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From: Bruce Richardson <bruce.richardson@intel.com>
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Yipeng Wang <yipeng1.wang@intel.com>
Date: Mon, 12 Nov 2018 10:47:17 +0000
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Subject: [dpdk-dev] [PATCH v2 2/4] hash: add local cache for TSX region
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From: Yipeng Wang <yipeng1.wang@intel.com>
This patch adds back the local cache when TSX support is turned on.
When TSX is turned on, free key-data slot ring would be contended by
various TSX regions. The purpose of this commit is to reduce possible
memory collisions during key insertion.
Signed-off-by: Yipeng Wang <yipeng1.wang@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---
lib/librte_hash/rte_cuckoo_hash.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 76f5dc8..5d5f9f1 100644
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -180,8 +180,10 @@ struct rte_hash *
}
/* Check extra flags field to check extra options. */
- if (params->extra_flag & RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT)
+ if (params->extra_flag & RTE_HASH_EXTRA_FLAGS_TRANS_MEM_SUPPORT) {
+ use_local_cache = 1;
hw_trans_mem_support = 1;
+ }
if (params->extra_flag & RTE_HASH_EXTRA_FLAGS_MULTI_WRITER_ADD) {
use_local_cache = 1;
--
1.8.5.6