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authorPaul E. McKenney <paulmck@kernel.org>2022-12-06 09:38:39 -0800
committerPaul E. McKenney <paulmck@kernel.org>2023-01-09 12:09:52 -0800
commit84ec7c20363f46a4031695eceb0374c1c4d6b9ec (patch)
treea9bc68c74a64afad24b9e95ced986cf9062fbb4f /net/sched/act_csum.c
parent3ab955de929a53245c89deb7ff9992b6eebbe4e8 (diff)
rcu: Allow up to five minutes expedited RCU CPU stall-warning timeouts
The maximum value of RCU CPU stall-warning timeouts has historically been five minutes (300 seconds). However, the recently introduced expedited RCU CPU stall-warning timeout is instead limited to 21 seconds. This causes problems for CI/fuzzing services such as syzkaller by obscuring the issue in question with expedited RCU CPU stall-warning timeout splats. This commit therefore sets the RCU_EXP_CPU_STALL_TIMEOUT Kconfig options upper bound to 300000 milliseconds, which is 300 seconds (AKA 5 minutes). [ paulmck: Apply feedback from Hillf Danton. ] [ paulmck: Apply feedback from Geert Uytterhoeven. ] Reported-by: Dave Chinner <david@fromorbit.com> Reported-by: Dmitry Vyukov <dvyukov@google.com> Tested-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'net/sched/act_csum.c')
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