Hi Andrew, On 30/07/2020 20:46, Andrew Cooper wrote:
On 30/07/2020 09:31, Paul Durrant wrote: In between these two hypercalls from the utility, the guest can do a v1=>v2 or v2=>v1 switch and make the resource spontaneously appear or disappear.
This can only happen on platform where grant-table v2 is enabled. Where this is not enabled (e.g Arm), then I think we want to return 0 as there is nothing to map.
Cheers, -- Julien Grall