Re: [PATCH 3/8] membarrier: Remove membarrier_arch_switch_mm() prototype in core code
From: Nicholas Piggin <npiggin@gmail.com>
Date: 2021-06-16 04:26:48
Also in:
lkml
Excerpts from Andy Lutomirski's message of June 16, 2021 1:21 pm:
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@efficios.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
quoted hunk ↗ jump to hunk
--- 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