1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 338cbe0a18ef..1bf65b47808a 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -45,6 +45,16 @@ struct thread_struct {
         struct debug_info       debug;
 };
 
+/*
+ * Everything usercopied to/from thread_struct is statically-sized, so
+ * no hardened usercopy whitelist is needed.
+ */
+static inline void arch_thread_struct_whitelist(unsigned long *offset,
+                                                unsigned long *size)
+{
+        *offset = *size = 0;
+}
+
 #define INIT_THREAD  {  }
 
 #define start_thread(regs,pc,sp)                                        \