Merge branch kvm-arm64/single-step-async-exception into kvmarm-master/next

* kvm-arm64/single-step-async-exception:
  : .
  : Single-step fixes from Reiji Watanabe:
  :
  : "This series fixes two bugs of single-step execution enabled by
  : userspace, and add a test case for KVM_GUESTDBG_SINGLESTEP to
  : the debug-exception test to verify the single-step behavior."
  : .
  KVM: arm64: selftests: Add a test case for KVM_GUESTDBG_SINGLESTEP
  KVM: arm64: selftests: Refactor debug-exceptions to make it amenable to new test cases
  KVM: arm64: Clear PSTATE.SS when the Software Step state was Active-pending
  KVM: arm64: Preserve PSTATE.SS for the guest while single-step is enabled

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