Qubes, or Xen, has total of three virtualization modes: PVH, PV, HVM.
My first question is: what is their difference in security and usage standpoint?
My second question is: what is their usecase?
Like, if I have to use windows, its virtualization mode has to be HVM due to use its kernel (I am not sure), however, mirageOS (mirage-firewall), which uses unikernel, using PV mode instead of HVM. Then why? When should I use PV or HVM?