linux-kernel - Re: [git pull] IOMMU Updates for v3.7-rc1

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Date:	Wed, 10 Oct 2012 23:02:31 +0100
From:	Andrew Oakley <andrew@....is-a-geek.net>
To:	Andrew Oakley <andrew@....is-a-geek.net>
Cc:	Joerg Roedel <joro@...tes.org>, iommu@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [git pull] IOMMU Updates for v3.7-rc1

On Wed, 10 Oct 2012 20:11:31 +0100
Andrew Oakley <andrew@....is-a-geek.net> wrote:
> If I modify the devid for the IOAPIC in init_iommu_from_acpi then it
> also seems to work.  I haven't managed to get vfio/qemu working yet
> but it seems to be unrelated ("Invalid ROM contents", same thing
> happens when I try to dump the rom with stable kernels).

I've now managed to get a network card passed through and working
properly in a guest.  The bug has been reported to the vendor so
hopefully it will get fixed in a BIOS update.

I'm not sure if the fix I've got is safe or if it's really a good idea
to enable interrupt remapping with a broken BIOS.

Thanks

-- 
Andrew Oakley
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