From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 13 Apr 2018 17:40:25 +0200 (CEST) Received: from smtp-out4.electric.net ([192.162.216.184]:52007 "EHLO smtp-out4.electric.net" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992105AbeDMPkRdP8c2 (ORCPT ); Fri, 13 Apr 2018 17:40:17 +0200 Received: from 1f70nu-0008C0-U1 by out4a.electric.net with emc1-ok (Exim 4.90_1) (envelope-from ) id 1f70o4-0000iJ-UG; Fri, 13 Apr 2018 08:40:08 -0700 Received: by emcmailer; Fri, 13 Apr 2018 08:40:08 -0700 Received: from [156.67.243.126] (helo=AcuMS.aculab.com) by out4a.electric.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1f70nu-0008C0-U1; Fri, 13 Apr 2018 08:39:58 -0700 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 13 Apr 2018 16:41:00 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Fri, 13 Apr 2018 16:41:00 +0100 From: David Laight To: 'James Hogan' , Sinan Kaya CC: "linux-mips@linux-mips.org" , "arnd@arndb.de" , "timur@codeaurora.org" , "sulrich@codeaurora.org" , "linux-arm-msm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Ralf Baechle , Paul Burton , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH v3 2/2] MIPS: io: add a barrier after register read in readX() Thread-Topic: [PATCH v3 2/2] MIPS: io: add a barrier after register read in readX() Thread-Index: AQHT0qikXjJOjqk/vUybR+JVW4DLMKP+1Ukw Date: Fri, 13 Apr 2018 15:41:00 +0000 Message-ID: References: <1522760109-16497-1-git-send-email-okaya@codeaurora.org> <1522760109-16497-2-git-send-email-okaya@codeaurora.org> <20180412215149.GA27802@saruman> In-Reply-To: <20180412215149.GA27802@saruman> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.33] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Outbound-IP: 156.67.243.126 X-Env-From: David.Laight@ACULAB.COM X-Proto: esmtps X-Revdns: X-HELO: AcuMS.aculab.com X-TLS: TLSv1.2:ECDHE-RSA-AES256-SHA384:256 X-Authenticated_ID: X-PolicySMART: 3396946, 3397078 X-Virus-Status: Scanned by VirusSMART (c) X-Virus-Status: Scanned by VirusSMART (s) Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 63523 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: David.Laight@ACULAB.COM Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips RnJvbTogSmFtZXMgSG9nYW4NCj4gU2VudDogMTIgQXByaWwgMjAxOCAyMjo1Mg0KPiBPbiBUdWUs IEFwciAwMywgMjAxOCBhdCAwODo1NTowNEFNIC0wNDAwLCBTaW5hbiBLYXlhIHdyb3RlOg0KPiA+ IFdoaWxlIGEgYmFycmllciBpcyBwcmVzZW50IGluIHdyaXRlWCgpIGZ1bmN0aW9uIGJlZm9yZSB0 aGUgcmVnaXN0ZXIgd3JpdGUsDQo+ID4gYSBzaW1pbGFyIGJhcnJpZXIgaXMgbWlzc2luZyBpbiB0 aGUgcmVhZFgoKSBmdW5jdGlvbiBhZnRlciB0aGUgcmVnaXN0ZXINCj4gPiByZWFkLiBUaGlzIGNv dWxkIGFsbG93IG1lbW9yeSBhY2Nlc3NlcyBmb2xsb3dpbmcgcmVhZFgoKSB0byBvYnNlcnZlDQo+ ID4gc3RhbGUgZGF0YS4NCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFNpbmFuIEtheWEgPG9rYXlh