d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ring: reduce scope of local variables

Browse Source 
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 <bruce.richardson@intel.com>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
Bruce Richardson 2017-03-29 16:21:27 +01:00 committed by Thomas Monjalon
parent eb4562714f
commit 3fe963a85a
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/librte_ring/rte_ring.h
View File

@ -285,6 +285,7 @@ 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)) { \
@ -311,6 +312,7 @@ 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)) { \
@ -361,7 +363,6 @@ __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 */
@ -431,7 +432,6 @@ __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;
@ -495,7 +495,6 @@ __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 */
@ -566,7 +565,6 @@ __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;