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SubjectRe: [RFC PATCH 11/13] vsock: add 'transport_hg' to handle g2h\h2g transports
On Wed, Oct 09, 2019 at 02:16:43PM +0100, Stefan Hajnoczi wrote:
> On Fri, Sep 27, 2019 at 01:27:01PM +0200, Stefano Garzarella wrote:
> > VMCI transport provides both g2h and h2g behaviors in a single
> > transport.
> > We are able to set (or not) the g2h behavior, detecting if we
> > are in a VMware guest (or not), but the h2g feature is always set.
> > This prevents to load other h2g transports while we are in a
> > VMware guest.
>
> In the vhost_vsock.ko case we only register the h2g transport when
> userspace has loaded the module (by opening /dev/vhost-vsock).
>
> VMCI has something kind of similar: /dev/vmci and the
> vmci_host_active_users counter. Maybe we can use this instead of
> introducing the transport_hg concept?

Yes, maybe we can register the host in the vmci_host_do_init_context().

I also don't like a lot the transport_hg concept, so I'll try to found
an alternative.

Thanks,
Stefano

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