Merge branch 'for-next/pkvm-guest' into for-next/core

* for-next/pkvm-guest:
  arm64: smccc: Reserve block of KVM "vendor" services for pKVM hypercalls
  drivers/virt: pkvm: Intercept ioremap using pKVM MMIO_GUARD hypercall
  arm64: mm: Add confidential computing hook to ioremap_prot()
  drivers/virt: pkvm: Hook up mem_encrypt API using pKVM hypercalls
  arm64: mm: Add top-level dispatcher for internal mem_encrypt API
  drivers/virt: pkvm: Add initial support for running as a protected guest
  firmware/smccc: Call arch-specific hook on discovering KVM services