efd: fix build by removing dependency to libmath

[dpdk.git] / lib / librte_efd / rte_efd.c

diff --git a/lib/librte_efd/rte_efd.c b/lib/librte_efd/rte_efd.c
index 68e6dab..f601d62 100644 (file)
--- a/lib/librte_efd/rte_efd.c
+++ b/lib/librte_efd/rte_efd.c
@@ -36,7 +36,6 @@
 #include <inttypes.h>
 #include <errno.h>
 #include <stdarg.h>
-#include <math.h>
 #include <sys/queue.h>
 
 #include <rte_log.h>
@@ -557,7 +556,7 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,
                num_chunks = rte_align32pow2((max_num_rules /
                        EFD_TARGET_CHUNK_NUM_RULES) + 1);
 
-       num_chunks_shift = log2(num_chunks);
+       num_chunks_shift = rte_bsf32(num_chunks);
 
        rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);