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Message-ID: <1386707357.10013.114.camel@snotra.buserror.net>
Subject: Re: [PATCH 0/9 v2] vfio-pci: add support for Freescale IOMMU (PAMU)
From: Scott Wood <scottwood@freescale.com>
To: "Bharat.Bhushan@freescale.com" <Bharat.Bhushan@freescale.com>
CC: "'Wood Scott-B07421'" <scottwood@freescale.com>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "agraf@suse.de" <agraf@suse.de>,
        "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>,
        Stuart Yoder <stuart.yoder@freescale.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        "bhelgaas@google.com" <bhelgaas@google.com>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date: Tue, 10 Dec 2013 14:29:17 -0600
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My e-mail address is <scottwood@freescale.com>, not
<IMCEAEX-_O=MMS_OU=EXTERNAL+20+28FYDIBOHF25SPDLT
+29_CN=RECIPIENTS_CN=F0FAAC8D7E74473A9EE1C45B068D838A@namprd03.prod.outlook.com>

On Tue, 2013-12-10 at 05:37 +0000, Bharat.Bhushan@freescale.com wrote:
> 
> > -----Original Message-----
> > From: Wood Scott-B07421
> > Sent: Saturday, December 07, 2013 12:55 AM
> > To: Bhushan Bharat-R65777
> > Cc: Alex Williamson; linux-pci@vger.kernel.org; agraf@suse.de; Yoder Stuart-
> > B08248; iommu@lists.linux-foundation.org; bhelgaas@google.com; linuxppc-
> > dev@lists.ozlabs.org; linux-kernel@vger.kernel.org
> > Subject: Re: [PATCH 0/9 v2] vfio-pci: add support for Freescale IOMMU (PAMU)
> > 
> > If the administrator does not opt into this partial loss of isolation, then once
> > you run out of MSI groups, new users should not be able to set up MSIs.
> 
> So mean vfio should use Legacy when out of MSI banks?

Yes, if the administrator hasn't granted permission to share.

-Scott