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Roi Dayan 1d10da0eb0 netfilter: flowtable: Remove WQ_MEM_RECLAIM from workqueue 
This workqueue is in charge of handling offloaded flow tasks like
add/del/stats we should not use WQ_MEM_RECLAIM flag.
The flag can result in the following warning.

[  485.557189] ------------[ cut here ]------------
[  485.562976] workqueue: WQ_MEM_RECLAIM nf_flow_table_offload:flow_offload_worr
[  485.562985] WARNING: CPU: 7 PID: 3731 at kernel/workqueue.c:2610 check_flush0
[  485.590191] Kernel panic - not syncing: panic_on_warn set ...
[  485.597100] CPU: 7 PID: 3731 Comm: kworker/u112:8 Not tainted 5.7.0-rc1.21802
[  485.606629] Hardware name: Dell Inc. PowerEdge R730/072T6D, BIOS 2.4.3 01/177
[  485.615487] Workqueue: nf_flow_table_offload flow_offload_work_handler [nf_f]
[  485.624834] Call Trace:
[  485.628077]  dump_stack+0x50/0x70
[  485.632280]  panic+0xfb/0x2d7
[  485.636083]  ? check_flush_dependency+0x110/0x130
[  485.641830]  __warn.cold.12+0x20/0x2a
[  485.646405]  ? check_flush_dependency+0x110/0x130
[  485.652154]  ? check_flush_dependency+0x110/0x130
[  485.657900]  report_bug+0xb8/0x100
[  485.662187]  ? sched_clock_cpu+0xc/0xb0
[  485.666974]  do_error_trap+0x9f/0xc0
[  485.671464]  do_invalid_op+0x36/0x40
[  485.675950]  ? check_flush_dependency+0x110/0x130
[  485.681699]  invalid_op+0x28/0x30

Fixes: 7da182a998 ("netfilter: flowtable: Use work entry per offload command")
Reported-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-05-11 17:45:59 +02:00
arch Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-05-06 10:20:00 -07:00
block block: remove the bd_openers checks in blk_drop_partitions 2020-04-30 10:25:43 -06:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2 2020-04-09 00:12:48 +09:00
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 20:53:22 -07:00
drivers net: dsa: loop: Add module soft dependency 2020-05-10 11:24:20 -07:00
fs for-5.7-rc3-tag 2020-05-03 11:30:08 -07:00
include netfilter: flowtable: Add pending bit for offload work 2020-05-11 16:26:33 +02:00
init Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
ipc ipc/util.c: sysvipc_find_ipc() should increase position index 2020-04-10 15:36:22 -07:00
kernel umh: fix memory leak on execve failure 2020-05-08 19:06:55 -07:00
lib linux-kselftest-kunit-5.7-rc4 2020-04-30 16:32:47 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
mm mm: check that mm is still valid in madvise() 2020-04-24 13:28:03 -07:00
net netfilter: flowtable: Remove WQ_MEM_RECLAIM from workqueue 2020-05-11 17:45:59 +02:00
samples vmalloc: fix remap_vmalloc_range() bounds checks 2020-04-21 11:11:56 -07:00
scripts GCC 10 fixes for gcc-plugins 2020-05-04 11:20:32 -07:00
security selinux/stable-5.7 PR 20200430 2020-04-30 16:35:45 -07:00
sound sound fixes for 5.7-rc4 2020-05-01 11:05:28 -07:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 20:53:22 -07:00
usr kbuild: fix comment about missing include guard detection 2020-04-11 12:09:48 +09:00
virt KVM: Pass kvm_init()'s opaque param to additional arch funcs 2020-03-31 10:48:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2020-04-18 13:49:33 +02:00
.cocciconfig
.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 .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
.mailmap mailmap: Add Sedat Dilek (replacement for expired email address) 2020-04-11 09:28:34 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Hand MIPS over to Thomas 2020-02-24 22:43:18 -08:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-06 20:53:22 -07:00
Makefile Linux 5.7-rc4 2020-05-03 14:56:04 -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.