Messages in this thread | | | From | Frederic Weisbecker <> | Subject | [PATCH 00/10] rcu: Allow a CPU to leave and reenter NOCB state | Date | Wed, 13 May 2020 18:47:04 +0200 |
| |
This is a necessary step toward making nohz_full controllable through cpuset. Next step should be to allow a CPU to be nocb even if it wasn't part of the nocb set on boot.
The core design of this set is mostly based on suggestions from Paul of course.
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git rcu/nohz
HEAD: 31cb4ee9da4e9cc6314498ff22d83f0d872b1a88
Thanks, Frederic ---
Frederic Weisbecker (10): rcu: Directly lock rdp->nocb_lock on nocb code entrypoints rcu: Use direct rdp->nocb_lock operations on local calls rcu: Make locking explicit in do_nocb_deferred_wakeup_common() rcu: Implement rcu_segcblist_is_offloaded() config dependent rcu: Remove useless conditional nocb unlock rcu: Make nocb_cb kthread parkable rcu: Temporarily assume that nohz full CPUs might not be NOCB rcu: Allow to deactivate nocb on a CPU rcu: Allow to re-offload a CPU that used to be nocb rcu: Nocb (de)activate through sysfs
include/linux/rcu_segcblist.h | 2 + include/linux/rcupdate.h | 4 ++ kernel/cpu.c | 23 +++++++ kernel/rcu/rcu_segcblist.c | 6 +- kernel/rcu/rcu_segcblist.h | 8 ++- kernel/rcu/tree.c | 24 +++---- kernel/rcu/tree.h | 2 +- kernel/rcu/tree_plugin.h | 149 ++++++++++++++++++++++++++++++++++-------- 8 files changed, 172 insertions(+), 46 deletions(-)
| |