[dpdk-dev] [PATCH v8 15/19] eal: fix recursive spinlock in non-EAL thraed

Cunming Liang cunming.liang at intel.com
Tue Feb 17 03:08:12 CET 2015


In non-EAL thread, lcore_id alrways be LCORE_ID_ANY.
It cann't be used as unique id for recursive spinlock.
Then use rte_gettid() to replace it.

Signed-off-by: Cunming Liang <cunming.liang at intel.com>
---
 lib/librte_eal/common/include/generic/rte_spinlock.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/librte_eal/common/include/generic/rte_spinlock.h b/lib/librte_eal/common/include/generic/rte_spinlock.h
index dea885c..c7fb0df 100644
--- a/lib/librte_eal/common/include/generic/rte_spinlock.h
+++ b/lib/librte_eal/common/include/generic/rte_spinlock.h
@@ -179,7 +179,7 @@ static inline void rte_spinlock_recursive_init(rte_spinlock_recursive_t *slr)
  */
 static inline void rte_spinlock_recursive_lock(rte_spinlock_recursive_t *slr)
 {
-	int id = rte_lcore_id();
+	int id = rte_gettid();
 
 	if (slr->user != id) {
 		rte_spinlock_lock(&slr->sl);
@@ -212,7 +212,7 @@ static inline void rte_spinlock_recursive_unlock(rte_spinlock_recursive_t *slr)
  */
 static inline int rte_spinlock_recursive_trylock(rte_spinlock_recursive_t *slr)
 {
-	int id = rte_lcore_id();
+	int id = rte_gettid();
 
 	if (slr->user != id) {
 		if (rte_spinlock_trylock(&slr->sl) == 0)
-- 
1.8.1.4



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