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=-3.8 required=3.0 tests=BAYES_00, 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 18E99C433B4 for ; Tue, 13 Apr 2021 12:56:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF1B3613B8 for ; Tue, 13 Apr 2021 12:56:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231613AbhDMM5J (ORCPT ); Tue, 13 Apr 2021 08:57:09 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:44465 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231584AbhDMM5I (ORCPT ); Tue, 13 Apr 2021 08:57:08 -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-27-ltlbnxZ9N6qogcWxar3evA-1; Tue, 13 Apr 2021 13:56:45 +0100 X-MC-Unique: ltlbnxZ9N6qogcWxar3evA-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 15.0.1497.2; Tue, 13 Apr 2021 13:56:44 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.012; Tue, 13 Apr 2021 13:56:44 +0100 From: David Laight To: 'Arnd Bergmann' , Niklas Schnelle CC: Nathan Chancellor , Nick Desaulniers , clang-built-linux , linux-arch , Linux Kernel Mailing List , linux-s390 Subject: RE: [PATCH] asm-generic/io.h: Silence -Wnull-pointer-arithmetic warning on PCI_IOBASE Thread-Topic: [PATCH] asm-generic/io.h: Silence -Wnull-pointer-arithmetic warning on PCI_IOBASE Thread-Index: AQHXMGBrFmL3q8InjEiRDqC8qAyY5KqyZ1tA Date: Tue, 13 Apr 2021 12:56:44 +0000 Message-ID: <2783670cf610467ca19fd5abcad5a747@AcuMS.aculab.com> References: <20210413115439.1011560-1-schnelle@linux.ibm.com> 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-arch@vger.kernel.org RnJvbTogQXJuZCBCZXJnbWFubg0KPiBTZW50OiAxMyBBcHJpbCAyMDIxIDEzOjI3DQo+IA0KPiBP biBUdWUsIEFwciAxMywgMjAyMSBhdCAxOjU0IFBNIE5pa2xhcyBTY2huZWxsZSA8c2NobmVsbGVA bGludXguaWJtLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBXaGVuIFBDSV9JT0JBU0UgaXMgbm90IGRl ZmluZWQsIGl0IGlzIHNldCB0byAwIHN1Y2ggdGhhdCBpdCBpcyBpZ25vcmVkDQo+ID4gaW4gY2Fs bHMgdG8gdGhlIHJlYWRYL3dyaXRlWCBwcmltaXRpdmVzLiBXaGlsZSBtYXRoZW1hdGljYWxseSBv YnZpb3VzDQo+ID4gdGhpcyB0cmlnZ2VycyBjbGFuZydzIC1XbnVsbC1wb2ludGVyLWFyaXRobWV0 aWMgd2FybmluZy4NCj4gDQo+IEluZGVlZCwgdGhpcyBpcyBhbiBhbm5veWluZyB3YXJuaW5nLg0K PiANCj4gPiBBbiBhZGRpdGlvbmFsIGNvbXBsaWNhdGlvbiBpcyB0aGF0IFBDSV9JT0JBU0UgaXMg ZXhwbGljaXRseSB0eXBlZCBhcw0KPiA+ICJ2b2lkIF9faW9tZW0gKiIgd2hpY2ggY2F1c2VzIHRo ZSB0eXBlIGNvbnZlcnNpb24gdGhhdCBjb252ZXJ0cyB0aGUNCj4gPiAidW5zaWduZWQgbG9uZyIg cG9ydC9hZGRyIHBhcmFtZXRlcnMgdG8gdGhlIGFwcHJvcHJpYXRlIHBvaW50ZXIgdHlwZS4NCj4g PiBBcyBub24gcG9pbnRlciB0eXBlcyBhcmUgdXNlZCBieSBkcml2ZXJzIGF0IHRoZSBjYWxsc2l0 ZSBzaW5jZSB0aGVzZSBhcmUNCj4gPiBkZWFsaW5nIHdpdGggSS9PIHBvcnQgbnVtYmVycywgY2hh bmdpbmcgdGhlIHBhcmFtZXRlciB0eXBlIHdvdWxkIGNhdXNlDQo+ID4gZnVydGhlciB3YXJuaW5n cyBpbiBkcml2ZXJzLiBJbnN0ZWFkIHVzZSAidWludHB0cl90IiBmb3IgUENJX0lPQkFTRQ0KPiA+ IDAgYW5kIGV4cGxpY2l0bHkgY2FzdCB0byAidm9pZCBfX2lvbWVtICoiIHdoZW4gY2FsbGluZyBy ZWFkWC93cml0ZVguDQoNClNpbmNlIHRoZSBkZWZpbml0aW9ucyBtYWtlIG5vIHNlbnNlIHdoZW4g UENJX0lPQkFTRSBpbiB1bmRlZmluZWQNCm1heWJlIHRoZSBmdW5jdGlvbnMgc2hvdWxkIGVpdGhl ciBub3QgYmUgZGVmaW5lZCwgYmUgc3R1YnMgdGhhdA0KZG8gbm90aGluZyBvciBzdHVicyB0aGF0 IGFyZSBCVUcoKS4NCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwg QnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVn aXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==