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Commit 351573a8 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Paul E. McKenney
Browse files

rcu: Fix TINY_RCU rcu_is_cpu_rrupt_from_idle check 



The rcu_is_cpu_rrupt_from_idle() needs to allow for one interrupt level
from the idle loop, but TINY_RCU checks for a call from the idle loop
itself.  This commit fixes this issue.

Reported-by: default avatarJosh Triplett <josh@joshtriplett.org>
Signed-off-by: default avatarPaul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent f0a0e6f2

kernel/rcutiny.c

+1 −1
Original line number Diff line number Diff line
@@ -195,7 +195,7 @@ EXPORT_SYMBOL(rcu_is_cpu_idle); 
 */

int rcu_is_cpu_rrupt_from_idle(void)

{

	return rcu_dynticks_nesting <= 0;

	return rcu_dynticks_nesting <= 1;

}



/*