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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 31FB4C742B0 for ; Fri, 12 Jul 2019 09:00:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04346216B7 for ; Fri, 12 Jul 2019 09:00:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=amazon.de header.i=@amazon.de header.b="FahXqdBH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726388AbfGLJAL (ORCPT ); Fri, 12 Jul 2019 05:00:11 -0400 Received: from smtp-fw-6001.amazon.com ([52.95.48.154]:35650 "EHLO smtp-fw-6001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726165AbfGLJAK (ORCPT ); Fri, 12 Jul 2019 05:00:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.de; i=@amazon.de; q=dns/txt; s=amazon201209; t=1562922010; x=1594458010; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:mime-version: content-transfer-encoding; bh=OoeXV66HMCiCE8///mVVeViK+QsNj7YHb5Peo1lavf4=; b=FahXqdBHLx9pfa3CMlHYIcIpbVSIgfxshXw5QkJQrtsUHJYbnR8ivrXN EwSdIsPGMUbrtFQkhWkp6hmb2/+xQu1IHGMoC7YHOkR2+2pLsxdqZ3bKr bTSW0sd5/DCuDzIbZ3/iqYMfJN/HyVOvomNofHqDbPQdJ1Q+XWQRDadoW E=; X-IronPort-AV: E=Sophos;i="5.62,481,1554768000"; d="scan'208";a="404652279" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-1e-57e1d233.us-east-1.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6001.iad6.amazon.com with ESMTP; 12 Jul 2019 09:00:06 +0000 Received: from EX13MTAUEA001.ant.amazon.com (iad55-ws-svc-p15-lb9-vlan3.iad.amazon.com [10.40.159.166]) by email-inbound-relay-1e-57e1d233.us-east-1.amazon.com (Postfix) with ESMTPS id B7E54141902; Fri, 12 Jul 2019 09:00:01 +0000 (UTC) Received: from EX13D01EUB002.ant.amazon.com (10.43.166.113) by EX13MTAUEA001.ant.amazon.com (10.43.61.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 12 Jul 2019 09:00:00 +0000 Received: from EX13D01EUB003.ant.amazon.com (10.43.166.248) by EX13D01EUB002.ant.amazon.com (10.43.166.113) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 12 Jul 2019 08:59:59 +0000 Received: from EX13D01EUB003.ant.amazon.com ([10.43.166.248]) by EX13D01EUB003.ant.amazon.com ([10.43.166.248]) with mapi id 15.00.1367.000; Fri, 12 Jul 2019 08:59:59 +0000 From: "Raslan, KarimAllah" To: "linux@armlinux.org.uk" CC: "linux-kernel@vger.kernel.org" , "yaojun8558363@gmail.com" , "ard.biesheuvel@linaro.org" , "tglx@linutronix.de" , "james.morse@arm.com" , "robin.murphy@arm.com" , "akpm@linux-foundation.org" , "mark.rutland@arm.com" , "info@metux.net" , "catalin.marinas@arm.com" , "yuzhao@google.com" , "rppt@linux.ibm.com" , "linux-arm-kernel@lists.infradead.org" , "anders.roxell@linaro.org" , "anshuman.khandual@arm.com" , "will@kernel.org" Subject: Re: [PATCH] arm: Extend the check for RAM in /dev/mem Thread-Topic: [PATCH] arm: Extend the check for RAM in /dev/mem Thread-Index: AQHVODcIGfDHKrKqiE2jyO8cjDhCoqbGRNqAgAAGCACAAGPzAIAAARkA Date: Fri, 12 Jul 2019 08:59:59 +0000 Message-ID: <1562921998.1345.15.camel@amazon.de> References: <1562883681-18659-1-git-send-email-karahmed@amazon.de> <14f02e29-77b2-29d9-a9f4-7f89ad0194f6@arm.com> <1562900298.1345.12.camel@amazon.de> <20190712085602.v2tncu5tsngtvbww@shell.armlinux.org.uk> In-Reply-To: <20190712085602.v2tncu5tsngtvbww@shell.armlinux.org.