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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2024-02-20 09:26:12 -0800 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2024-02-20 09:57:17 -0800 |
| commit | fbb944086f2fa36c633be71cfcb38ce9f37eb90e (patch) | |
| tree | 78428083a0de1e910a2eb025102b462bebdb8bfc /kernel/trace/tracing_map.c | |
| parent | 0f688c0eb63a643ef0568b29b12cefbb23181e1a (diff) | |
| parent | 9ac4beb7578a88baa4f7e6a59eeb5be79d7b011a (diff) | |
| download | lwn-fbb944086f2fa36c633be71cfcb38ce9f37eb90e.tar.gz lwn-fbb944086f2fa36c633be71cfcb38ce9f37eb90e.zip | |
Merge drm/drm-next into drm-xe-next
Bring changes from drm-misc-next that got merged in drm-next back to
drm-xe so they can be used for additional features.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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; |