Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1561250
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 tip/core/rcu 15/18] rcu: Fix comment in rcu_organize_nocb_kthreads() |
| Date | 2017-01-18 04:30 +0100 |
| Message-ID | <t0P6F-7de-1@gated-at.bofh.it> (permalink) |
| References | <t0ODD-6Iu-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
---
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 56583e764ebf..2f5541f6f031 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -2366,8 +2366,9 @@ 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
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Re: [PATCH tip/core/rcu 0/20] Miscellaneous fixes for 4.11 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:00 +0100
[PATCH v2 tip/core/rcu 01/18] rcu: update: Make RCU_EXPEDITE_BOOT be the default "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:00 +0100
[PATCH v2 tip/core/rcu 14/18] rcu: Enable RCU tracepoints by default to aid in debugging "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:00 +0100
[PATCH v2 tip/core/rcu 08/18] rcu: Remove short-term CPU kicking "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:00 +0100
Re: [PATCH v2 tip/core/rcu 08/18] rcu: Remove short-term CPU kicking Josh Triplett <josh@joshtriplett.org> - 2017-01-21 21:50 +0100
Re: [PATCH v2 tip/core/rcu 08/18] rcu: Remove short-term CPU kicking "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-23 20:40 +0100
[PATCH v2 tip/core/rcu 11/18] rcu: Don't wake rcuc/X kthreads on NOCB CPUs "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:10 +0100
[PATCH v2 tip/core/rcu 15/18] rcu: Fix comment in rcu_organize_nocb_kthreads() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:30 +0100
[PATCH v2 tip/core/rcu 06/18] rcu: Remove unused but set variable "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:40 +0100
[PATCH v2 tip/core/rcu 13/18] rcu: Make rcu_cpu_starting() use its "cpu" argument "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 04:40 +0100
[PATCH v2 tip/core/rcu 18/18] rcu: Add lockdep checks to synchronous expedited primitives "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 05:00 +0100
[PATCH v2 tip/core/rcu 03/18] Fix: Disable sys_membarrier when nohz_full is enabled "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 05:40 +0100
[PATCH v2 tip/core/rcu 12/18] rcu: Add comment headers to expedited-grace-period counter functions "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 05:50 +0100
[PATCH v2 tip/core/rcu 17/18] rcu: Eliminate unused expedited_normal counter "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 05:50 +0100
[PATCH v2 tip/core/rcu 16/18] llist: Clarify comments about when locking is needed "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 06:20 +0100
[PATCH v2 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 06:40 +0100
Re: [PATCH v2 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err Josh Triplett <josh@joshtriplett.org> - 2017-01-21 21:50 +0100
Re: [PATCH v2 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-23 20:40 +0100
Re: [PATCH v2 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err Josh Triplett <josh@joshtriplett.org> - 2017-01-23 23:40 +0100
Re: [PATCH v2 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 01:20 +0100
[PATCH v2 tip/core/rcu 05/18] rcu: Remove unneeded rcu_process_callbacks() declarations "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 07:10 +0100
[PATCH v2 tip/core/rcu 07/18] rcu: Add long-term CPU kicking "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-18 07:10 +0100
Re: [PATCH v2 tip/core/rcu 07/18] rcu: Add long-term CPU kicking Josh Triplett <josh@joshtriplett.org> - 2017-01-21 21:50 +0100
Re: [PATCH v2 tip/core/rcu 07/18] rcu: Add long-term CPU kicking "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-23 20:40 +0100
Re: [PATCH v2 tip/core/rcu 07/18] rcu: Add long-term CPU kicking Josh Triplett <josh@joshtriplett.org> - 2017-01-23 21:30 +0100
Re: [PATCH v2 tip/core/rcu 07/18] rcu: Add long-term CPU kicking Josh Triplett <josh@joshtriplett.org> - 2017-01-21 21:50 +0100
[PATCH v3 tip/core/rcu 0/18] Miscellaneous fixes for 4.11 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 17/18] rcu: Eliminate unused expedited_normal counter "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 04/18] rcu: Only dump stalled-tasks stacks if there was a real stall "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 16/18] llist: Clarify comments about when locking is needed "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 06/18] rcu: Remove unused but set variable "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 05/18] rcu: Remove unneeded rcu_process_callbacks() declarations "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 02/18] lockdep: Make RCU suspicious-access splats use pr_err "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 12/18] rcu: Add comment headers to expedited-grace-period counter functions "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 14/18] rcu: Enable RCU tracepoints by default to aid in debugging "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 07/18] rcu: Add long-term CPU kicking "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 18/18] rcu: Add lockdep checks to synchronous expedited primitives "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 11/18] rcu: Don't wake rcuc/X kthreads on NOCB CPUs "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 13/18] rcu: Make rcu_cpu_starting() use its "cpu" argument "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 10/18] rcu: Re-enable TASKS_RCU for User Mode Linux "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
[PATCH v3 tip/core/rcu 15/18] rcu: Fix comment in rcu_organize_nocb_kthreads() "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-24 23:00 +0100
csiph-web