linux_dsm_epyc7002/include/rdma
Leon Romanovsky 03286030ac RDMA/restrack: Remove ambiguity in resource track clean logic
The restrack clean routine had simple, but powerful WARN_ON check
to see if all resources are cleared prior to releasing device.

The WARN_ON check performed very well, but lack of information
which device caused to resource leak, the object type and origin
made debug to be fun and challenging at the same time.

The fact that all dumps were the same because restrack_clean() is
called in dealloc() didn't help either.

So let's fix spelling error and convert WARN_ON to be more debug
friendly. The dmesg cut below gives example of how the output
will look output for the case fixed in patch [1]

[  438.421372] restrack: ------------[ cut here ]------------
[  438.423448] restrack: BUG: RESTRACK detected leak of resources on mlx5_2
[  438.425600] restrack: Kernel PD object allocated by mlx5_ib is not freed
[  438.427753] restrack: Kernel CQ object allocated by mlx5_ib is not freed
[  438.429660] restrack: ------------[ cut here ]------------

[1] https://patchwork.kernel.org/patch/10298695/

Cc: Michal Kalderon <Michal.Kalderon@cavium.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-03-22 12:42:48 -06:00
..
ib_addr.h IB/core: Move rdma_addr_find_l2_eth_by_grh to core_priv.h 2018-03-15 15:33:39 -06:00
ib_cache.h IB/core: Fix comments of GID query functions 2018-03-15 14:40:36 -06:00
ib_cm.h IB/SA: Rename ib_sa_path_rec to sa_path_rec 2017-05-01 14:37:28 -04:00
ib_fmr_pool.h
ib_hdrs.h IB/hfi1: Remove unnecessary fecn and becn fields 2018-02-01 15:43:29 -07:00
ib_mad.h IB/core: Enforce security on management datagrams 2017-05-23 12:27:21 -04:00
ib_marshall.h IB/core: Convert ah_attr from OPA to IB when copying to user 2017-08-08 14:47:18 -04:00
ib_pack.h IB/core: Fix calculation of maximum RoCE MTU 2017-10-18 12:11:36 -04:00
ib_pma.h
ib_sa.h IB/core: Refactor ib_init_ah_attr_from_path() for RoCE 2018-03-15 15:17:49 -06:00
ib_smi.h
ib_umem_odp.h RDMA/umem: Avoid partial declaration of non-static function 2017-11-10 13:02:12 -05:00
ib_umem.h IB/umem: Add contiguous ODP support 2017-04-25 15:40:28 -04:00
ib_verbs.h IB/uverbs: Safely extend existing attributes 2018-03-19 14:45:17 -06:00
ib.h new helper: uaccess_kernel() 2017-03-28 16:43:25 -04:00
iw_cm.h rdma_cm: add rdma_reject_msg() helper function 2016-12-14 11:38:28 -05:00
iw_portmap.h
mr_pool.h
opa_addr.h IB/SA: Check dlid before SA agent queries for ClassPortInfo 2017-12-22 13:33:30 -07:00
opa_port_info.h IB/hfi1: Virtual Network Interface Controller (VNIC) HW support 2017-04-20 15:19:35 -04:00
opa_smi.h IB/mad: Eliminate redundant SM class version defines for OPA 2016-12-14 11:01:58 -05:00
opa_vnic.h IB/hfi1: Add support to receive 16B bypass packets 2017-08-22 14:22:37 -04:00
rdma_cm_ib.h RDMA/{cma, ucma}: Simplify and rename rdma_set_ib_paths 2018-01-10 22:00:33 -07:00
rdma_cm.h RDMA/nldev: provide detailed CM_ID information 2018-03-08 15:03:03 -05:00
rdma_netlink.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rdma_vt.h IB/uverbs: Extend uverbs_ioctl header with driver_id 2018-03-19 14:45:17 -06:00
rdmavt_cq.h
rdmavt_mr.h IB/rdmavt: Handle dereg of inuse MRs properly 2017-08-28 19:12:31 -04:00
rdmavt_qp.h IB/rdmavt: Correct issues with read-mostly and send size cache lines 2017-10-04 15:39:45 -04:00
restrack.h RDMA/restrack: Remove ambiguity in resource track clean logic 2018-03-22 12:42:48 -06:00
rw.h rdma core: Add rdma_rw_mr_payload() 2017-09-05 15:15:30 -04:00
uverbs_ioctl.h IB/uverbs: Move ioctl path of create_cq and destroy_cq to a new file 2018-03-19 14:45:17 -06:00
uverbs_named_ioctl.h IB/uverbs: Add macros to simplify adding driver specific attributes 2018-03-19 14:45:17 -06:00
uverbs_std_types.h IB/uverbs: Expose parsing tree of all common objects to providers 2018-03-19 14:45:17 -06:00
uverbs_types.h IB/core: Explicitly destroy an object while keeping uobject 2017-08-31 08:35:11 -04:00