Re: [PATCH 0/2] vdpa: Block vq property change in DRIVER_OK

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On Mon, 2023-12-25 at 09:40 -0500, Michael S. Tsirkin wrote:
> On Mon, Dec 25, 2023 at 03:42:08PM +0200, Dragos Tatulea wrote:
> > This series prevents the change of virtqueue address or state when a
> > device is in DRIVER_OK and not suspended. The virtio spec doesn't
> > allow changing virtqueue addresses and state in DRIVER_OK, but some devices
> > do support this operation when the device is suspended. The series
> > leaves the door open for these devices.
> > 
> > The series was suggested while discussing the addition of resumable
> > virtuque support in the mlx5_vdpa driver [0].
> 
> 
> I am confused. Isn't this also included in
>  vdpa/mlx5: Add support for resumable vqs
> 
> do you now want this merged separately?
The discussion in the linked thread lead to having 2 series that are
independent: this series and the original v2 of of the "vdpa/mlx5: Add support
for resumable vqs" series (for which I will send a v5 now that is same as v2 +
Acked-by tags).

> 
> > [0] https://lore.kernel.org/virtualization/20231219180858.120898-1-dtatulea@xxxxxxxxxx/T/#m044ddf540d98a6b025f81bffa058ca647a3d013e
> > 
> > Dragos Tatulea (2):
> >   vdpa: Track device suspended state
> >   vdpa: Block vq property changes in DRIVER_OK
> > 
> >  drivers/vhost/vdpa.c | 23 +++++++++++++++++++++--
> >  1 file changed, 21 insertions(+), 2 deletions(-)
> > 
> > -- 
> > 2.43.0
> 





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