diff options
| author |   jaszha03 <jason.zhang2@arm.com> | 2019-06-12 16:01:19 -0500 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2019-07-30 11:46:19 +0000 |
| commit | 0455c435af501889de51c79a223883b3c2003b20 (patch) | |
| tree | c869cd21043469888ee2a23e563e958ce05e3a96 /src/plugins | |
| parent | d56550c2b669558aa38d93f44a9a3b31e0b9370f (diff) | |
vppinfra: conformed spinlocks to use CLIB_PAUSE
Modified test-and-set spin locks to call CLIB_PAUSE () when spinning
for code consistency. Decreases the memory bandwidth consumed.
Type: fix
Change-Id: I1cca4f87f44f23f257c7a35466cd2e7767072f51
Signed-off-by: Jason Zhang <jason.zhang2@arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
Reviewed-by: Lijian Zhang <Lijian.Zhang@arm.com>
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/map/map.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/plugins/map/map.h b/src/plugins/map/map.h index abafb4e21fe..d96c7b88cb7 100644 --- a/src/plugins/map/map.h +++ b/src/plugins/map/map.h @@ -22,6 +22,7 @@ #include <vnet/adj/adj.h> #include <vnet/dpo/load_balance.h> #include "lpm.h" +#include <vppinfra/lock.h> #define MAP_SKIP_IP6_LOOKUP 1 @@ -501,7 +502,7 @@ map_ip4_reass_get(u32 src, u32 dst, u16 fragment_id, void map_ip4_reass_free(map_ip4_reass_t *r, u32 **pi_to_drop); -#define map_ip4_reass_lock() while (clib_atomic_test_and_set (map_main.ip4_reass_lock)) {} +#define map_ip4_reass_lock() while (clib_atomic_test_and_set (map_main.ip4_reass_lock)) { CLIB_PAUSE (); } #define map_ip4_reass_unlock() do {CLIB_MEMORY_BARRIER(); *map_main.ip4_reass_lock = 0;} while(0) static_always_inline void @@ -526,7 +527,7 @@ map_ip6_reass_get(ip6_address_t *src, ip6_address_t *dst, u32 fragment_id, void map_ip6_reass_free(map_ip6_reass_t *r, u32 **pi_to_drop); -#define map_ip6_reass_lock() while (clib_atomic_test_and_set (map_main.ip6_reass_lock)) {} +#define map_ip6_reass_lock() while (clib_atomic_test_and_set (map_main.ip6_reass_lock)) { CLIB_PAUSE (); } #define map_ip6_reass_unlock() do {CLIB_MEMORY_BARRIER(); *map_main.ip6_reass_lock = 0;} while(0) int |