diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2022-10-26 12:13:03 +0200 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2022-12-15 10:37:26 -0800 |
| commit | d48567c9a0d1e605639f8a8705a61bbb55fb4e84 (patch) | |
| tree | e21cc2cc51debdb73db0031a21dac0717af1286e /kernel/bpf/bpf_struct_ops.c | |
| parent | 414ebf148cb5c5fa727ec51fdb69c4ab82dccf3b (diff) | |
mm: Introduce set_memory_rox()
Because endlessly repeating:
set_memory_ro()
set_memory_x()
is getting tedious.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/Y1jek64pXOsougmz@hirez.programming.kicks-ass.net
Diffstat (limited to 'kernel/bpf/bpf_struct_ops.c')
| -rw-r--r-- | kernel/bpf/bpf_struct_ops.c | 3 |
1 files changed, 1 insertions, 2 deletions
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(). |