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Shiraz Saleem ead54ced63 RDMA/irdma: Fix drain SQ hang with no completion 
SW generated completions for outstanding WRs posted on SQ
after QP is in error target the wrong CQ. This causes the
ib_drain_sq to hang with no completion.

Fix this to generate completions on the right CQ.

[  863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds.
[  863.979224]       Not tainted 5.14.0-130.el9.x86_64 #1
[  863.986588] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  863.996997] task:kworker/u52:2   state:D stack:    0 pid:  671 ppid:     2 flags:0x00004000
[  864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc]
[  864.014056] Call Trace:
[  864.017575]  __schedule+0x206/0x580
[  864.022296]  schedule+0x43/0xa0
[  864.026736]  schedule_timeout+0x115/0x150
[  864.032185]  __wait_for_common+0x93/0x1d0
[  864.037717]  ? usleep_range_state+0x90/0x90
[  864.043368]  __ib_drain_sq+0xf6/0x170 [ib_core]
[  864.049371]  ? __rdma_block_iter_next+0x80/0x80 [ib_core]
[  864.056240]  ib_drain_sq+0x66/0x70 [ib_core]
[  864.062003]  rpcrdma_xprt_disconnect+0x82/0x3b0 [rpcrdma]
[  864.069365]  ? xprt_prepare_transmit+0x5d/0xc0 [sunrpc]
[  864.076386]  xprt_rdma_close+0xe/0x30 [rpcrdma]
[  864.082593]  xprt_autoclose+0x52/0x100 [sunrpc]
[  864.088718]  process_one_work+0x1e8/0x3c0
[  864.094170]  worker_thread+0x50/0x3b0
[  864.099109]  ? rescuer_thread+0x370/0x370
[  864.104473]  kthread+0x149/0x170
[  864.109022]  ? set_kthread_struct+0x40/0x40
[  864.114713]  ret_from_fork+0x22/0x30

Fixes: 81091d7696 ("RDMA/irdma: Add SW mechanism to generate completions on error")
Link: https://lore.kernel.org/r/20220824154358.117-1-shiraz.saleem@intel.com
Reported-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
History 2022-08-28 12:43:37 +03:00
arch xen: branch for v6.0-rc1b 2022-08-14 09:28:54 -07:00
block block-6.0-2022-08-12 2022-08-13 13:37:36 -07:00
certs Kbuild updates for v5.20 2022-08-10 10:40:41 -07:00
crypto crypto: blake2b: effectively disable frame size warning 2022-08-10 17:59:11 -07:00
Documentation xen: branch for v6.0-rc1b 2022-08-14 09:28:54 -07:00
drivers RDMA/irdma: Fix drain SQ hang with no completion 2022-08-28 12:43:37 +03:00
fs take care to handle NULL ->proc_lseek() 2022-08-14 15:16:18 -04:00
include radix-tree: replace gfp.h inclusion with gfp_types.h 2022-08-14 13:31:03 -07:00
init Kbuild updates for v5.20 2022-08-10 10:40:41 -07:00
io_uring io_uring-6.0-2022-08-13 2022-08-13 13:28:54 -07:00
ipc Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
kernel xen: branch for v6.0-rc1b 2022-08-14 09:28:54 -07:00
lib lib: remove lib/nodemask.c 2022-08-12 09:07:33 -07:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm - hugetlb_vmemmap cleanups from Muchun Song 2022-08-10 11:18:00 -07:00
net Including fixes from bluetooth, bpf, can and netfilter. 2022-08-11 13:45:37 -07:00
samples Tracing updates for 5.20 / 6.0 2022-08-05 09:41:12 -07:00
scripts RISC-V Patches for the 5.20 Merge Window, Part 2 2022-08-12 18:39:43 -07:00
security + Features 2022-08-10 10:53:22 -07:00
sound sound fixes for 6.0-rc1 2022-08-12 09:55:32 -07:00
tools perf tools changes for v6.0: 2nd batch 2022-08-14 09:22:11 -07:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Actually create debugfs in kvm_create_vm() 2022-08-10 15:08:28 -04:00
.clang-format PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS xen: branch for v6.0-rc1b 2022-08-14 09:28:54 -07:00
Makefile Linux 6.0-rc1 2022-08-14 15:50:18 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.