Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp134044pxb; Tue, 2 Feb 2021 00:56:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJzznHoilbDKuB8dhrBseludiJVLvwWRxHjc47bX36rT/83HsduYy/8FUa67xjkv0J0IKzEb X-Received: by 2002:a17:906:3b4a:: with SMTP id h10mr21406569ejf.423.1612256197756; Tue, 02 Feb 2021 00:56:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612256197; cv=none; d=google.com; s=arc-20160816; b=yDt5dXGv62GS6KDfb9PIAK8OLQ+I3OM8HA4yqfnRXSsxoPzQNP59bTgCl8IouK7CZ7 wZxV1jA0ia7dldbYBHRQvHiyKWtuFcqUJBC/OF91Pa+BRQ9o+qOTKe8TlDJY7d+zX4ZQ J4QA7XzLi6xeYB3yl/dqy0+kytgCKaw/QBLn90YInyUe8+Mk9NQBzRB5kFOpYyWl7ycX wM2d2CWvykjq08ZoiL4nOWZZO3hhvqxnDNyuuFPkzyH8UNC2vUyTaWugZITVqXGkMHi1 CwI946Ikg/P6KJLJ/Kgz6FtGmTyXTL5vcLMHrO2SWMilPfXDtoyX7HQhcbEGpRr275Kl MPAg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from; bh=KrhiS9pI28zIsNNDUT/SvYvRDMo+ZmUyiZYk7CZJw+8=; b=w+r6cSR1tgd6XtjmwfcGLrqwDzY+GFP/stNlqb86D1K6T/Gey0mD4xGlloGj0wrEEX Rkdx7KRJwiP0v6g79NMt+l2Ls35p2Pjcd5RIHVwW6a1nnbX+jDVNE/M1k+qRCjMLSRuL Gw7qQ8vy5q4RiKzKf6ANE6VhyTuL0D5H4l1qi9kFJ9Twh4k9sJuC9IYIweU+2+Tmy0L3 B/44jkbozDuQm9QBo+80tSc7SIi5jrcYlT9LVBKTHZENFhA9d1ykqw2RDXOAxxVYL9m3 Cn0QTt3QAsJ+v7OZgVkWuovXWFmiIxKabOadof2PM05XxNGDUybb0HDhJxSPDy4oAlPt xbAA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d11si4214703edz.34.2021.02.02.00.55.53; Tue, 02 Feb 2021 00:56:37 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232653AbhBBIya (ORCPT + 99 others); Tue, 2 Feb 2021 03:54:30 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:11671 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229975AbhBBIy0 (ORCPT ); Tue, 2 Feb 2021 03:54:26 -0500 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4DVJTY5ChTzlDXp; Tue, 2 Feb 2021 16:52:01 +0800 (CST) Received: from DESKTOP-5IS4806.china.huawei.com (10.174.184.42) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.498.0; Tue, 2 Feb 2021 16:53:33 +0800 From: Keqian Zhu To: , , CC: Will Deacon , Alex Williamson , Marc Zyngier , , Subject: [PATCH] iommu: Update the document of IOMMU_DOMAIN_UNMANAGED Date: Tue, 2 Feb 2021 16:53:30 +0800 Message-ID: <20210202085330.31716-1-zhukeqian1@huawei.com> X-Mailer: git-send-email 2.8.4.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.184.42] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Keqian Zhu --- include/linux/iommu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 77e561ed57fd..e8f2efae212b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -68,7 +68,7 @@ struct iommu_domain_geometry { * devices * IOMMU_DOMAIN_IDENTITY - DMA addresses are system physical addresses * IOMMU_DOMAIN_UNMANAGED - DMA mappings managed by IOMMU-API user, used - * for VMs + * for VMs or userspace driver frameworks * IOMMU_DOMAIN_DMA - Internally used for DMA-API implementations. * This flag allows IOMMU drivers to implement * certain optimizations for these domains -- 2.19.1