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SubjectRe: [PATCH RESEND V2] vdpa: introduce virtio pci driver
On Wed, Jun 10, 2020 at 02:16:26PM +0800, Jason Wang wrote:
>
> On 2020/6/10 下午2:07, Michael S. Tsirkin wrote:
> > On Wed, Jun 10, 2020 at 01:49:51PM +0800, Jason Wang wrote:
> > > This patch introduce a vDPA driver for virtio-pci device. It bridges
> > > the virtio-pci control command to the vDPA bus. This will be used for
> > > developing new features for both software vDPA framework and hardware
> > > vDPA feature.
> > >
> > > Compared to vdpa_sim, it has several advantages:
> > >
> > > - it's a real device driver which allow us to play with real hardware
> > > features
> > > - type independent instead of networking specific
> > >
> > > Note that since virtio specification does not support get/restore
> > > virtqueue state. So we can not use this driver for VM. This can be
> > > addressed by extending the virtio specification.
> > >
> > > Consider the driver is mainly for testing and development for vDPA
> > > features, it can only be bound via dynamic ids to make sure it's not
> > > conflict with the drivers like virtio-pci or IFCVF.
> > >
> > > Signed-off-by: Jason Wang<jasowang@redhat.com>
> > error: sha1 information is lacking or useless (drivers/vdpa/Kconfig).
> >
> > which tree is this on top of?
>
>
> Your vhost.git vhost branch, HEAD is bbea3bcfd1d6 vdpa: fix typos in the
> comments for __vdpa_alloc_device()
>
> Do I need to use other branch?
>
> Thanks

No it's ok, I am just wondering why doesn't it apply then.

>
> >

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