Thread (51 messages) flat view 51 messages, 4 authors, 2025-07-29

Re: [RFC PATCH net-next v6 02/14] af_vsock: refactor transport lookup code

From: Amery Hung <hidden>
Date: 2024-07-28 22:10:30
Also in: bpf, kvm, linux-hyperv, lkml, virtualization

On Wed, Jul 24, 2024 at 11:41 PM Arseniy Krasnov
[off-list ref] wrote:
Hi

+static const struct vsock_transport *
+vsock_connectible_lookup_transport(unsigned int cid, __u8 flags)
                                                      ^^^ may be just 'u8' ?
+{
+       const struct vsock_transport *transport;
                                       ^^^ do we really need this variable now?
                                       May be shorter like:
                                       if (A)
                                           return transport_local;
                                       else if (B)
                                           return transport_g2h;
                                       else
                                           return transport_h2g;
Looks good to me. Will change it in the next version.

Thanks,
Amery
+
+       if (vsock_use_local_transport(cid))
+               transport = transport_local;
+       else if (cid <= VMADDR_CID_HOST || !transport_h2g ||
+                (flags & VMADDR_FLAG_TO_HOST))
+               transport = transport_g2h;
+       else
+               transport = transport_h2g;
+
+       return transport;
+}
+

Thanks
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