From d48567c9a0d1e605639f8a8705a61bbb55fb4e84 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 26 Oct 2022 12:13:03 +0200 Subject: mm: Introduce set_memory_rox() Because endlessly repeating: set_memory_ro() set_memory_x() is getting tedious. Suggested-by: Linus Torvalds Signed-off-by: Peter Zijlstra (Intel) Link: https://lkml.kernel.org/r/Y1jek64pXOsougmz@hirez.programming.kicks-ass.net --- kernel/bpf/bpf_struct_ops.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'kernel/bpf/bpf_struct_ops.c') diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c index 84b2d9dba79a..ece9870cab68 100644 --- a/kernel/bpf/bpf_struct_ops.c +++ b/kernel/bpf/bpf_struct_ops.c @@ -494,8 +494,7 @@ static int bpf_struct_ops_map_update_elem(struct bpf_map *map, void *key, refcount_set(&kvalue->refcnt, 1); bpf_map_inc(map); - set_memory_ro((long)st_map->image, 1); - set_memory_x((long)st_map->image, 1); + set_memory_rox((long)st_map->image, 1); err = st_ops->reg(kdata); if (likely(!err)) { /* Pair with smp_load_acquire() during lookup_elem(). -- cgit