membarrier_arch_switch_mm()'s sole implementation and caller are in arch/powerpc. Having a fallback implementation in include/linux is confusing -- remove it. It's still mentioned in a comment, but a subsequent patch will remove it. Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Acked-by: Nicholas Piggin <npiggin@xxxxxxxxx> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx> --- include/linux/sched/mm.h | 7 ------- 1 file changed, 7 deletions(-) diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index c256a7fc0423..0df706c099e5 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -350,13 +350,6 @@ extern void membarrier_exec_mmap(struct mm_struct *mm); extern void membarrier_update_current_mm(struct mm_struct *next_mm); #else -#ifdef CONFIG_ARCH_HAS_MEMBARRIER_CALLBACKS -static inline void membarrier_arch_switch_mm(struct mm_struct *prev, - struct mm_struct *next, - struct task_struct *tsk) -{ -} -#endif static inline void membarrier_exec_mmap(struct mm_struct *mm) { } -- 2.33.1