On 10/11/22 07:08, Elliot Berman wrote: > +The diagram below shows how message queue works. A typical configuration involves > +2 message queues. Message queue 1 allows VM_A to send messages to VM_B. Message > +queue 2 allows VM_B to send messages to VM_A. > + > +1. VM_A sends a message of up to 1024 bytes in length. It raises a hypercall > + with the message to inform the hypervisor to add the message to > + message queue 1's queue. > + > +2. Gunyah raises the corresponding interrupt for VM_B when any of these happens: > + a. gh_msgq_send has PUSH flag. Queue is immediately flushed. This is the typical case. > + b. Explicility with gh_msgq_push command from VM_A. > + c. Message queue has reached a threshold depth. > + > +3. VM_B calls gh_msgq_recv and Gunyah copies message to requested buffer. > + Seems like you forget to apply my suggestion fixes at [1]. [1]: https://lore.kernel.org/all/YzUUaIx+azyzFDNX@xxxxxxxxx/ Thanks. -- An old man doll... just what I always wanted! - Clara
