[patch 4/4] [PATCH] kvm: announce SYNC_MMU

[Carsten Otte <cotte@de.ibm.com>]

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From: Christian Borntraeger <borntraeger@de.ibm.com>

KVM on s390 always had a sync mmu. Any mapping change in userspace 
mapping was always reflected immediately in the guest mapping.
- In older code the guest mapping was just an offset
- In newer code the last level page table is shared

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
---

 arch/s390/kvm/kvm-s390.c |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -127,6 +127,7 @@ int kvm_dev_ioctl_check_extension(long e
 	switch (ext) {
 	case KVM_CAP_S390_PSW:
 	case KVM_CAP_S390_GMAP:
+	case KVM_CAP_SYNC_MMU:
 		r = 1;
 		break;
 	default: