[dpdk-dev] [PATCH v2 5/5] testpmd: use library implementation of 64-bit log2
Anatoly Burakov
anatoly.burakov at intel.com
Wed Nov 14 17:30:23 CET 2018
Remove duplicated code and use library version of 64-bit log2.
Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
---
app/test-pmd/testpmd.c | 17 +----------------
1 file changed, 1 insertion(+), 16 deletions(-)
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 9c0edcaed..89c6ffd53 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -649,28 +649,13 @@ calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out)
return 0;
}
-static inline uint32_t
-bsf64(uint64_t v)
-{
- return (uint32_t)__builtin_ctzll(v);
-}
-
-static inline uint32_t
-log2_u64(uint64_t v)
-{
- if (v == 0)
- return 0;
- v = rte_align64pow2(v);
- return bsf64(v);
-}
-
static int
pagesz_flags(uint64_t page_sz)
{
/* as per mmap() manpage, all page sizes are log2 of page size
* shifted by MAP_HUGE_SHIFT
*/
- int log2 = log2_u64(page_sz);
+ int log2 = rte_log2_u64(page_sz);
return (log2 << HUGE_SHIFT);
}
--
2.17.1
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