Re: [RFC PATCH 01/24] vhost-vdpa: fix backend feature ioctls

[Jason Wang]

On 2020/9/24 下午3:50, Michael S. Tsirkin wrote:
> On Thu, Sep 24, 2020 at 11:21:02AM +0800, Jason Wang wrote:
> > Commit 653055b9acd4 ("vhost-vdpa: support get/set backend features")
> > introduces two malfunction backend features ioctls:
> >
> > 1) the ioctls was blindly added to vring ioctl instead of vdpa device
> >     ioctl
> > 2) vhost_set_backend_features() was called when dev mutex has already
> >     been held which will lead a deadlock
> >
> > This patch fixes the above issues.
> >
> > Cc: Eli Cohen<elic@xxxxxxxxxx>
> > Reported-by: Zhu Lingshan<lingshan.zhu@xxxxxxxxx>
> > Fixes: 653055b9acd4 ("vhost-vdpa: support get/set backend features")
> > Signed-off-by: Jason Wang<jasowang@xxxxxxxxxx>
> Don't we want the fixes queued right now, as opposed to the rest of the
> RFC?


Yes, actually I've posted in before[1].

Adding the patch here is to simplify the work for the guys that want to 
do the work on top. E.g for Cindy to start the Qemu prototype.

Thanks

[1] https://www.spinics.net/lists/netdev/msg681247.html