> On 7 Apr 2021, at 20:25, Jiang Wang . <jiang.wang@xxxxxxxxxxxxx> wrote: > > On Wed, Apr 7, 2021 at 2:51 AM Jorgen Hansen <jhansen@xxxxxxxxxx> wrote: >> >> >>> On 6 Apr 2021, at 20:31, Jiang Wang <jiang.wang@xxxxxxxxxxxxx> wrote: >>> >>> From: "jiang.wang" <jiang.wang@xxxxxxxxxxxxx> >>> >>> Currently, only VMCI supports dgram sockets. To supported >>> nested VM use case, this patch removes transport_dgram and >>> uses transport_g2h and transport_h2g for dgram too. >> >> Could you provide some background for introducing this change - are you >> looking at introducing datagrams for a different transport? VMCI datagrams >> already support the nested use case, > > Yes, I am trying to introduce datagram for virtio transport. I wrote a > spec patch for > virtio dgram support and also a code patch, but the code patch is still WIP. Oh ok. Cool. I must have missed the spec patch - could you provide a reference to it? > When I wrote this commit message, I was thinking nested VM is the same as > multiple transport support. But now, I realize they are different. > Nested VMs may use > the same virtualization layer(KVM on KVM), or different virtualization layers > (KVM on ESXi). Thanks for letting me know that VMCI already supported nested > use cases. I think you mean VMCI on VMCI, right? Right, only VMCI on VMCI. I’ll respond to Stefano’s email for the rest of the discussion. Thanks, Jorgen _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization