KVM: s390: document KVM_CAP_S390_RI

We forgot to document that capability, let's add documentation. Reviewed-by: Christian Borntraeger <[email protected]> Signed-off-by: David Hildenbrand <[email protected]> Signed-off-by: Christian Borntraeger <[email protected]>
lucamilanesio · May 9, 2016 · 051c87f · 051c87f
1 parent 053dd23
commit 051c87f
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
@@ -3788,6 +3788,14 @@ a KVM_EXIT_IOAPIC_EOI vmexit will be reported to userspace.
 Fails if VCPU has already been created, or if the irqchip is already in the
 kernel (i.e. KVM_CREATE_IRQCHIP has already been called).
 
+7.6 KVM_CAP_S390_RI
+
+Architectures: s390
+Parameters: none
+
+Allows use of runtime-instrumentation introduced with zEC12 processor.
+Will return -EINVAL if the machine does not support runtime-instrumentation.
+Will return -EBUSY if a VCPU has already been created.
 
 8. Other capabilities.
 ----------------------