[v1] lib/table: fix cache alignment issue

Message ID 20200709014334.13543-1-ting.xu@intel.com (mailing list archive)
State Superseded, archived
Headers
Series [v1] lib/table: fix cache alignment issue |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/travis-robot success Travis build: passed
ci/Intel-compilation fail Compilation issues

Commit Message

Xu, Ting July 9, 2020, 1:43 a.m. UTC
  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: stable@dpdk.org

Signed-off-by: Ting Xu <ting.xu@intel.com>
---
 lib/librte_table/rte_table_hash_key16.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Patch

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 {