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-rw-r--r--kernel/rcu/tree_plugin.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 35dc9b31e9a4..8641b72f6d0d 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -2352,7 +2352,14 @@ static int __rcu_nocb_rdp_deoffload(struct rcu_data *rdp)
*/
rcu_nocb_lock_irqsave(rdp, flags);
rcu_nocb_flush_bypass(rdp, NULL, jiffies);
- rcu_nocb_unlock_irqrestore(rdp, flags);
+ rcu_segcblist_set_flags(cblist, SEGCBLIST_SOFTIRQ_ONLY);
+ /*
+ * With SEGCBLIST_SOFTIRQ_ONLY, we can't use
+ * rcu_nocb_unlock_irqrestore() anymore. Theoretically we
+ * could set SEGCBLIST_SOFTIRQ_ONLY with cb unlocked and IRQs
+ * disabled now, but let's be paranoid.
+ */
+ raw_spin_unlock_irqrestore(&rdp->nocb_lock, flags);
return ret;
}