From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 1161D5911 for ; Thu, 23 Feb 2017 18:25:05 +0100 (CET) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP; 23 Feb 2017 09:25:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,198,1484035200"; d="scan'208";a="827713089" Received: from sivswdev01.ir.intel.com ([10.237.217.45]) by FMSMGA003.fm.intel.com with ESMTP; 23 Feb 2017 09:25:04 -0800 From: Bruce Richardson To: olivier.matz@6wind.com Cc: dev@dpdk.org, Bruce Richardson Date: Thu, 23 Feb 2017 17:24:04 +0000 Message-Id: <20170223172407.27664-12-bruce.richardson@intel.com> X-Mailer: git-send-email 2.8.4 In-Reply-To: <20170223172407.27664-1-bruce.richardson@intel.com> References: <20170223172407.27664-1-bruce.richardson@intel.com> Subject: [dpdk-dev] [PATCH v1 11/14] ring: reduce scope of local variables X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Feb 2017 17:25:06 -0000 The local variable i is only used for loop control so define it in the enqueue and dequeue blocks directly, rather than at the function level. Signed-off-by: Bruce Richardson --- lib/librte_ring/rte_ring.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h index afd5367..db50ce9 100644 --- a/lib/librte_ring/rte_ring.h +++ b/lib/librte_ring/rte_ring.h @@ -280,6 +280,7 @@ void rte_ring_dump(FILE *f, const struct rte_ring *r); * Placed here since identical code needed in both * single and multi producer enqueue functions */ #define ENQUEUE_PTRS() do { \ + unsigned int i; \ const uint32_t size = r->size; \ uint32_t idx = prod_head & mask; \ if (likely(idx + n < size)) { \ @@ -306,6 +307,7 @@ void rte_ring_dump(FILE *f, const struct rte_ring *r); * Placed here since identical code needed in both * single and multi consumer dequeue functions */ #define DEQUEUE_PTRS() do { \ + unsigned int i; \ uint32_t idx = cons_head & mask; \ const uint32_t size = r->size; \ if (likely(idx + n < size)) { \ @@ -356,7 +358,6 @@ __rte_ring_mp_do_enqueue(struct rte_ring *r, void * const *obj_table, uint32_t cons_tail, free_entries; const unsigned int max = n; int success; - unsigned int i; uint32_t mask = r->mask; /* move prod.head atomically */ @@ -426,7 +427,6 @@ __rte_ring_sp_do_enqueue(struct rte_ring *r, void * const *obj_table, { uint32_t prod_head, cons_tail; uint32_t prod_next, free_entries; - unsigned int i; uint32_t mask = r->mask; prod_head = r->prod.head; @@ -490,7 +490,6 @@ __rte_ring_mc_do_dequeue(struct rte_ring *r, void **obj_table, uint32_t cons_next, entries; const unsigned max = n; int success; - unsigned int i; uint32_t mask = r->mask; /* move cons.head atomically */ @@ -561,7 +560,6 @@ __rte_ring_sc_do_dequeue(struct rte_ring *r, void **obj_table, { uint32_t cons_head, prod_tail; uint32_t cons_next, entries; - unsigned int i; uint32_t mask = r->mask; cons_head = r->cons.head; -- 2.9.3