Bugzilla bug: 523 Control thread (which handles iotlb msg) and forwarding thread both use iotlb to translate address. The former may modify the same entry of mempool and may cause a loop in iotlb_pending_entries list.
Fixes: d012d1f293f4 ("vhost: add IOTLB helper functions") Signed-off-by: Eugenio Pérez <epere...@redhat.com> --- lib/librte_vhost/iotlb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/librte_vhost/iotlb.c b/lib/librte_vhost/iotlb.c index 5b3a0c090..e0b67721b 100644 --- a/lib/librte_vhost/iotlb.c +++ b/lib/librte_vhost/iotlb.c @@ -321,8 +321,7 @@ vhost_user_iotlb_init(struct virtio_net *dev, int vq_index) IOTLB_CACHE_SIZE, sizeof(struct vhost_iotlb_entry), 0, 0, 0, NULL, NULL, NULL, socket, MEMPOOL_F_NO_CACHE_ALIGN | - MEMPOOL_F_SP_PUT | - MEMPOOL_F_SC_GET); + MEMPOOL_F_SP_PUT); if (!vq->iotlb_pool) { VHOST_LOG_CONFIG(ERR, "Failed to create IOTLB cache pool (%s)\n", -- 2.18.1