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>
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 24d97d1b6252..10aace21d25e 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)
{
}
--
2.31.1
