kernel/include/linux/nospec.h
.. .. @@ -11,6 +11,10 @@ 11 11 12 12 struct task_struct; 13 13 14 +#ifndef barrier_nospec15 +# define barrier_nospec() do { } while (0)16 +#endif17 +14 18 /** 15 19 * array_index_mask_nospec() - generate a ~0 mask when index < size, 0 otherwise 16 20 * @index: array element index