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authorDavid Hildenbrand2015-11-25 11:02:26 +0100
committerChristian Borntraeger2016-06-21 09:43:39 +0200
commit19c439b564b05939b83876a687bd48389d0aebb5 (patch)
treed705805c43a58bf7dcd670af85ac40101e09d3ca /arch/s390/kvm/kvm-s390.c
parentKVM: s390: vsie: support run-time-instrumentation (diff)
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KVM: s390: vsie: support 64-bit-SCAO
Let's provide the 64-bit-SCAO facility to guest 2, so he can set up a SCA for guest 3 that has a 64 bit address. Please note that we already require the 64 bit SCAO for our vsie implementation, in order to forward the SCA directly (by pinning the page). Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
-rw-r--r--arch/s390/kvm/kvm-s390.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3fb124226e97..e0c5a57bf58b 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -265,6 +265,8 @@ static void kvm_s390_cpu_feat_init(void)
!test_facility(3))
return;
allow_cpu_feat(KVM_S390_VM_CPU_FEAT_SIEF2);
+ if (sclp.has_64bscao)
+ allow_cpu_feat(KVM_S390_VM_CPU_FEAT_64BSCAO);
}
int kvm_arch_init(void *opaque)