On Fri, Jul 30, 2021 at 03:18:27PM +0200, Jack Wang wrote: > when test with poll mode, it will fail and lead to warning below: > echo "sessname=bla path=gid:fe80::2:c903:4e:d0b3@gid:fe80::2:c903:8:ca17 > device_path=/dev/nullb2 nr_poll_queues=-1" | > sudo tee /sys/devices/virtual/rnbd-client/ctl/map_device > > rnbd_client L597: Mapping device /dev/nullb2 on session bla, > (access_mode: rw, nr_poll_queues: 8) > WARNING: CPU: 3 PID: 9886 at drivers/infiniband/core/cq.c:447 ib_cq_pool_get+0x26f/0x2a0 [ib_core] > > The problem is in case of poll queue, we need to still call > ib_alloc_cq/ib_free_cq, we can't use cq_poll api for poll queue. It will be great to see an explanation here. Thanks
