diff options
| author | David Marchand <[email protected]> | 2023-04-04 14:48:28 +0200 |
|---|---|---|
| committer | Thomas Monjalon <[email protected]> | 2023-04-23 16:17:37 +0200 |
| commit | fa5cb058fb842b5f93e9ecf2d2909f1b991c66f4 (patch) | |
| tree | 3d8c62105a966f247f0b851f228b9bf956ff8f13 /lib/hash | |
| parent | 0c156487ca73596a05d04fbeb395dcd170d752fa (diff) | |
hash: annotate cuckoo hash lock
__hash_rw_(reader|writer)_(|un)lock helpers take locks depending on
conditions that are fixed at the rte_hash object initialisation.
So we can tell clang that those helpers unconditionally take/release
those locks (and waive the lock check on their implementation).
Signed-off-by: David Marchand <[email protected]>
Diffstat (limited to 'lib/hash')
| -rw-r--r-- | lib/hash/rte_cuckoo_hash.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/hash/rte_cuckoo_hash.c b/lib/hash/rte_cuckoo_hash.c index 829b79c89a..d92a903bb3 100644 --- a/lib/hash/rte_cuckoo_hash.c +++ b/lib/hash/rte_cuckoo_hash.c @@ -575,6 +575,8 @@ rte_hash_count(const struct rte_hash *h) /* Read write locks implemented using rte_rwlock */ static inline void __hash_rw_writer_lock(const struct rte_hash *h) + __rte_exclusive_lock_function(&h->readwrite_lock) + __rte_no_thread_safety_analysis { if (h->writer_takes_lock && h->hw_trans_mem_support) rte_rwlock_write_lock_tm(h->readwrite_lock); @@ -584,6 +586,8 @@ __hash_rw_writer_lock(const struct rte_hash *h) static inline void __hash_rw_reader_lock(const struct rte_hash *h) + __rte_shared_lock_function(&h->readwrite_lock) + __rte_no_thread_safety_analysis { if (h->readwrite_concur_support && h->hw_trans_mem_support) rte_rwlock_read_lock_tm(h->readwrite_lock); @@ -593,6 +597,8 @@ __hash_rw_reader_lock(const struct rte_hash *h) static inline void __hash_rw_writer_unlock(const struct rte_hash *h) + __rte_unlock_function(&h->readwrite_lock) + __rte_no_thread_safety_analysis { if (h->writer_takes_lock && h->hw_trans_mem_support) rte_rwlock_write_unlock_tm(h->readwrite_lock); @@ -602,6 +608,8 @@ __hash_rw_writer_unlock(const struct rte_hash *h) static inline void __hash_rw_reader_unlock(const struct rte_hash *h) + __rte_unlock_function(&h->readwrite_lock) + __rte_no_thread_safety_analysis { if (h->readwrite_concur_support && h->hw_trans_mem_support) rte_rwlock_read_unlock_tm(h->readwrite_lock); |