1 files changed, 11 insertions, 0 deletions

diff --git a/tools/include/asm/bug.h b/tools/include/asm/bug.h
index 9e5f4846967f..beda1a884b50 100644
--- a/tools/include/asm/bug.h
+++ b/tools/include/asm/bug.h
@@ -12,6 +12,17 @@
         unlikely(__ret_warn_on);                \
 })
 
+#define WARN_ON_ONCE(condition) ({                      \
+        static int __warned;                            \
+        int __ret_warn_once = !!(condition);            \
+                                                        \
+        if (unlikely(__ret_warn_once && !__warned)) {   \
+                __warned = true;                        \
+                WARN_ON(1);                             \
+        }                                               \
+        unlikely(__ret_warn_once);                      \
+})
+
 #define WARN_ONCE(condition, format...) ({      \
         static int __warned;                    \
         int __ret_warn_once = !!(condition);    \