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Re: [Qemu-devel] [PATCH v2 1/4] virtio-pci: add flags to enable/disable
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 1/4] virtio-pci: add flags to enable/disable legacy/modern |
Date: |
Tue, 17 Feb 2015 09:42:50 +0100 |
On Tue, Feb 17, 2015 at 09:23:35AM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > Should we forbid setting both legacy and modern at the same time?
>
> No, this is explicitly allowed in the spec and it is needed for the
> transition from legacy to modern.
>
> cheers,
> Gerd
But !legacy && !modern aren't legal together, correct?
[Qemu-devel] [PATCH v2 2/4] virtio-pci: make QEMU_VIRTIO_PCI_QUEUE_MEM_MULT smaller, Gerd Hoffmann, 2015/02/16
[Qemu-devel] [PATCH v2 4/4] virtio-pci: make modern bar 64bit prefetchable, Gerd Hoffmann, 2015/02/16
[Qemu-devel] [PATCH v2 3/4] virtio-pci: make pci bars configurable, Gerd Hoffmann, 2015/02/16