KVM: x86/mmu: Rename reset_rsvds_bits_mask()

Rename reset_rsvds_bits_mask() to reset_guest_rsvds_bits_mask() to make
it clearer that it resets the reserved bits check for guest's page table
entries.

Signed-off-by: Kai Huang <kai.huang@intel.com>
Message-Id: <efdc174b85d55598880064b8bf09245d3791031d.1650363789.git.kai.huang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu/mmu.c

@@ -4442,8 +4442,8 @@ static bool guest_can_use_gbpages(struct kvm_vcpu *vcpu)
 			     guest_cpuid_has(vcpu, X86_FEATURE_GBPAGES);
 }
 
-static void reset_rsvds_bits_mask(struct kvm_vcpu *vcpu,
-				  struct kvm_mmu *context)
+static void reset_guest_rsvds_bits_mask(struct kvm_vcpu *vcpu,
+					struct kvm_mmu *context)
 {
 	__reset_rsvds_bits_mask(&context->guest_rsvd_check,
 				vcpu->arch.reserved_gpa_bits,
@@ -4742,7 +4742,7 @@ static void reset_guest_paging_metadata(struct kvm_vcpu *vcpu,
 	if (!is_cr0_pg(mmu))
 		return;
 
-	reset_rsvds_bits_mask(vcpu, mmu);
+	reset_guest_rsvds_bits_mask(vcpu, mmu);
 	update_permission_bitmask(mmu, false);
 	update_pkru_bitmask(mmu);
 }