tree 5e94bc36afc74f3dca968131066c90e53b8ee3ea
parent 83644291cf9986a1887c984ff0d86e3d7930eacb
author Andrew Scull <ascull@google.com> 1538661746 +0100
committer Andrew Scull <ascull@google.com> 1539099399 +0100

Allow messages to be sent between all VMs.

Any VM can send a message to any other VM. The hypervisor acts as a
router to deliver the message to the destination but does not track
higher level state about the communications.

When receiving a message, the source VM is reported so access controls
can be applies and replies can be sent back.

Bug: 116705004
Change-Id: Ib83988eb8ddee1753dfd67a3baa3fb991ebd4dd7