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From: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
To: dev@dpdk.org
Cc: Chao Zhu <chaozhu@linux.vnet.ibm.com>,
Bruce Richardson <bruce.richardson@intel.com>,
Konstantin Ananyev <konstantin.ananyev@intel.com>,
Thomas Monjalon <thomas.monjalon@6wind.com>,
Cristian Dumitrescu <cristian.dumitrescu@intel.com>,
Pradeep <pradeep@us.ibm.com>
Date: Tue, 16 Aug 2016 15:57:59 +0530
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Subject: [dpdk-dev] [PATCH v6 9/9] table: align rte table hash structs for
cache line size
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rte table hash structs rte_bucket_4_8, rte_bucket_4_16 and rte_bucket_4_32 have
to be cache aligned as required by their corresponding hash create functions
rte_table_hash_create_key8_lru etc.
Signed-off-by: Gowrishankar Muthukrishnan <gowrishankar.m@linux.vnet.ibm.com>
---
lib/librte_table/rte_table_hash_key16.c | 4 ++--
lib/librte_table/rte_table_hash_key32.c | 4 ++--
lib/librte_table/rte_table_hash_key8.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/lib/librte_table/rte_table_hash_key16.c b/lib/librte_table/rte_table_hash_key16.c
index b7e000f..2102326 100644
--- a/lib/librte_table/rte_table_hash_key16.c
+++ b/lib/librte_table/rte_table_hash_key16.c
@@ -68,10 +68,10 @@ struct rte_bucket_4_16 {
uint64_t next_valid;
/* Cache line 1 */
- uint64_t key[4][2];
+ uint64_t key[4][2] __rte_cache_aligned;
/* Cache line 2 */
- uint8_t data[0];
+ uint8_t data[0] __rte_cache_aligned;
};
struct rte_table_hash {
diff --git a/lib/librte_table/rte_table_hash_key32.c b/lib/librte_table/rte_table_hash_key32.c
index a7aba49..619f63a 100644
--- a/lib/librte_table/rte_table_hash_key32.c
+++ b/lib/librte_table/rte_table_hash_key32.c
@@ -68,10 +68,10 @@ struct rte_bucket_4_32 {
uint64_t next_valid;
/* Cache lines 1 and 2 */
- uint64_t key[4][4];
+ uint64_t key[4][4] __rte_cache_aligned;
/* Cache line 3 */
- uint8_t data[0];
+ uint8_t data[0] __rte_cache_aligned;
};
struct rte_table_hash {
diff --git a/lib/librte_table/rte_table_hash_key8.c b/lib/librte_table/rte_table_hash_key8.c
index e2e2bdc..4d5e0cd 100644
--- a/lib/librte_table/rte_table_hash_key8.c
+++ b/lib/librte_table/rte_table_hash_key8.c
@@ -68,7 +68,7 @@ struct rte_bucket_4_8 {
uint64_t key[4];
/* Cache line 1 */
- uint8_t data[0];
+ uint8_t data[0] __rte_cache_aligned;
};
struct rte_table_hash {
--
1.9.1