Re: [Qemu-devel] [PATCH COLO-Frame v18 02/34] migration: Introduce capability 'x-colo' to migration

[Amit Shah]

On (Wed) 03 Aug 2016 [20:25:40], zhanghailiang wrote:
> We add helper function colo_supported() to indicate whether
> colo is supported or not, with which we use to control whether or not
> showing 'x-colo' string to users, they can use qmp command
> 'query-migrate-capabilities' or hmp command 'info migrate_capabilities'
> to learn if colo is supported.
> 
> Cc: Juan Quintela <address@hidden>
> Cc: Amit Shah <address@hidden>
> Cc: Eric Blake <address@hidden>
> Cc: Markus Armbruster <address@hidden>
> Signed-off-by: zhanghailiang <address@hidden>
> Signed-off-by: Li Zhijian <address@hidden>
> Signed-off-by: Gonglei <address@hidden>
> Reviewed-by: Eric Blake <address@hidden>


> +#include "qemu/osdep.h"
> +#include "migration/colo.h"
> +
> +bool colo_supported(void)
> +{
> +    return true;
> +}

Can you start with this disabled, and returning true when all the
pieces are done (ie close to the patches when the functionality is
actually useful later in the series?).