Re: [Qemu-devel] [PATCH v3 11/29] vhost+postcopy: Transmit 'listen' to client

[Peter Xu]

On Fri, Feb 16, 2018 at 01:16:07PM +0000, Dr. David Alan Gilbert (git) wrote:

[...]

>  typedef struct VuVirtqElement {
> diff --git a/docs/interop/vhost-user.txt b/docs/interop/vhost-user.txt
> index 621543e654..bdec9ec0e8 100644
> --- a/docs/interop/vhost-user.txt
> +++ b/docs/interop/vhost-user.txt
> @@ -682,6 +682,12 @@ Master message types
>        the slave must open a userfaultfd for later use.
>        Note that at this stage the migration is still in precopy mode.
>  
> + * VHOST_USER_POSTCOPY_LISTEN
> +      Id: 27
> +      Master payload: N/A
> +
> +      Master advises slave that a transition to postcopy mode has happened.

Could we add something to explain why this listen needs to be
broadcasted to clients?  Since I failed to find it out quickly
myself. :(

-- 
Peter Xu