UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Revert "IB/mlx4: Return EAGAIN for any error in mlx4_ib_poll_one" 

By Mellanox HW design and SW implementation, poll_cq never
fails and returns errors, so all these printks are to catch ULP bugs.

In case of such bug, the reverted patch will cause reentry of the
function, resulting in a printk storm.

This reverts commit 5412352fcd ("IB/mlx4: Return EAGAIN for any error in mlx4_ib_poll_one")

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2016-08-28 10:58:32 +03:00 committed by Doug Ledford
parent 546481c281
commit 25b64fc5f2
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/infiniband/hw/mlx4/cq.c
View File

@ -690,7 +690,7 @@ repoll:
if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_OPCODE_NOP &&
is_send)) {
pr_warn("Completion for NOP opcode detected!\n");
return -EAGAIN;
return -EINVAL;
}
/* Resize CQ in progress */
@ -721,7 +721,7 @@ repoll:
if (unlikely(!mqp)) {
pr_warn("CQ %06x with entry for unknown QPN %06x\n",
cq->mcq.cqn, be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK);
return -EAGAIN;
return -EINVAL;
}
*cur_qp = to_mibqp(mqp);
@ -739,7 +739,7 @@ repoll:
if (unlikely(!msrq)) {
pr_warn("CQ %06x with entry for unknown SRQN %06x\n",
cq->mcq.cqn, srq_num);
return -EAGAIN;
return -EINVAL;
}
}