There is not specified dependency between rte_mempool_populate_default() and rte_mempool_populate_iova(). So, the second should not rely on the fact that the first adds capability flags to the mempool flags.
Fixes: 65cf769f5e6a ("mempool: detect physical contiguous objects") Cc: sta...@dpdk.org Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com> --- lib/librte_mempool/rte_mempool.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c index 6d17022..e783b9a 100644 --- a/lib/librte_mempool/rte_mempool.c +++ b/lib/librte_mempool/rte_mempool.c @@ -362,6 +362,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, void *opaque) { unsigned total_elt_sz; + unsigned int mp_cap_flags; unsigned i = 0; size_t off; struct rte_mempool_memhdr *memhdr; @@ -386,8 +387,14 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, total_elt_sz = mp->header_size + mp->elt_size + mp->trailer_size; + /* Get mempool capabilities */ + mp_cap_flags = 0; + ret = rte_mempool_ops_get_capabilities(mp, &mp_cap_flags); + if ((ret < 0) && (ret != -ENOTSUP)) + return ret; + /* Detect pool area has sufficient space for elements */ - if (mp->flags & MEMPOOL_F_CAPA_PHYS_CONTIG) { + if (mp_cap_flags & MEMPOOL_F_CAPA_PHYS_CONTIG) { if (len < total_elt_sz * mp->size) { RTE_LOG(ERR, MEMPOOL, "pool area %" PRIx64 " not enough\n", @@ -407,7 +414,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr, memhdr->free_cb = free_cb; memhdr->opaque = opaque; - if (mp->flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS) + if (mp_cap_flags & MEMPOOL_F_CAPA_BLK_ALIGNED_OBJECTS) /* align object start address to a multiple of total_elt_sz */ off = total_elt_sz - ((uintptr_t)vaddr % total_elt_sz); else if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN) -- 2.7.4