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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: |
Wed, 18 Feb 2015 12:40:41 +0100 |
On Wed, Feb 18, 2015 at 11:32:55AM +0100, Gerd Hoffmann wrote:
> On Di, 2015-02-17 at 10:03 +0100, Gerd Hoffmann wrote:
> > On Di, 2015-02-17 at 09:42 +0100, Michael S. Tsirkin wrote:
> > > 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?
> >
> > That doesn't make sense indeed.
>
> What is the state of markus "convert pci to realize" patch series btw?
>
> Convert virtio-pci too, then throw an error in virtio_pci_realize would
> be the best way to catch this I think.
>
> cheers,
> Gerd
>
It's on my tree, will be upstream soon.
[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