KVM: arm64: Rename 'struct pkvm_hyp_vm::lock' to 'pgtable_lock'

In preparation for finer-grained locking of guest data structures,
rename the 'lock' field of 'struct pkvm_hyp_vm' to 'pgtable_lock' to
indicate that its scope is limited to the stage-2 page-table of the
guest.

Signed-off-by: Will Deacon <will@kernel.org>
2 files changed