[Virtio-fs] [PATCH for-7.2] vhost: enable vrings in vhost_dev_start() for vhost-user devices

[Michael S. Tsirkin]

On Thu, Dec 01, 2022 at 10:14:39AM +0000, Alex Bennée wrote:
> Do you think rust-vmm's vhost crates have enough of the state
> management to manage vhost and vhost-user backends? Maybe it would be a
> good experiment in replacing a (small well defined) piece of
> functionality with rust?
> 
> That said there is a lot of deep magic in the vhost-net stuff which I
> think is down to the interaction with things like vdpk and other network
> optimisations that might be missing. For the rest of the devices most of
> the code is basically boiler plate which has grown variations due to
> code motion and change. This is the sort of thing that generics solves
> well.

Not sure what you want to replace with what though, libvhost-user or
vhost-user bits in qemu?

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MST