From mboxrd@z Thu Jan 1 00:00:00 1970 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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180412215149.GA27802@saruman> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org 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" List-Id: linux-arm-msm@vger.kernel.org RnJvbTogSmFtZXMgSG9nYW4NCj4gU2VudDogMTIgQXByaWwgMjAxOCAyMjo1Mg0KPiBPbiBUdWUs IEFwciAwMywgMjAxOCBhdCAwODo1NTowNEFNIC0wNDAwLCBTaW5hbiBLYXlhIHdyb3RlOg0KPiA+ IFdoaWxlIGEgYmFycmllciBpcyBwcmVzZW50IGluIHdyaXRlWCgpIGZ1bmN0aW9uIGJlZm9yZSB0 aGUgcmVnaXN0ZXIgd3JpdGUsDQo+ID4gYSBzaW1pbGFyIGJhcnJpZXIgaXMgbWlzc2luZyBpbiB0 aGUgcmVhZFgoKSBmdW5jdGlvbiBhZnRlciB0aGUgcmVnaXN0ZXINCj4gPiByZWFkLiBUaGlzIGNv dWxkIGFsbG93IG1lbW9yeSBhY2Nlc3NlcyBmb2xsb3dpbmcgcmVhZFgoKSB0byBvYnNlcnZlDQo+ ID4gc3RhbGUgZGF0YS4NCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFNpbmFuIEtheWEgPG9rYXlh QGNvZGVhdXJvcmEub3JnPg0KPiA+IFJlcG9ydGVkLWJ5OiBBcm5kIEJlcmdtYW5uIDxhcm5kQGFy bmRiLmRlPg0KPiANCj4gQm90aCBwYXRjaGVzIGxvb2sgbGlrZSBvYnZpb3VzIGltcHJvdmVtZW50 cyB0byBtZSwgc28gSSdtIGhhcHB5IHRvIGFwcGx5DQo+IHRvIG15IGZpeGVzIGJyYW5jaC4NCg0K RG9uJ3QgeW91IGFsc28gbmVlZCBhdCBsZWFzdCBiYXJyaWVyKCkgYmV0d2VlbiB0aGUgcmVnaXN0 ZXIgd3JpdGUgaW4gd3JpdGVYKCkNCmFuZCB0aGUgcmVnaXN0ZXIgcmVhZCBpbiByZWFkWCgpPw0K T24gcHBjIHlvdSBwcm9iYWJseSBuZWVkIGVpZWlvLg0KT3IgYXJlIGRyaXZlcnMgZXhwZWN0ZWQg dG8gaW5zZXJ0IHRoYXQgb25lPw0KSWYgdGhleSBuZWVkIHRvIGluc2VydCB0aGF0IG9uZSB0aGVu IHdoeSBub3QgYWxsIHRoZSBvdGhlcnM/Pw0KDQoJRGF2aWQNCg0K