From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: David Gibson <david@gibson.dropbear.id.au>,
dwmw2@infradead.org, iommu@lists.linux-foundation.org,
aik@ozlabs.ru, qemu-devel@nongnu.org, alex.williamson@redhat.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] Device isolation group infrastructure (v3)
Date: Thu, 09 Feb 2012 08:39:28 +1100 [thread overview]
Message-ID: <1328737168.2903.35.camel@pasglop> (raw)
In-Reply-To: <20120208152748.GD22598@amd.com>
On Wed, 2012-02-08 at 16:27 +0100, Joerg Roedel wrote:
> Again, device grouping is done by the IOMMU drivers, so this all
> belongs
> into the generic iommu-code rather than the driver core.
Except that there isn't really a "generic iommu code"... discovery,
initialization & matching of iommu vs. devices etc... that's all
implemented in the arch specific iommu code.
Cheers,
Ben.
> I think it makes sense to introduce a device->iommu pointer which
> depends on CONFIG_IOMMU_API and put the group information into it.
> This also has the benefit that we can consolidate all the
> device->arch.iommu pointers into device->iommu as well.
>
>
next prev parent reply other threads:[~2012-02-08 21:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-01 4:46 RFC: Device isolation groups David Gibson
2012-02-01 4:46 ` [PATCH 1/3] Device isolation group infrastructure (v3) David Gibson
2012-02-08 15:27 ` Joerg Roedel
2012-02-08 21:39 ` Benjamin Herrenschmidt [this message]
2012-02-09 11:28 ` Joerg Roedel
2012-02-10 0:21 ` David Gibson
2012-02-08 21:43 ` Benjamin Herrenschmidt
2012-02-09 1:40 ` David Gibson
2012-02-01 4:46 ` [PATCH 2/3] device_isolation: Support isolation on POWER p5ioc2 bridges David Gibson
2012-02-01 18:58 ` Alex Williamson
2012-02-01 19:15 ` Alex Williamson
2012-02-01 4:46 ` [PATCH 3/3] device_isolation: Support isolation on POWER p7ioc (IODA) bridges David Gibson
2012-02-01 19:17 ` Alex Williamson
2012-02-02 0:23 ` David Gibson
2012-02-01 20:08 ` RFC: Device isolation groups Alex Williamson
2012-02-02 1:24 ` David Gibson
2012-02-29 19:30 ` Alex Williamson
2012-03-09 3:40 ` David Gibson
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=1328737168.2903.35.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=aik@ozlabs.ru \
--cc=alex.williamson@redhat.com \
--cc=david@gibson.dropbear.id.au \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joerg.roedel@amd.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).