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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100615141023.GA15264@amd.com \
--to=joerg.roedel@amd.com \
--cc=avi@redhat.com \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=kvm@vger.kernel.org \
--cc=weidong.han@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.