rcu: Allow rcutorture to starve grace-period kthread

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This commit provides an rcutorture.stall_gp_kthread module parameter
to allow rcutorture to starve the grace-period kthread.  This allows
testing the code that detects such starvation.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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This commit is contained in:

Paul E. McKenney 2020-04-01 19:57:52 -07:00

parent df5916845d

commit 55b2dcf587

4 changed files with 51 additions and 3 deletions

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7

Documentation/admin-guide/kernel-parameters.txt

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2

kernel/rcu/rcu.h

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18

kernel/rcu/rcutorture.c

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27

kernel/rcu/tree.c

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