1 files changed, 2 insertions, 2 deletions

diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 282d7613fce8..496e59a2738b 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -630,9 +630,9 @@ struct kvm_s390_irq {
 
 struct kvm_s390_irq_state {
         __u64 buf;
-        __u32 flags;
+        __u32 flags;        /* will stay unused for compatibility reasons */
         __u32 len;
-        __u32 reserved[4];
+        __u32 reserved[4];  /* will stay unused for compatibility reasons */
 };
 
 /* for KVM_SET_GUEST_DEBUG */