Re: [Qemu-devel] [PATCH] net: Add persistent flag to -net tap option

[Eric Blake <eblake@redhat.com>]

On 12/15/2014 05:05 AM, Roy Vardi wrote:
> From: Roy Vardi <royv@ezchip.com>
> 
>     Add 'persistent' boolean flag to -net tap option.
>     When set to off - tap interface will be released on shutdown
>     When set to on\not specified - tap interface will remain
> 
>     Running with -net tap,persistent=off will force the tap interface
>     down when qemu goes down, thus ensuring that there're no zombie tap
>     interfaces left
> 
>     This is achieved using another ioctl
> 
>     Note: This commit includes the above support only for linux systems
> 
> Signed-off-by: Roy Vardi <royv@ezchip.com>
> ---

> +++ b/qapi-schema.json
> @@ -2007,6 +2007,8 @@
>  #
>  # @queues: #optional number of queues to be created for multiqueue capable tap
>  #
> +# @persistent: #optional for opening tap in persistent mode

Missing a '(since 2.3)' designator; also might be worth mentioning that
the default is true if omitted.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org