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-rw-r--r--Documentation/virt/kvm/api.rst6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 97a72a53fa4b..7505d7a6c0d8 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -2117,7 +2117,8 @@ Errors:
====== ============================================================
 ENOENT   no such register
-  EINVAL   invalid register ID, or no such register
+  EINVAL   invalid register ID, or no such register or used with VMs in
+ protected virtualization mode on s390
 EPERM    (arm64) register access not allowed before vcpu finalization
====== ============================================================
@@ -2552,7 +2553,8 @@ Errors include:
======== ============================================================
 ENOENT   no such register
-  EINVAL   invalid register ID, or no such register
+  EINVAL   invalid register ID, or no such register or used with VMs in
+ protected virtualization mode on s390
 EPERM    (arm64) register access not allowed before vcpu finalization
======== ============================================================