From: Joerg Roedel <joerg.roedel@amd.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: "Han, Weidong" <weidong.han@intel.com>,
"'iommu@lists.linux-foundation.org'"
<iommu@lists.linux-foundation.org>,
"'Avi Kivity'" <avi@redhat.com>, "'kvm'" <kvm@vger.kernel.org>
Subject: Re: [PATCH] VT-d: fix PCI device detach from virtual machine
Date: Tue, 15 Jun 2010 16:10:24 +0200 [thread overview]
Message-ID: <20100615141023.GA15264@amd.com> (raw)
In-Reply-To: <1276557557.2063.43.camel@macbook.infradead.org>
On Mon, Jun 14, 2010 at 07:19:17PM -0400, David Woodhouse wrote:
> Why not just jump straight to the 'DMA proxy' device, and use that
> _only_?
Not sure about Intel chipsets, but on AMD chipset a legacy device can be
seen by the IOMMU with both device-ids, its own and the bridge device.
So the domain needs to be configured for both device-ids in the iommu
driver.
Joerg
next prev parent reply other threads:[~2010-06-15 14:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-26 9:31 [PATCH] VT-d: fix PCI device detach from virtual machine Han, Weidong
2010-06-14 23:19 ` David Woodhouse
2010-06-15 14:10 ` Joerg Roedel [this message]
2010-06-15 14:52 ` David Woodhouse
2010-06-17 3:35 ` Weidong Han
2010-06-17 8:49 ` David Woodhouse
2010-06-17 9:15 ` Weidong Han
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