[Virtio-fs] [PATCH 1/4] vhost: Re-enable vrings after setting features

[Michael S. Tsirkin]

On Thu, Apr 13, 2023 at 05:24:36PM +0300, Anton Kuchin wrote:
> But is there a valid use-case for logging some dirty memory but not all?
> I can't understand if this is a feature or a just flaw in specification.

IRC the use-case originally conceived was for shadow VQs.  If you use
shadow VQs the VQ access by backend does not change memory since shadow
VQ is not in memory. Not a practical concern right now but there you
have it.

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MST