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[4/7] s390x/kvm: Enable KSS facility for nested virtualization

Message ID 1499961789-127874-5-git-send-email-borntraeger@de.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Christian Borntraeger July 13, 2017, 4:03 p.m. UTC 
From: Farhan Ali <alifm@linux.vnet.ibm.com>

If the host supports keyless subset (KSS) then first level
guest (G2) should enable KSS facility as well.

Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
 target/s390x/kvm.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Cornelia Huck July 14, 2017, 7:58 a.m. UTC | #1 
On Thu, 13 Jul 2017 18:03:06 +0200
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> From: Farhan Ali <alifm@linux.vnet.ibm.com>
> 
> If the host supports keyless subset (KSS) then first level
> guest (G2) should enable KSS facility as well.
> 
> Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
> Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
>  target/s390x/kvm.c | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Cornelia Huck <cohuck@redhat.com>
diff mbox

Patch

diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index 8c6cc0a..c773bd6 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -2508,6 +2508,7 @@  static int kvm_to_feat[][2] = {
     { KVM_S390_VM_CPU_FEAT_CMMA, S390_FEAT_SIE_CMMA },
     { KVM_S390_VM_CPU_FEAT_PFMFI, S390_FEAT_SIE_PFMFI},
     { KVM_S390_VM_CPU_FEAT_SIGPIF, S390_FEAT_SIE_SIGPIF},
+    { KVM_S390_VM_CPU_FEAT_KSS, S390_FEAT_SIE_KSS},
 };
 
 static int query_cpu_feat(S390FeatBitmap features)