBub3QgYmUgdGhlcmUsIGJ1dCB0aGUNCj4gPiByZWZl cmVuY2UNCj4gPiBoZXJlIGdldHMgb3B0aW1pemVkIG91dCBpbiB0aGF0IGNhc2UuDQo+ID4gDQo+ ID4gSnVzdCBkb3VibGUgY2hlY2tlZCBhbmQgaXQgYnVpbGRzIGZvciBib3RoIENPTkZJR19ERUJV R19QQUdFQUxMT0M9biBhbmQNCj4gPiBDT05GSUdfREVCVUdfUEFHRUFMTE9DPXkgZm9yIG1lLg0K PiANCj4gT2suDQo+IA0KPiBUaGFua3MsDQo+IAkJCQkJCQkJCVBhdmVsDQo=