From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Mario.Limonciello@dell.com
Cc: iommu@lists.linux-foundation.org, joro@8bytes.org,
dwmw2@infradead.org, baolu.lu@linux.intel.com,
ashok.raj@intel.com, bhelgaas@google.com, rjw@rjwysocki.net,
jacob.jun.pan@intel.com, andreas.noever@gmail.com,
michael.jamet@intel.com, YehezkelShB@gmail.com, lukas@wunner.de,
ckellner@redhat.com, anthony.wong@canonical.com,
linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/4] thunderbolt: Export IOMMU based DMA protection support to userspace
Date: Tue, 13 Nov 2018 12:36:16 +0200 [thread overview]
Message-ID: <20181113103616.GQ2500@lahna.fi.intel.com> (raw)
In-Reply-To: <d4d2488e85174cff9ab8c641336d5919@ausx13mpc120.AMER.DELL.COM>
On Mon, Nov 12, 2018 at 04:22:25PM +0000, Mario.Limonciello@dell.com wrote:
> > +DMA protection utilizing IOMMU
> > +------------------------------
> > +Recent systems shipping with Windows 10 version 1803 or later may support a
> > +feature called `Kernel DMA Protection for Thunderbolt 3`_. This means that
>
> Keep in mind there will be systems that ship with Linux that enable this feature too ;)
Yes, you are absolutely right. I sometimes forgot that fact ;-)
> It might be better to make it time frame and platform firmware oriented as it's
> entirely possible for an OEM to have a field firmware upgrade that may enable this
> functionality from the platform and allow an end user to upgrade to a sufficiently
> protected kernel or Windows OS to take advantage of it.
I agree. I will update this in the next version.
next prev parent reply other threads:[~2018-11-13 10:36 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 16:06 [PATCH 0/4] PCI / iommu / thunderbolt: IOMMU based DMA protection Mika Westerberg
[not found] ` <20181112160628.86620-1-mika.westerberg-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-11-12 16:06 ` [PATCH 1/4] PCI / ACPI: Identify external PCI devices Mika Westerberg
2018-11-12 16:06 ` Mika Westerberg
2018-11-12 18:02 ` Lukas Wunner
[not found] ` <20181112180203.lx72gjfplb6xlur7-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2018-11-13 10:56 ` Lorenzo Pieralisi
2018-11-13 10:56 ` Lorenzo Pieralisi
2018-11-13 11:27 ` Mika Westerberg
[not found] ` <20181113112700.GT2500-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2018-11-13 11:45 ` Lorenzo Pieralisi
2018-11-13 11:45 ` Lorenzo Pieralisi
2018-11-15 10:22 ` Mika Westerberg
2018-11-15 11:13 ` Lorenzo Pieralisi
[not found] ` <20181115111356.GA599-4tUPXFaYRHv6sAKXYmQ0tx/iLCjYCKR+VpNB7YpNyf8@public.gmane.org>
2018-11-15 11:37 ` Mika Westerberg
2018-11-15 11:37 ` Mika Westerberg
2018-11-15 12:07 ` Lukas Wunner
2018-11-15 12:16 ` Mika Westerberg
2018-11-15 17:46 ` Lorenzo Pieralisi
2018-11-15 17:58 ` Yehezkel Bernat
2018-11-15 17:58 ` Yehezkel Bernat
2018-11-15 19:10 ` Mika Westerberg
2018-11-15 19:27 ` Lukas Wunner
2018-11-15 19:32 ` Mika Westerberg
2018-11-16 9:18 ` Christoph Hellwig
2018-11-16 9:32 ` Mika Westerberg
2018-11-22 10:48 ` Mika Westerberg
2018-11-22 10:59 ` Christoph Hellwig
2018-11-15 19:00 ` Mika Westerberg
2018-11-15 19:33 ` Mario.Limonciello
2018-11-15 19:33 ` Mario.Limonciello
2018-11-16 10:57 ` Lorenzo Pieralisi
2018-11-20 21:43 ` Rafael J. Wysocki
2018-11-21 12:40 ` Lorenzo Pieralisi
2018-11-16 7:01 ` Mika Westerberg
2018-11-12 16:06 ` [PATCH 2/4] iommu/vt-d: Force IOMMU on for platform opt in hint Mika Westerberg
2018-11-12 16:06 ` Mika Westerberg
2018-11-12 17:49 ` Raj, Ashok
2018-11-12 18:09 ` Alex Williamson
2018-11-12 19:51 ` Raj, Ashok
2018-11-12 16:06 ` [PATCH 3/4] iommu/vt-d: Do not enable ATS for external devices Mika Westerberg
2018-11-12 17:53 ` Raj, Ashok
2018-11-12 16:06 ` [PATCH 4/4] thunderbolt: Export IOMMU based DMA protection support to userspace Mika Westerberg
2018-11-12 16:22 ` Mario.Limonciello
2018-11-12 16:22 ` Mario.Limonciello
2018-11-13 10:36 ` Mika Westerberg [this message]
2018-11-12 16:59 ` Yehezkel Bernat
2018-11-13 10:55 ` Mika Westerberg
2018-11-13 11:13 ` Yehezkel Bernat
2018-11-13 11:40 ` Mika Westerberg
2018-11-13 14:42 ` Yehezkel Bernat
[not found] ` <CA+CmpXt1cfqjz94=WsggKpNCUw3761-cewa_HTa0ETcYK7o+Hw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-11-13 15:20 ` Mika Westerberg
[not found] ` <20181113152038.GD2500-3PARRvDOhMZrdx17CPfAsdBPR1lH4CV8@public.gmane.org>
2018-11-13 15:38 ` Yehezkel Bernat
2018-11-13 15:38 ` Yehezkel Bernat
[not found] ` <CA+CmpXteN1PJEHMV8rvfeBXK6Eb4z6BgZwa8Ojavi1y9pKN-jA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-11-13 16:12 ` Mika Westerberg
2018-11-13 16:12 ` Mika Westerberg
2018-11-12 18:12 ` [PATCH 0/4] PCI / iommu / thunderbolt: IOMMU based DMA protection Lukas Wunner
[not found] ` <20181112181214.xaahc5wni4vuwl6h-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2018-11-12 19:04 ` Yehezkel Bernat
2018-11-12 19:04 ` Yehezkel Bernat
2018-11-13 11:13 ` Mika Westerberg
2018-11-13 11:13 ` Mika Westerberg
2018-11-13 8:54 ` Joerg Roedel
2018-11-13 11:32 ` Mika Westerberg
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