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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6DCFC433F5 for ; Tue, 12 Oct 2021 21:01:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B61F060720 for ; Tue, 12 Oct 2021 21:01:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234191AbhJLVDY (ORCPT ); Tue, 12 Oct 2021 17:03:24 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:24797 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233224AbhJLVDW (ORCPT ); Tue, 12 Oct 2021 17:03:22 -0400 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-209-I912YUWeNjaH_VcVetXI8A-1; Tue, 12 Oct 2021 22:01:17 +0100 X-MC-Unique: I912YUWeNjaH_VcVetXI8A-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 12 Oct 2021 22:01:16 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.023; Tue, 12 Oct 2021 22:01:16 +0100 From: David Laight To: 'Jarkko Sakkinen' , Jason Gunthorpe CC: Cai Huoqing , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Peter Huewe , "linuxppc-dev@lists.ozlabs.org" , "linux-integrity@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] tpm: ibmvtpm: Make use of dma_alloc_coherent() Thread-Topic: [PATCH] tpm: ibmvtpm: Make use of dma_alloc_coherent() Thread-Index: AQHXv5BF1vwPy+MMsUecj0afA36gwqvP2EkA Date: Tue, 12 Oct 2021 21:01:16 +0000 Message-ID: References: <20211010160147.590-1-caihuoqing@baidu.com> <31619f2f192a4f1584e458f468422cf6e8f7542f.camel@kernel.org> <20211012154325.GI2688930@ziepe.ca> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSmFya2tvIFNha2tpbmVuDQo+IFNlbnQ6IDEyIE9jdG9iZXIgMjAyMSAxODo0MQ0KPiAN Cj4gT24gVHVlLCAyMDIxLTEwLTEyIGF0IDEyOjQzIC0wMzAwLCBKYXNvbiBHdW50aG9ycGUgd3Jv dGU6DQo+ID4gT24gVHVlLCBPY3QgMTIsIDIwMjEgYXQgMDY6Mjk6NThQTSArMDMwMCwgSmFya2tv IFNha2tpbmVuIHdyb3RlOg0KPiA+ID4gT24gTW9uLCAyMDIxLTEwLTExIGF0IDAwOjAxICswODAw LCBDYWkgSHVvcWluZyB3cm90ZToNCj4gPiA+ID4gUmVwbGFjaW5nIGttYWxsb2Mva2ZyZWUvZ2V0 X3plcm9lZF9wYWdlL2ZyZWVfcGFnZS9kbWFfbWFwX3NpbmdsZS8NCj4gPiA+IMKgIH5+fn5+fn5+ fg0KPiA+ID4gwqAgUmVwbGFjZQ0KPiA+ID4NCj4gPiA+ID4gZG1hX3VubWFwX3NpbmdsZSgpIHdp dGggZG1hX2FsbG9jX2NvaGVyZW50L2RtYV9mcmVlX2NvaGVyZW50KCkNCj4gPiA+ID4gaGVscHMg dG8gcmVkdWNlIGNvZGUgc2l6ZSwgYW5kIHNpbXBsaWZ5IHRoZSBjb2RlLCBhbmQgY29oZXJlbnQN Cj4gPiA+ID4gRE1BIHdpbGwgbm90IGNsZWFyIHRoZSBjYWNoZSBldmVyeSB0aW1lLg0KPiA+ID4g Pg0KPiA+ID4gPiBTaWduZWQtb2ZmLWJ5OiBDYWkgSHVvcWluZyA8Y2FpaHVvcWluZ0BiYWlkdS5j b20+DQo+ID4gPg0KPiA+ID4gSWYgdGhpcyBkb2VzIG5vdCBkbyBmdW5jdGlvbmFsbHkgYW55dGhp bmcgdXNlZnVsLCB0aGVyZSdzIG5vDQo+ID4gPiByZWFzb24gdG8gYXBwbHkgdGhpcy4NCj4gPg0K PiA+IEF0IGxlYXN0IGluIHRoaXMgY2FzZSBpdCBsb29rcyBsaWtlIHRoZSBpYm12dHBtIGlzIG5v dCB1c2luZyB0aGUgRE1BDQo+ID4gQVBJIHByb3Blcmx5LiBUaGVyZSBpcyBubyBzeW5jIGFmdGVy IGVhY2ggZGF0YSB0cmFuc2Zlci4gUmVwbGFjaW5nDQo+ID4gdGhpcyB3cm9uZyB1c2FnZSB3aXRo IHRoZSBjb2hlcmVudCBBUEkgaXMgcmVhc29uYWJsZS4NCj4gDQo+IFRoYW5rIHlvdS4gQXMgbG9u ZyBhcyB0aGlzIGlzIGRvY3VtZW50ZWQgdG8gdGhlIGNvbW1pdCBtZXNzYWdlLA0KPiBJJ20gY29v bCB3aXRoIHRoZSBjaGFuZ2UgaXRzZWxmLg0KPiANCj4gRS5nLiBzb21ldGhpbmcgbGlrZSB0aGlz IHdvdWxkIGJlIHBlcmZlY3RseSBmaW5lIHJlcGxhY2VtZW50IGZvciB0aGUNCj4gY3VycmVudCBj b21taXQgbWVzc2FnZToNCj4gDQo+ICJUaGUgY3VycmVudCB1c2FnZSBwYXR0ZXJuIGZvciB0aGUg RE1BIEFQSSBpcyBpbmFwcHJvcHJpYXRlLCBhcw0KPiBkYXRhIHRyYW5zZmVycyBhcmUgbm90IHN5 bmNlZC4gUmVwbGFjZSB0aGUgZXhpc3RpbmcgRE1BIGNvZGUNCj4gd2l0aCB0aGUgY29oZXJlbnQg RE1BIEFQSS4iDQoNCldoeSBub3QgYWxzbyBzYXkgdGhhdCB0aGUgRE1BIGFjY2VzcyBzbm9vcCB0 aGUgY2FjaGU/DQooSSB0aGluayB0aGF0IHdhcyBtZW50aW9uZWQgZWFybGllciBpbiB0aGUgdGhy ZWFkLikNCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxl eSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0 aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==