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.164.55] Content-Type: text/plain; charset="utf-8" Content-ID: <95EBDE33927643488B6CA975A983494F@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gRnJpLCAyMDE5LTA3LTEyIGF0IDA5OjU2ICswMTAwLCBSdXNzZWxsIEtpbmcgLSBBUk0gTGlu dXggYWRtaW4gd3JvdGU6DQo+IE9uIEZyaSwgSnVsIDEyLCAyMDE5IGF0IDAyOjU4OjE4QU0gKzAw MDAsIFJhc2xhbiwgS2FyaW1BbGxhaCB3cm90ZToNCj4gPiANCj4gPiBPbiBGcmksIDIwMTktMDct MTIgYXQgMDg6MDYgKzA1MzAsIEFuc2h1bWFuIEtoYW5kdWFsIHdyb3RlOg0KPiA+ID4gDQo+ID4g PiANCj4gPiA+IE9uIDA3LzEyLzIwMTkgMDM6NTEgQU0sIEthcmltQWxsYWggQWhtZWQgd3JvdGU6 DQo+ID4gPiA+IA0KPiA+ID4gPiANCj4gPiA+ID4gU29tZSB2YWxpZCBSQU0gY2FuIGxpdmUgb3V0 c2lkZSBrZXJuZWwgY29udHJvbCAoZS5nLiB1c2luZyBtZW09IGtlcm5lbA0KPiA+ID4gPiBjb21t YW5kLWxpbmUpLiBGb3IgdGhlc2UgcmVnaW9ucywgcGZuX3ZhbGlkIHdvdWxkIHJldHVybiAiZmFs c2UiIGNhdXNpbmcNCj4gPiA+ID4gc3lzdGVtIFJBTSB0byBiZSBtYXBwZWQgYXMgdW5jYWNoZWQu IFVzZSBtZW1ibG9jayBpbnN0ZWFkIHRvIGlkZW50aWZ5IFJBTS4NCj4gPiA+IA0KPiA+ID4gT25j ZSB0aGUgcmVtYWluaW5nIG1lbW9yeSBpcyBvdXRzaWRlIG9mIHRoZSBrZXJuZWwgKGFzIHRoZSBh ZG1pbiB3b3VsZCBoYXZlDQo+ID4gPiBpbnRlbmRlZCB3aXRoIG1lbT0gY29tbWFuZCBsaW5lKSB3 aGF0IGlzIHRoZSBwYXJ0aWN1bGFyIGNvbmNlcm4gcmVnYXJkaW5nDQo+ID4gPiB0aGUgd2F5IHRo b3NlIGdldCBtYXBwZWQgKGNhY2hlZCBvciBub3QpID8gSXQgaXMgbm90IHRvIGJlIHVzZWQgYW55 IHdheS4NCj4gPiANCj4gPiBUaGV5IGNhbiBiZSB1c2VkIGJ5IHVzZXItc3BhY2Ugd2hpY2ggbWln aHQgbGVhZCB0byB0aGVtIGJlaW5nIHVzZWQgYnkgdGhlwqANCj4gPiBrZXJuZWwuIE9uZSB1c2Ut Y2FzZSB3b3VsZCBiZSB1c2luZyB0aGVtIGFzIGd1ZXN0IG1lbW9yeSBmb3IgS1ZNIGFzIEkgZGV0 YWlsZWTCoA0KPiA+IGhlcmU6DQo+ID4gDQo+ID4gaHR0cHM6Ly9sd24ubmV0L0FydGljbGVzLzc3 ODI0MC8NCj4gDQo+IEZyb20gdGhlIDMyLWJpdCBBUk0gcG9pbnQgb2Ygdmlldy4uLg0KPiANCj4g V2hhdCBpZiBzb21lb25lJ3MgYWxyZWFkeSBkb2luZyBzb21ldGhpbmcgc2ltaWxhciB3aXRoIGEg bm9uLWNvaGVyZW50DQo+IERTUCBhbmQgaXMgcmVseWluZyBvbiB0aGUgY3VycmVudCBiZWhhdmlv dXI/ICBUaGlzIGNoYW5nZSBpcyBhIHVzZXINCj4gdmlzaWJsZSBiZWhhdmlvdXJhbCBjaGFuZ2Ug dGhhdCBjb3VsZCBlbmQgdXAgYnJlYWtpbmcgdXNlcnNwYWNlLg0KPiANCj4gSW4gb3RoZXIgd29y ZHMsIGl0IGlzbid0IHNvbWV0aGluZyB3ZSBzaG91bGQgcnVzaCBpbnRvLg0KDQpZZXMsIHRoYXQg bWFrZXMgc2Vuc2UuIEhvdyBhYm91dCBhZGRpbmcgYSBjb21tYW5kLWxpbmUgb3B0aW9uIGZvciB0 aGlzIG5ld8KgDQpiZWhhdmlvciBpbnN0ZWFkPyBXb3VsZCB0aGlzIGJlIG1vcmUgcmVhc29uYWJs ZT8KCgoKQW1hem9uIERldmVsb3BtZW50IENlbnRlciBHZXJtYW55IEdtYkgKS3JhdXNlbnN0ci4g MzgKMTAxMTcgQmVybGluCkdlc2NoYWVmdHNmdWVocnVuZzogQ2hyaXN0aWFuIFNjaGxhZWdlciwg UmFsZiBIZXJicmljaApFaW5nZXRyYWdlbiBhbSBBbXRzZ2VyaWNodCBDaGFybG90dGVuYnVyZyB1 bnRlciBIUkIgMTQ5MTczIEIKU2l0ejogQmVybGluClVzdC1JRDogREUgMjg5IDIzNyA4NzkKCgo=