[PATCH 3.12 21/38] rcu: Fix soft lockup for rcu_nocb_kthread

2016-12-13 Thread Jiri Slaby
From: Ding Tianhong 3.12-stable review patch. If anyone has any objections, please let me know. === commit bedc1969150d480c462cdac320fa944b694a7162 upstream. Carrying out the following steps results in a softlockup in the RCU callback-offload (rcuo)

[PATCH 3.12 21/38] rcu: Fix soft lockup for rcu_nocb_kthread

2016-12-13 Thread Jiri Slaby
From: Ding Tianhong 3.12-stable review patch. If anyone has any objections, please let me know. === commit bedc1969150d480c462cdac320fa944b694a7162 upstream. Carrying out the following steps results in a softlockup in the RCU callback-offload (rcuo) kthreads: 1. Connect to