| From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 17/20] rcu: Fix comment in rcu_organize_nocb_kthreads() | Date | Sat, 14 Jan 2017 01:13:18 -0800 |
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It used to be that the rcuo callback-offload kthreads were spawned in rcu_organize_nocb_kthreads(), and the comment before the "for" loop says as much. However, this spawning has long since moved to the CPU-hotplug code, so this commit fixes this comment.
Reported-by: Michalis Kokologiannakis <mixaskok@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- kernel/rcu/tree_plugin.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index e92d67a3fad2..9e295c3516dc 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -2377,8 +2377,9 @@ static void __init rcu_organize_nocb_kthreads(struct rcu_state *rsp) } /* - * Each pass through this loop sets up one rcu_data structure and - * spawns one rcu_nocb_kthread(). + * Each pass through this loop sets up one rcu_data structure. + * Should the corresponding CPU come online in the future, then + * we will spawn the needed set of rcu_nocb_kthread() kthreads. */ for_each_cpu(cpu, rcu_nocb_mask) { rdp = per_cpu_ptr(rsp->rda, cpu); -- 2.5.2
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