Merge tag 'for-linus-5.17-rc1-tag' of git://

Pull xen updates from Juergen Gross:

 - a fix for the Xen gntdev driver

 - a fix for running as Xen dom0 booted via EFI and the EFI framebuffer
   being located above 4GB

 - a series for support of mapping other guest's memory by using zone
   device when running as Xen guest on Arm

* tag 'for-linus-5.17-rc1-tag' of git://
  dt-bindings: xen: Clarify "reg" purpose
  arm/xen: Read extended regions from DT and init Xen resource
  xen/unpopulated-alloc: Add mechanism to use Xen resource
  xen/balloon: Bring alloc(free)_xenballooned_pages helpers back
  arm/xen: Switch to use gnttab_setup_auto_xlat_frames() for DT
  xen/unpopulated-alloc: Drop check for virt_addr_valid() in fill_list()
  xen/x86: obtain upper 32 bits of video frame buffer address for Dom0
  xen/gntdev: fix unmap notification order