diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
| commit | a802f50d6e92298d44a806d326a2ba3eefa6db72 (patch) | |
| tree | 40cafff98f5248d0121656fc538e65dc9baa64b2 /kernel/trace/tracing_map.c | |
| parent | fccc9d9233f918ee50cf2955ae7134a7f3418351 (diff) | |
| parent | 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff) | |
| download | linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.gz linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.bz2 linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.zip | |
Merge 6.8-rc3 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 c774e560f2f9..a4dcf0f24352 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; |