rcu_prepare_kthreads() is called when a CPU hotplug event happens. We can also spawn the nocb kthreads from this function. This is preparation for the next patch which remove the redundant check for rcu_scheduler_fully_active. This commit moves the spawning of nocb kthreads to rcu_prepare_kthreads().
Signed-off-by: Pranith Kumar <[email protected]> --- kernel/rcu/tree.c | 1 - kernel/rcu/tree_plugin.h | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index afd54e2..4dc449c 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3453,7 +3453,6 @@ static int rcu_cpu_notify(struct notifier_block *self, case CPU_UP_PREPARE_FROZEN: rcu_prepare_cpu(cpu); rcu_prepare_kthreads(cpu); - rcu_spawn_all_nocb_kthreads(cpu); break; case CPU_ONLINE: case CPU_DOWN_FAILED: diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 4d42791..9a50e1d 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1488,6 +1488,8 @@ static void rcu_prepare_kthreads(int cpu) /* Fire up the incoming CPU's kthread and leaf rcu_node kthread. */ if (rcu_scheduler_fully_active) rcu_spawn_one_boost_kthread(rcu_state_p, rnp); + + rcu_spawn_all_nocb_kthreads(cpu); } #else /* #ifdef CONFIG_RCU_BOOST */ -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
