Re: [Qemu-devel] [PATCH v3 0/4] VFIO-based PCI device assignment for QEMU 1.2

[Avi Kivity <avi@redhat.com>]

On 08/14/2012 11:32 PM, Alex Williamson wrote:
> v3:
>  - Incorporate feedback from Anthony, Avi, and Jan (Thank you!)
> 
> I've also added a new tag to my github tree, so those who have
> already reviewed can check the delta by comparing:
> 
> git://github.com/awilliam/qemu-vfio.git
> 	tags/vfio-pci-for-qemu-1.2
> 	tags/vfio-pci-for-qemu-1.2-v2
> 	tags/vfio-pci-for-qemu-1.2-v3
> 
> Blue Swirl already offered an Ack-by for previous version, I'll
> hope, but won't assume that carries forward.  Original description
> below with updated tag.  Thanks,
> 
> Alex
> 
> VFIO kernel support was just merged into Linux, so I'd like to
> formally propose inclusion of the QEMU vfio-pci driver for
> QEMU 1.2.  Included here is support for x86 PCI device assignment.
> PCI INTx is not yet enabled, but devices making use of either MSI
> or MSI-X work.  The level irqfd and eoifd support I've proposed
> for KVM enable an accelerated patch for this through KVM.  I'd
> like to get this base driver in first and enable the remaining
> support in-tree.
> 
> I've split this version up a little from the RFC to make it a bit
> easier to review.  Review comments from Blue Swirl and Avi are
> already incorporated, including Avi's requests to simplify both
> the PCI BAR mapping and unmapping paths.

Reviewed-by: Avi Kivity <avi@redhat.com>



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