Hello!
This series contains miscellaneous fixes:
1. Merge identical definitions of the rcu_synchronize structure
and the wakeme_after_rcu() functions.
2. Avoid needlessly writing to rnp->completed when a new grace
period is started, courtesy of Lai Jiangshan.
3. Fix a couple of typos in rcu_all_qs() comment header.
4. Eliminate CONFIG_PROVE_RCU as a separately settable Kconfig
parameter by driving its value off of CONFIG_PROVE_LOCKING.
5. Remove a #ifdef from tree.c by moving the rcu_init_levelspread()
functions to tree_plugin.h. Only moves code.
6. Improve diagnostics for blocked critical sections in interrupt
handlers.
7. Use IS_ENABLED() to simplify rcu_bootup_announce_oddness().
8. Add rcu_bootup_announce_oddness() check for non-default
CONFIG_RCU_FANOUT_LEAF values.
9. Reverse rcu_dereference_check() conditions to avoid invoking
lockdep functions from NMI handlers.
10. Avoid script syntax error when insufficient CPUs.
11. Put rcu_sched_force_quiescent_state() back where it belongs.
Only code movement.
12. Remove redundant check of cpu_online() by __call_rcu_core(),
courtesy of Yao Dongdong.
Thanx, Paul
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