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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-09-02 12:30:58 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-10-28 13:49:28 -0700 |
| commit | 61cfd0970ea27764434fba5c41bdaefb26c44183 (patch) | |
| tree | 302b7b47a56aa179a4a7a77f019d87e34d1ab52d /kernel/rcu/tree_plugin.h | |
| parent | 4568779f7143f88fc5fbe7a8d619653e28f24ad1 (diff) | |
| download | linux-61cfd0970ea27764434fba5c41bdaefb26c44183.tar.bz2 | |
rcu: Move RCU_BOOST variable declarations, eliminating #ifdef
There are some RCU_BOOST-specific per-CPU variable declarations that
are needlessly defined under #ifdef in kernel/rcu/tree.c. This commit
therefore moves these declarations into a pre-existing #ifdef in
kernel/rcu/tree_plugin.h.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
| -rw-r--r-- | kernel/rcu/tree_plugin.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index c1d7f27bd38f..357891104ea0 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -33,11 +33,24 @@ #define RCU_KTHREAD_PRIO 1 #ifdef CONFIG_RCU_BOOST + #include "../locking/rtmutex_common.h" #define RCU_BOOST_PRIO CONFIG_RCU_BOOST_PRIO -#else + +/* + * Control variables for per-CPU and per-rcu_node kthreads. These + * handle all flavors of RCU. + */ +static DEFINE_PER_CPU(struct task_struct *, rcu_cpu_kthread_task); +DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_status); +DEFINE_PER_CPU(unsigned int, rcu_cpu_kthread_loops); +DEFINE_PER_CPU(char, rcu_cpu_has_work); + +#else /* #ifdef CONFIG_RCU_BOOST */ + #define RCU_BOOST_PRIO RCU_KTHREAD_PRIO -#endif + +#endif /* #else #ifdef CONFIG_RCU_BOOST */ #ifdef CONFIG_RCU_NOCB_CPU static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */ |