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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 232CAC433EF for ; Wed, 8 Jun 2022 17:39:20 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id C0AB060E13; Wed, 8 Jun 2022 17:39:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h0cJiSlUjghv; Wed, 8 Jun 2022 17:39:18 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp3.osuosl.org (Postfix) with ESMTPS id 964D660C01; Wed, 8 Jun 2022 17:39:18 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7137FC0032; Wed, 8 Jun 2022 17:39:18 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 3102BC002D for ; Wed, 8 Jun 2022 17:39:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 1C794409C8 for ; Wed, 8 Jun 2022 17:39:17 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4udOJ60DV84c for ; Wed, 8 Jun 2022 17:39:16 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id 343DF40002 for ; Wed, 8 Jun 2022 17:39:16 +0000 (UTC) Received: from fraeml734-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4LJDqk4F4Cz6884T; Thu, 9 Jun 2022 01:34:26 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml734-chm.china.huawei.com (10.206.15.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 8 Jun 2022 19:39:12 +0200 Received: from [10.47.90.54] (10.47.90.54) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 8 Jun 2022 18:39:11 +0100 Message-ID: Date: Wed, 8 Jun 2022 18:39:10 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH v3 2/4] dma-iommu: Add iommu_dma_opt_mapping_size() To: Bart Van Assche , , , , , , , , References: <1654507822-168026-1-git-send-email-john.garry@huawei.com> <1654507822-168026-3-git-send-email-john.garry@huawei.com> In-Reply-To: X-Originating-IP: [10.47.90.54] X-ClientProxiedBy: lhreml744-chm.china.huawei.com (10.201.108.194) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Cc: linux-scsi@vger.kernel.org, linux-doc@vger.kernel.org, liyihang6@hisilicon.com, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, iommu@lists.linux-foundation.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: John Garry via iommu Reply-To: John Garry Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMDgvMDYvMjAyMiAxODoyNiwgQmFydCBWYW4gQXNzY2hlIHdyb3RlOgo+IE9uIDYvNi8yMiAw MjozMCwgSm9obiBHYXJyeSB2aWEgaW9tbXUgd3JvdGU6Cj4+ICt1bnNpZ25lZCBsb25nIGlvdmFf cmNhY2hlX3JhbmdlKHZvaWQpCj4+ICt7Cj4+ICvCoMKgwqAgcmV0dXJuIFBBR0VfU0laRSA8PCAo SU9WQV9SQU5HRV9DQUNIRV9NQVhfU0laRSAtIDEpOwo+PiArfQo+IAo+IE15IHVuZGVyc3RhbmRp bmcgaXMgdGhhdCBpb3ZhIGNhY2hlIGVudHJpZXMgbWF5IGJlIHNtYWxsZXIgdGhhbiAKPiBJT1ZB X1JBTkdFX0NBQ0hFX01BWF9TSVpFIGFuZCBoZW5jZSB0aGF0IGV2ZW4gaWYgY29kZSB0aGF0IHVz ZXMgdGhlIERNQSAKPiBtYXBwaW5nIEFQSSByZXNwZWN0cyB0aGlzIGxpbWl0IHRoYXQgYSBjYWNo ZSBtaXNzIGNhbiBzdGlsbCBoYXBwZW4uCgpTdXJlLCBhIGNhY2hlIG1pc3MgbWF5IHN0aWxsIGhh cHBlbiAtIGhvd2V2ZXIgb25jZSB3ZSBoYXZlIHN0cmVzc2VkIHRoZSAKc3lzdGVtIGZvciBhIHdo aWxlIHRoZW4gdGhlIHJjYWNoZXMgZmlsbCB1cCBhbmQgZG9uJ3QgZmFpbCBvZnRlbiwgb3IgCm9m dGVuIGVub3VnaCB0byBiZSBub3RpY2VhYmxlIGNvbXBhcmVkIHRvIG5vdCBoYXZpbmcgYSBjYWNo ZWQgSU9WQXMgYXQgYWxsLgoKVGhhbmtzLApqb2huCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51 eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1h bi9saXN0aW5mby9pb21tdQ==