> On 29 Apr 2021, at 14:10, Jan Beulich <jbeul...@suse.com> wrote:
>
> With there being a way to disable v2 support, telling new guests to use
> v2 exclusively is not a good suggestion.
>
> Signed-off-by: Jan Beulich <jbeul...@suse.com>
>
> --- a/xen/include/public/grant_table.h
> +++ b/xen/include/public/grant_table.h
> @@ -121,8 +121,10 @@ typedef uint32_t grant_ref_t;
> */
>
> /*
> - * Version 1 of the grant table entry structure is maintained purely
> - * for backwards compatibility. New guests should use version 2.
> + * Version 1 of the grant table entry structure is maintained largely for
> + * backwards compatibility. New guests are recommended to support using
> + * version 2 to overcome version 1 limitations, but to be able to fall back
> + * to version 1.
> */
> #if __XEN_INTERFACE_VERSION__ < 0x0003020a
> #define grant_entry_v1 grant_entry
>
Reviewed-by: Luca Fancellu <luca.fance...@arm.com>
Cheers,
Luca