> From: Stefano Garzarella [mailto:sgarzare@xxxxxxxxxx] > Sent: Friday, February 14, 2020 2:08 PM > To: mtk.manpages@xxxxxxxxx > Cc: Jorgen Hansen <jhansen@xxxxxxxxxx>; linux-man@xxxxxxxxxxxxxxx; > Stefan Hajnoczi <stefanha@xxxxxxxxxx>; Dexuan Cui > <decui@xxxxxxxxxxxxx>; netdev@xxxxxxxxxxxxxxx > Subject: [PATCH v2] vsock.7: add VMADDR_CID_LOCAL description > > Linux 5.6 added the new well-known VMADDR_CID_LOCAL for local > communication. > > This patch explains how to use it and remove the legacy > VMADDR_CID_RESERVED no longer available. > > Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx> > --- > v2: > * rephrased "Local communication" description [Stefan] > * added a mention of previous versions that supported > loopback only in the guest [Stefan] > --- > @@ -222,6 +232,11 @@ are valid. > Support for VMware (VMCI) has been available since Linux 3.9. > KVM (virtio) is supported since Linux 4.8. > Hyper-V is supported since Linux 4.14. > +.PP > +VMADDR_CID_LOCAL is supported since Linux 5.6. > +Local communication in the guest and on the host is available since Linux > 5.6. > +Previous versions partially supported it only in the guest and only > +with some transports (VMCI and virtio). Maybe rephrase the last part slightly to something like: Previous versions only supported local communication within a guest (not on the host), and only with some transports (VMCI and virtio). Otherwise, looks good to me. Thanks for making this update. Reviewed-by: Jorgen Hansen <jhansen@xxxxxxxxxx>
