linux-kernel - Re: [PATCH v3 0/4] PCI / iommu / thunderbolt: IOMMU based DMA protection

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Message-ID: <20181205091145.GH2469@lahna.fi.intel.com>
Date:   Wed, 5 Dec 2018 11:11:45 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     iommu@...ts.linux-foundation.org
Cc:     Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Lukas Wunner <lukas@...ner.de>,
        Christian Kellner <ckellner@...hat.com>,
        Mario.Limonciello@...l.com,
        Anthony Wong <anthony.wong@...onical.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Christoph Hellwig <hch@...radead.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/4] PCI / iommu / thunderbolt: IOMMU based DMA
 protection

On Thu, Nov 29, 2018 at 06:51:49PM +0300, Mika Westerberg wrote:
> Recent systems with Thunderbolt ports may be utilizing IOMMU to prevent DMA
> attacks. This is different from the previous security level based scheme
> because the connected device cannot access system memory outside of the
> regions allocated for it by the driver.

Applied all to thunderbolt.git/next with acks from Bjorn and Rafael.