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authorChristian Borntraeger <borntraeger@de.ibm.com>2011-11-17 11:00:44 +0100
committerAvi Kivity <avi@redhat.com>2011-11-17 16:25:52 +0200
commit52e16b185fdd0aeb0522c203e944873e38ac1575 (patch)
tree4a48a7e9d544a230a024047ca0f93ea529adbf7f /arch/s390/kvm
parent1eddb85f889a5a9fe59ec184e06844716a00aded (diff)
downloadop-kernel-dev-52e16b185fdd0aeb0522c203e944873e38ac1575.zip
op-kernel-dev-52e16b185fdd0aeb0522c203e944873e38ac1575.tar.gz
KVM: s390: announce SYNC_MMU
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> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r--arch/s390/kvm/kvm-s390.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0891926..d1c44573 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -128,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext)
switch (ext) {
case KVM_CAP_S390_PSW:
case KVM_CAP_S390_GMAP:
+ case KVM_CAP_SYNC_MMU:
r = 1;
break;
default:
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