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From: Joerg Roedel <Joerg.Roedel@amd.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Andreas Hartmann <andihartmann@01019freenet.de>,
	Chris Sanders <sanders.chris@gmail.com>, <kvm@vger.kernel.org>
Subject: Re: AMD KVM Pci Passthrough reports device busy
Date: Wed, 6 Jun 2012 12:11:05 +0200	[thread overview]
Message-ID: <20120606101105.GD757@amd.com> (raw)
In-Reply-To: <1338906425.23475.186.camel@bling.home>

On Tue, Jun 05, 2012 at 08:27:05AM -0600, Alex Williamson wrote:
> Joerg, the question is whether the multifunction device above allows
> peer-to-peer between functions that could bypass the iommu.  If not, we
> can make it the first entry in device specific acs enabled function I
> proposed:
> 
> https://lkml.org/lkml/2012/5/30/438
> 
> and it would greatly simplify assigning PCI devices on these systems
> with VFIO.  Thanks,

Hm, good question. I will ask around and let you know what I find out.

Regards,

	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632


  parent reply	other threads:[~2012-06-06 10:11 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-04 21:11 AMD KVM Pci Passthrough reports device busy Chris Sanders
2012-06-05  3:44 ` Alex Williamson
2012-06-05 10:39   ` Andreas Hartmann
2012-06-05 14:27     ` Alex Williamson
2012-06-05 15:17       ` Andreas Hartmann
2012-06-05 15:48         ` Alex Williamson
2012-06-05 15:58         ` Andreas Hartmann
2012-06-05 16:19           ` Alex Williamson
2012-06-05 16:55             ` Andreas Hartmann
2012-06-05 18:43               ` Alex Williamson
2012-06-05 20:37                 ` Andreas Hartmann
2012-06-05 21:09                   ` Alex Williamson
2012-06-05 22:02                     ` Andreas Hartmann
2012-06-06  8:12               ` Andreas Hartmann
2012-06-06  8:46                 ` Andreas Hartmann
2012-06-06  9:35                   ` Andreas Hartmann
2012-06-06 16:39                 ` Alex Williamson
2012-06-06 19:17                   ` Andreas Hartmann
2012-06-06 10:11       ` Joerg Roedel [this message]
2012-06-25  5:55         ` Andreas Hartmann
2012-06-25 11:22           ` Joerg Roedel
2012-07-11 14:26         ` Andreas Hartmann
2012-07-11 16:58           ` Joerg Roedel
2012-07-11 19:32             ` Andreas Hartmann
2012-07-11 20:01               ` Alex Williamson
2012-06-06  1:32     ` sheng qiu
2012-06-06  3:07       ` Chris Sanders
2012-06-06  3:25         ` Alex Williamson
2012-06-06  3:31           ` Chris Sanders
2012-06-06  5:27             ` Alex Williamson

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