QGNvZGVhdXJvcmEub3JnPg0KPiA+IFJlcG9ydGVkLWJ5OiBBcm5kIEJlcmdtYW5uIDxhcm5kQGFy bmRiLmRlPg0KPiANCj4gQm90aCBwYXRjaGVzIGxvb2sgbGlrZSBvYnZpb3VzIGltcHJvdmVtZW50 cyB0byBtZSwgc28gSSdtIGhhcHB5IHRvIGFwcGx5DQo+IHRvIG15IGZpeGVzIGJyYW5jaC4NCg0K RG9uJ3QgeW91IGFsc28gbmVlZCBhdCBsZWFzdCBiYXJyaWVyKCkgYmV0d2VlbiB0aGUgcmVnaXN0 ZXIgd3JpdGUgaW4gd3JpdGVYKCkNCmFuZCB0aGUgcmVnaXN0ZXIgcmVhZCBpbiByZWFkWCgpPw0K T24gcHBjIHlvdSBwcm9iYWJseSBuZWVkIGVpZWlvLg0KT3IgYXJlIGRyaXZlcnMgZXhwZWN0ZWQg dG8gaW5zZXJ0IHRoYXQgb25lPw0KSWYgdGhleSBuZWVkIHRvIGluc2VydCB0aGF0IG9uZSB0aGVu IHdoeSBub3QgYWxsIHRoZSBvdGhlcnM/Pw0KDQoJRGF2aWQNCg0K From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out4.electric.net ([192.162.216.184]:52007 "EHLO smtp-out4.electric.net" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S23992105AbeDMPkRdP8c2 (ORCPT ); Fri, 13 Apr 2018 17:40:17 +0200 From: David Laight Subject: RE: [PATCH v3 2/2] MIPS: io: add a barrier after register read in readX() Date: Fri, 13 Apr 2018 15:41:00 +0000 Message-ID: References: <1522760109-16497-1-git-send-email-okaya@codeaurora.org> <1522760109-16497-2-git-send-email-okaya@codeaurora.org> <20180412215149.GA27802@saruman> In-Reply-To: <20180412215149.GA27802@saruman> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Return-Path: Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: 'James Hogan' , Sinan Kaya Cc: "linux-mips@linux-mips.org" , "arnd@arndb.de" , "timur@codeaurora.org" , "sulrich@codeaurora.org" , "linux-arm-msm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Ralf Baechle , Paul Burton , "linux-kernel@vger.kernel.org" Message-ID: <20180413154100.o2dnPJNJuKhiYdwP4w9AnY4Xab3YtiVK6ntiytjxlak@z> RnJvbTogSmFtZXMgSG9nYW4NCj4gU2VudDogMTIgQXByaWwgMjAxOCAyMjo1Mg0KPiBPbiBUdWUs IEFwciAwMywgMjAxOCBhdCAwODo1NTowNEFNIC0wNDAwLCBTaW5hbiBLYXlhIHdyb3RlOg0KPiA+ IFdoaWxlIGEgYmFycmllciBpcyBwcmVzZW50IGluIHdyaXRlWCgpIGZ1bmN0aW9uIGJlZm9yZSB0 aGUgcmVnaXN0ZXIgd3JpdGUsDQo+ID4gYSBzaW1pbGFyIGJhcnJpZXIgaXMgbWlzc2luZyBpbiB0 aGUgcmVhZFgoKSBmdW5jdGlvbiBhZnRlciB0aGUgcmVnaXN0ZXINCj4gPiByZWFkLiBUaGlzIGNv dWxkIGFsbG93IG1lbW9yeSBhY2Nlc3NlcyBmb2xsb3dpbmcgcmVhZFgoKSB0byBvYnNlcnZlDQo+ ID4gc3RhbGUgZGF0YS4NCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFNpbmFuIEtheWEgPG9rYXlh QGNvZGVhdXJvcmEub3JnPg0KPiA+IFJlcG9ydGVkLWJ5OiBBcm5kIEJlcmdtYW5uIDxhcm5kQGFy bmRiLmRlPg0KPiANCj4gQm90aCBwYXRjaGVzIGxvb2sgbGlrZSBvYnZpb3VzIGltcHJvdmVtZW50 cyB0byBtZSwgc28gSSdtIGhhcHB5IHRvIGFwcGx5DQo+IHRvIG15IGZpeGVzIGJyYW5jaC4NCg0K RG9uJ3QgeW91IGFsc28gbmVlZCBhdCBsZWFzdCBiYXJyaWVyKCkgYmV0d2VlbiB0aGUgcmVnaXN0 ZXIgd3JpdGUgaW4gd3JpdGVYKCkNCmFuZCB0aGUgcmVnaXN0ZXIgcmVhZCBpbiByZWFkWCgpPw0K T24gcHBjIHlvdSBwcm9iYWJseSBuZWVkIGVpZWlvLg0KT3IgYXJlIGRyaXZlcnMgZXhwZWN0ZWQg dG8gaW5zZXJ0IHRoYXQgb25lPw0KSWYgdGhleSBuZWVkIHRvIGluc2VydCB0aGF0IG9uZSB0aGVu IHdoeSBub3QgYWxsIHRoZSBvdGhlcnM/Pw0KDQoJRGF2aWQNCg0K