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SubjectRe: [PATCH net-next 5/6] vsock: use local transport when it is loaded
On Thu, Nov 21, 2019 at 09:46:14AM +0000, Stefan Hajnoczi wrote:
> On Tue, Nov 19, 2019 at 12:01:20PM +0100, Stefano Garzarella wrote:
> > @@ -420,9 +436,10 @@ int vsock_assign_transport(struct vsock_sock *vsk, struct vsock_sock *psk)
> > new_transport = transport_dgram;
> > break;
> > case SOCK_STREAM:
> > - if (remote_cid <= VMADDR_CID_HOST ||
> > - (transport_g2h &&
> > - remote_cid == transport_g2h->get_local_cid()))
> > + if (vsock_use_local_transport(remote_cid))
> > + new_transport = transport_local;
> > + else if (remote_cid == VMADDR_CID_HOST ||
> > + remote_cid == VMADDR_CID_HYPERVISOR)
> > new_transport = transport_g2h;
> > else
> > new_transport = transport_h2g;
>
> We used to send VMADDR_CID_RESERVED to the host. Now we send
> VMADDR_CID_RESERVED (LOCAL) to the guest when there is no
> transport_local loaded?
>
> If this is correct, is there a justification for this change? It seems
> safest to retain existing behavior.

You're right, I'll revert this change in v2.

Thanks,
Stefano

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