[dpdk-dev] [PATCH v3] lib/table: fix cache alignment issue

[Ting Xu]

When create softnic hash table with 16 keys, it failed on 32bit
environment because of the structure rte_bucket_4_16 alignment
issue. Add __rte_cache_aligned to ensure correct cache align.

Fixes: 8aa327214c ("table: hash")
Cc: sta...@dpdk.org

Signed-off-by: Ting Xu <ting...@intel.com>

---
v2->v3: Rebase
v1->v2: Correct patch time
---
 lib/librte_table/rte_table_hash_key16.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_table/rte_table_hash_key16.c 
b/lib/librte_table/rte_table_hash_key16.c
index 2cca1c924..5e1665c15 100644
--- a/lib/librte_table/rte_table_hash_key16.c
+++ b/lib/librte_table/rte_table_hash_key16.c
@@ -44,7 +44,7 @@ struct rte_bucket_4_16 {
        uint64_t key[4][2];
 
        /* Cache line 2 */
-       uint8_t data[0];
+       uint8_t data[0] __rte_cache_aligned;
 };
 
 struct rte_table_hash {
-- 
2.17.1