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=-17.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=ham 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 2E2A6C433E0 for ; Thu, 4 Feb 2021 01:12:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD70C64F41 for ; Thu, 4 Feb 2021 01:12:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234049AbhBDBMF (ORCPT ); Wed, 3 Feb 2021 20:12:05 -0500 Received: from Mailgw01.mediatek.com ([1.203.163.78]:34579 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232184AbhBDBMD (ORCPT ); Wed, 3 Feb 2021 20:12:03 -0500 X-UUID: 5d784d263b7043e084225b404753ac45-20210204 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=Mn/ebbC9LsmEJbQuuUcinkZOL/S9ftYROo8U9Oj+0Po=; b=tHb7ekMh+g+dP+Jk60pyz+yKaHk3fCc56qBeBQK9Da1JyPSbOzrjhqg3Ti7O/7tSdxnOEMgN5T1p6/JKGJikRsLYaEEc/Zw010MdHidryOcfdXdyroDscCemy3gPxzd0MKx2wrFinRxCtvbW1ZY8LNagR46skC519oC4OS2keUw=; X-UUID: 5d784d263b7043e084225b404753ac45-20210204 Received: from mtkcas35.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1030138190; Thu, 04 Feb 2021 09:11:20 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 4 Feb 2021 09:11:10 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 4 Feb 2021 09:11:09 +0800 Message-ID: <1612401069.2524.14.camel@mhfsdcap03> Subject: Re: [PATCH][next] iommu/mediatek: Fix unsigned domid comparison with less than zero From: Yong Wu To: Colin King CC: Joerg Roedel , Will Deacon , "Matthias Brugger" , Anan sun , "Chao Hao" , Tomasz Figa , , , , , Date: Thu, 4 Feb 2021 09:11:09 +0800 In-Reply-To: <20210203135936.23016-1-colin.king@canonical.com> References: <20210203135936.23016-1-colin.king@canonical.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 9BDBFE8346E958A37D1A2EE99CA3980372E31BF52999FC51717954E6E3C6FFB92000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gV2VkLCAyMDIxLTAyLTAzIGF0IDEzOjU5ICswMDAwLCBDb2xpbiBLaW5nIHdyb3RlOg0KPiBG cm9tOiBDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0BjYW5vbmljYWwuY29tPg0KPiANCj4gQ3Vy cmVudGx5IHRoZSBjaGVjayBmb3IgZG9taWQgPCAwIGlzIGFsd2F5cyBmYWxzZSBiZWNhdXNlIGRv bWlkDQo+IGlzIHVuc2lnbmVkLiAgRml4IHRoaXMgYnkgbWFraW5nIGl0IHNpZ25lZC4NCj4gDQo+ IEFkZHJlc3Nlcy1Db3Zlcml0eUwgKCJVbnNpZ25lZCBjb21wYXJpc29uIGFnYWluc3QgMCIpDQo+ IEZpeGVzOiBhYjFkNTI4MWE2MmIgKCJpb21tdS9tZWRpYXRlazogQWRkIGlvdmEgcmVzZXJ2ZWQg ZnVuY3Rpb24iKQ0KPiBTaWduZWQtb2ZmLWJ5OiBDb2xpbiBJYW4gS2luZyA8Y29saW4ua2luZ0Bj YW5vbmljYWwuY29tPg0KDQpUaGFua3MgZm9yIHRoZSBmaXguDQoNClJldmlld2VkLWJ5OiBZb25n IFd1IDx5b25nLnd1QG1lZGlhdGVrLmNvbT4NCg0KPiAtLS0NCj4gIGRyaXZlcnMvaW9tbXUvbXRr X2lvbW11LmMgfCAyICstDQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVs ZXRpb24oLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2lvbW11L210a19pb21tdS5jIGIv ZHJpdmVycy9pb21tdS9tdGtfaW9tbXUuYw0KPiBpbmRleCAwYWQxNGE3NjA0YjEuLjgyM2Q3MTk5 NDViMiAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9pb21tdS9tdGtfaW9tbXUuYw0KPiArKysgYi9k cml2ZXJzL2lvbW11L210a19pb21tdS5jDQo+IEBAIC02NDAsNyArNjQwLDcgQEAgc3RhdGljIHZv aWQgbXRrX2lvbW11X2dldF9yZXN2X3JlZ2lvbnMoc3RydWN0IGRldmljZSAqZGV2LA0KPiAgCQkJ CSAgICAgICBzdHJ1Y3QgbGlzdF9oZWFkICpoZWFkKQ0KPiAgew0KPiAgCXN0cnVjdCBtdGtfaW9t bXVfZGF0YSAqZGF0YSA9IGRldl9pb21tdV9wcml2X2dldChkZXYpOw0KPiAtCXVuc2lnbmVkIGlu dCBkb21pZCA9IG10a19pb21tdV9nZXRfZG9tYWluX2lkKGRldiwgZGF0YS0+cGxhdF9kYXRhKSwg aTsNCj4gKwlpbnQgZG9taWQgPSBtdGtfaW9tbXVfZ2V0X2RvbWFpbl9pZChkZXYsIGRhdGEtPnBs YXRfZGF0YSksIGk7DQo+ICAJY29uc3Qgc3RydWN0IG10a19pb21tdV9pb3ZhX3JlZ2lvbiAqcmVz diwgKmN1cmRvbTsNCj4gIAlzdHJ1Y3QgaW9tbXVfcmVzdl9yZWdpb24gKnJlZ2lvbjsNCj4gIAlp bnQgcHJvdCA9IElPTU1VX1dSSVRFIHwgSU9NTVVfUkVBRDsNCg0K