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-rw-r--r--kernel/rcutree_plugin.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 464ad2cdee00..79b53bda8943 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -1010,6 +1010,10 @@ int rcu_needs_cpu(int cpu)
1010 int c = 0; 1010 int c = 0;
1011 int thatcpu; 1011 int thatcpu;
1012 1012
1013 /* Check for being in the holdoff period. */
1014 if (per_cpu(rcu_dyntick_holdoff, cpu) == jiffies)
1015 return rcu_needs_cpu_quick_check(cpu);
1016
1013 /* Don't bother unless we are the last non-dyntick-idle CPU. */ 1017 /* Don't bother unless we are the last non-dyntick-idle CPU. */
1014 for_each_cpu_not(thatcpu, nohz_cpu_mask) 1018 for_each_cpu_not(thatcpu, nohz_cpu_mask)
1015 if (thatcpu != cpu) { 1019 if (thatcpu != cpu) {
@@ -1041,10 +1045,8 @@ int rcu_needs_cpu(int cpu)
1041 } 1045 }
1042 1046
1043 /* If RCU callbacks are still pending, RCU still needs this CPU. */ 1047 /* If RCU callbacks are still pending, RCU still needs this CPU. */
1044 if (c) { 1048 if (c)
1045 raise_softirq(RCU_SOFTIRQ); 1049 raise_softirq(RCU_SOFTIRQ);
1046 per_cpu(rcu_dyntick_holdoff, cpu) = jiffies;
1047 }
1048 return c; 1050 return c;
1049} 1051}
1050 1052