KVM: s390: enable CMMA if the interpration is available

Now that we can detect if collaborative-memory-management interpretation
is available, replace the heuristic by a real hardware detection.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index e477c8e5b5c1..005e664f6360 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -485,9 +485,8 @@ static int kvm_s390_set_mem_control(struct kvm *kvm, struct kvm_device_attr *att
         unsigned int idx;
         switch (attr->attr) {
         case KVM_S390_VM_MEM_ENABLE_CMMA:
-                /* enable CMMA only for z10 and later (EDAT_1) */
                 ret = -EINVAL;
-                if (!MACHINE_IS_LPAR || !MACHINE_HAS_EDAT1)
+                if (!sclp.has_cmma)
                         break;
 
                 ret = -EBUSY;