diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-01-25 14:00:54 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-01-25 14:20:08 -0800 |
| commit | 06f609b3119876b42f19fdb690b10896d3c648e6 (patch) | |
| tree | 2f42b892152af80d299133ef6c902261a1fd0b98 /kernel/trace/tracing_map.c | |
| parent | 91374ba537bd60caa9ae052c9f1c0fe055b39149 (diff) | |
| parent | ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts or adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'kernel/trace/tracing_map.c')
| -rw-r--r-- | kernel/trace/tracing_map.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index c774e560f2f95..a4dcf0f243521 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -574,7 +574,12 @@ __tracing_map_insert(struct tracing_map *map, void *key, bool lookup_only) } memcpy(elt->key, key, map->key_size); - entry->val = elt; + /* + * Ensure the initialization is visible and + * publish the elt. + */ + smp_wmb(); + WRITE_ONCE(entry->val, elt); atomic64_inc(&map->hits); return entry->val; |