linux/drivers/infiniband
Zhu Yanjun 45e5678004 RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]"
[ Upstream commit edc4ef0e01 ]

The Call Trace is as below:
"
  <TASK>
  ? show_regs.cold+0x1a/0x1f
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? __warn+0x84/0xd0
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? report_bug+0x105/0x180
  ? handle_bug+0x46/0x80
  ? exc_invalid_op+0x19/0x70
  ? asm_exc_invalid_op+0x1b/0x20
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? __rxe_cleanup+0x124/0x170 [rdma_rxe]
  rxe_destroy_qp.cold+0x24/0x29 [rdma_rxe]
  ib_destroy_qp_user+0x118/0x190 [ib_core]
  rdma_destroy_qp.cold+0x43/0x5e [rdma_cm]
  rtrs_cq_qp_destroy.cold+0x1d/0x2b [rtrs_core]
  rtrs_srv_close_work.cold+0x1b/0x31 [rtrs_server]
  process_one_work+0x21d/0x3f0
  worker_thread+0x4a/0x3c0
  ? process_one_work+0x3f0/0x3f0
  kthread+0xf0/0x120
  ? kthread_complete_and_exit+0x20/0x20
  ret_from_fork+0x22/0x30
  </TASK>
"
When too many rdma resources are allocated, rxe needs more time to
handle these rdma resources. Sometimes with the current timeout, rxe
can not release the rdma resources correctly.

Compared with other rdma drivers, a bigger timeout is used.

Fixes: 215d0a755e ("RDMA/rxe: Stop lookup of partially built objects")
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Link: https://patch.msgid.link/20250110160927.55014-1-yanjun.zhu@linux.dev
Tested-by: Joe Klein <joe.klein812@gmail.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-02-08 09:52:22 +01:00
..
core RDMA/uverbs: Prevent integer overflow issue 2025-01-09 13:32:07 +01:00
hw RDMA/mlx5: Fix indirect mkey ODP page count 2025-02-08 09:52:22 +01:00
sw RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]" 2025-02-08 09:52:22 +01:00
ulp RDMA/srp: Fix error handling in srp_add_port 2025-02-08 09:52:14 +01:00
Kconfig RDMA: Disable IB HW for UML 2022-12-04 15:22:03 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00