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Subject[PATCH tip/core/rcu 0/11] Preemptible-RCU updates for v5.6
Hello!

This series contains preemptible-RCU updates for v5.6:

1. Fix dump_tree hierarchy print always active, courtesy of
Stefan Reiter.

2. Avoid data-race in rcu_gp_fqs_check_wake(), courtesy of Eric
Dumazet.

3. Use lockdep rather than comment to enforce lock held.

4. Make PREEMPT_RCU be a modifier to TREE_RCU, courtesy of
Lai Jiangshan.

5. Use CONFIG_PREEMPTION where appropriate, courtesy of Sebastian
Andrzej Siewior.

6. Rename some instances of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU,
courtesy of Lai Jiangshan.

7. Clear .exp_hint only when deferred quiescent state has been
reported, courtesy of Lai Jiangshan.

8. Clear ->rcu_read_unlock_special only once, courtesy of Lai
Jiangshan.

9. Use READ_ONCE() for ->expmask in rcu_read_unlock_special().

10. Provide wrappers for uses of ->rcu_read_lock_nesting, courtesy
of Lai Jiangshan.

11. Avoid tick_dep_set_cpu() misordering.

Thanx, Paul

------------------------------------------------------------------------

include/linux/rcupdate.h | 8 +--
include/trace/events/rcu.h | 4 -
kernel/rcu/Kconfig | 17 +++---
kernel/rcu/Makefile | 1
kernel/rcu/rcu.h | 2
kernel/rcu/rcutorture.c | 2
kernel/rcu/srcutiny.c | 2
kernel/rcu/tree.c | 20 ++++---
kernel/rcu/tree_exp.h | 6 +-
kernel/rcu/tree_plugin.h | 118 +++++++++++++++++++++++++--------------------
kernel/rcu/tree_stall.h | 6 +-
kernel/rcu/update.c | 2
kernel/sysctl.c | 2
13 files changed, 105 insertions(+), 85 deletions(-)

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