diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3b9e1b8de6cb..8ab8349d6126 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -418,6 +418,7 @@ bool cc_platform_has(enum cc_attr attr)
 {
 	switch (attr) {
 	case CC_ATTR_MEM_ENCRYPT:
+	case CC_ATTR_GUEST_MEM_ENCRYPT:
 		return is_realm_world() || is_protected_kvm_guest();
 	default:
 		return false;
diff --git a/arch/powerpc/platforms/pseries/cc_platform.c b/arch/powerpc/platforms/pseries/cc_platform.c
index e8021af83a19..46e110a5a717 100644
--- a/arch/powerpc/platforms/pseries/cc_platform.c
+++ b/arch/powerpc/platforms/pseries/cc_platform.c
@@ -17,6 +17,7 @@ bool cc_platform_has(enum cc_attr attr)
 {
 	switch (attr) {
 	case CC_ATTR_MEM_ENCRYPT:
+	case CC_ATTR_GUEST_MEM_ENCRYPT:
 		return is_secure_guest();
 
 	default:
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c29326c44af0..6b1c5a4fa9ce 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -148,6 +148,7 @@ bool cc_platform_has(enum cc_attr attr)
 {
 	switch (attr) {
 	case CC_ATTR_MEM_ENCRYPT:
+	case CC_ATTR_GUEST_MEM_ENCRYPT:
 		return is_prot_virt_guest();
 
 	default: