diff options
Diffstat (limited to 'kernel/rcu/tree.h')
| -rw-r--r-- | kernel/rcu/tree.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 2ef036b356f7..4edc277d08eb 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -27,6 +27,7 @@ #include <linux/threads.h> #include <linux/cpumask.h> #include <linux/seqlock.h> +#include <linux/stop_machine.h> /* * Define shape of hierarchy based on NR_CPUS, CONFIG_RCU_FANOUT, and @@ -298,6 +299,9 @@ struct rcu_data { /* ticks this CPU has handled */ /* during and after the last grace */ /* period it is aware of. */ + struct cpu_stop_work exp_stop_work; + /* Expedited grace-period control */ + /* for CPU stopping. */ /* 2) batch handling */ /* @@ -491,6 +495,8 @@ struct rcu_state { atomic_long_t expedited_workdone1; /* # done by others #1. */ atomic_long_t expedited_workdone2; /* # done by others #2. */ atomic_long_t expedited_normal; /* # fallbacks to normal. */ + atomic_t expedited_need_qs; /* # CPUs left to check in. */ + wait_queue_head_t expedited_wq; /* Wait for check-ins. */ unsigned long jiffies_force_qs; /* Time at which to invoke */ /* force_quiescent_state(). */ |