rcu: Suppress RCU CPU stall warnings while dumping trace

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Currently, RCU emits Suppress RCU CPU stall warnings during its
automatically initiated ftrace_dump() calls after detecting an error
condition, which can result in excessively excessive console output
and lost trace events.  This commit therefore suppresses RCU CPU stall
warnings across any of these ftrace_dump() calls.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2017-09-01 14:40:54 -07:00

parent 83b6ca1fed

commit f22ce09157

2 changed files with 18 additions and 0 deletions

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17

kernel/rcu/rcu.h

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1

kernel/rcu/update.c

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