Merge branch kvm-arm64/lpa2 into kvmarm-master/next

Merge branch kvm-arm64/lpa2 into kvmarm-master/next

* kvm-arm64/lpa2:
  : .
  : Support FEAT_LPA2 at EL2 S1 and S2, courtesy of Ryan Roberts
  :
  : From the cover letter:
  :
  : "This adds support for FEAT_LPA2 to KVM for both hypervisor stage 1 (for the
  : nvhe/protected modes) and the vm stage 2 translation tables (for all modes).
  : FEAT_LPA2 enables 52 bit PAs and VAs for 4KB and 16KB granules (note this is
  : already supported for 64KB granules via the FEAT_LPA and FEAT_LVA extensions)."
  : .
  KVM: arm64: Use helpers to classify exception types reported via ESR
  KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes
  KVM: selftests: arm64: Determine max ipa size per-page size
  KVM: arm64: Allow guests with >48-bit IPA size on FEAT_LPA2 systems
  KVM: arm64: Support up to 5 levels of translation in kvm_pgtable
  KVM: arm64: Convert translation level parameter to s8
  KVM: arm64: Use LPA2 page-tables for stage2 and hyp stage1
  KVM: arm64: Add new (V)TCR_EL2 field definitions for FEAT_LPA2
  arm64: Add ARM64_HAS_LPA2 CPU capability
  arm64/mm: Add FEAT_LPA2 specific ID_AA64MMFR0.TGRAN[2]
  arm64/mm: Update tlb invalidation routines for FEAT_LPA2
  arm64/mm: Add lpa2_is_enabled() kvm_lpa2_is_enabled() stubs
  arm64/mm: Modify range-based tlbi to decrement scale

Signed-off-by: Marc Zyngier <maz@kernel.org>