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rcutorture: Flag nonexistent RCU GP kthread

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Currently, if the RCU grace-period kthread has not yet been created,
in which case the starvation-check code will print zero for the state,
which maps to TASK_RUNNING.  This could clearly be quite confusing, so
this commit prints ~0, which does not map to any legal ->state value.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2015-12-05 17:34:10 -08:00
parent 83977d273b
commit a0e3a3aa28
1 changed files with 1 additions and 1 deletions
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kernel/rcu/tree.c
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@ -1201,7 +1201,7 @@ static void rcu_check_gp_kthread_starvation(struct rcu_state *rsp)
rsp->name, j - gpa,
rsp->gpnum, rsp->completed,
rsp->gp_flags, rsp->gp_state,
rsp->gp_kthread ? rsp->gp_kthread->state : 0);
rsp->gp_kthread ? rsp->gp_kthread->state : ~0);
}
/*