On 4/11/23 13:23, Michal Simek wrote: > Xen core calls HYPERVISOR_memory_op() in map_shared_info() which is just in > xen_init() called from init_sequence_r[]. > > Xen can run only on armv8 where HVC calls are implemented that's why enable > it only for arm64. Doesn't ARMv7a also support HYP mode ?