diff options
| -rw-r--r-- | Documentation/virtual/kvm/devices/s390_flic.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/s390_flic.txt b/Documentation/virtual/kvm/devices/s390_flic.txt index e3e314cb83e8..646f47470f98 100644 --- a/Documentation/virtual/kvm/devices/s390_flic.txt +++ b/Documentation/virtual/kvm/devices/s390_flic.txt @@ -94,3 +94,9 @@ struct kvm_s390_io_adapter_req { KVM_S390_IO_ADAPTER_UNMAP release a userspace page for the translated address specified in addr from the list of mappings + +Note: The KVM_SET_DEVICE_ATTR/KVM_GET_DEVICE_ATTR device ioctls executed on +FLIC with an unknown group or attribute gives the error code EINVAL (instead of +ENXIO, as specified in the API documentation). It is not possible to conclude +that a FLIC operation is unavailable based on the error code resulting from a +usage attempt. |