From mboxrd@z Thu Jan 1 00:00:00 1970 From: Honnappa Nagarahalli Subject: [PATCH v2 3/7] hash: correct key store element alignment Date: Wed, 10 Oct 2018 23:59:28 -0500 Message-ID: <1539233972-49860-4-git-send-email-honnappa.nagarahalli@arm.com> References: <1539233972-49860-1-git-send-email-honnappa.nagarahalli@arm.com> Cc: dev@dpdk.org, yipeng1.wang@intel.com, honnappa.nagarahalli@arm.com, Dharmik.Thakkar@arm.com, nd@arm.com To: bruce.richardson@intel.com, pablo.de.lara.guarch@intel.com Return-path: Received: from foss.arm.com (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by dpdk.org (Postfix) with ESMTP id 257AD1B3AC for ; Thu, 11 Oct 2018 06:59:46 +0200 (CEST) In-Reply-To: <1539233972-49860-1-git-send-email-honnappa.nagarahalli@arm.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Correct the key store array element alignment. This is required to make 'pdata' in 'struct rte_hash_key' align on the correct boundary. Signed-off-by: Honnappa Nagarahalli Reviewed-by: Gavin Hu Reviewed-by: Ola Liljedahl Reviewed-by: Steve Capper --- lib/librte_hash/rte_cuckoo_hash.c | 4 +++- lib/librte_hash/rte_cuckoo_hash.h | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c index 50d632e..f3e95f2 100644 --- a/lib/librte_hash/rte_cuckoo_hash.c +++ b/lib/librte_hash/rte_cuckoo_hash.c @@ -196,7 +196,9 @@ rte_hash_create(const struct rte_hash_parameters *params) goto err_unlock; } - const uint32_t key_entry_size = sizeof(struct rte_hash_key) + params->key_len; + const uint32_t key_entry_size = + RTE_ALIGN(sizeof(struct rte_hash_key) + params->key_len, + KEY_ALIGNMENT); const uint64_t key_tbl_size = (uint64_t) key_entry_size * num_key_slots; k = rte_zmalloc_socket(NULL, key_tbl_size, diff --git a/lib/librte_hash/rte_cuckoo_hash.h b/lib/librte_hash/rte_cuckoo_hash.h index 8627c80..a44c6be 100644 --- a/lib/librte_hash/rte_cuckoo_hash.h +++ b/lib/librte_hash/rte_cuckoo_hash.h @@ -125,7 +125,7 @@ struct rte_hash_key { }; /* Variable key size */ char key[0]; -} __attribute__((aligned(KEY_ALIGNMENT))); +}; /* All different signature compare functions */ enum rte_hash_sig_compare_function { -- 2.7.4