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header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id EB5E060758; Fri, 19 Mar 2021 17:00:42 +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 F2lrwBdVyrjZ; Fri, 19 Mar 2021 17:00:38 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTP id 722E8605F9; Fri, 19 Mar 2021 17:00:36 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 323CDC000B; Fri, 19 Mar 2021 17:00:36 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8D6A3C0001 for ; Fri, 19 Mar 2021 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cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Fri, 19 Mar 2021 18:00:29 +0100 Received: from [10.47.10.104] (10.47.10.104) 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 15.1.2106.2; Fri, 19 Mar 2021 17:00:28 +0000 Subject: Re: [PATCH 1/6] iommu: Move IOVA power-of-2 roundup into allocator To: Robin Murphy , , , , , , References: <1616160348-29451-1-git-send-email-john.garry@huawei.com> <1616160348-29451-2-git-send-email-john.garry@huawei.com> From: John Garry Message-ID: <73d459de-b5cc-e2f5-bcd7-2ee23c8d5075@huawei.com> Date: Fri, 19 Mar 2021 16:58:17 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.47.10.104] X-ClientProxiedBy: lhreml717-chm.china.huawei.com (10.201.108.68) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linuxarm@huawei.com 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: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMTkvMDMvMjAyMSAxNjoxMywgUm9iaW4gTXVycGh5IHdyb3RlOgo+IE9uIDIwMjEtMDMtMTkg MTM6MjUsIEpvaG4gR2Fycnkgd3JvdGU6Cj4+IE1vdmUgdGhlIElPVkEgc2l6ZSBwb3dlci1vZi0y IHJjYWNoZSByb3VuZHVwIGludG8gdGhlIElPVkEgYWxsb2NhdG9yLgo+Pgo+PiBUaGlzIGlzIHRv IGV2ZW50dWFsbHkgbWFrZSBpdCBwb3NzaWJsZSB0byBiZSBhYmxlIHRvIGNvbmZpZ3VyZSB0aGUg dXBwZXIKPj4gbGltaXQgb2YgdGhlIElPVkEgcmNhY2hlIHJhbmdlLgo+Pgo+PiBTaWduZWQtb2Zm LWJ5OiBKb2huIEdhcnJ5IDxqb2huLmdhcnJ5QGh1YXdlaS5jb20+Cj4+IC0tLQo+PiDCoCBkcml2 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