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: 7da182a998d6 ("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
..
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