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Subject[PATCH tip/core/rcu 0/24] Miscellaneous fixes for v5.10
Hello!

This series provides miscellaneous fixes:

1. Remove KCSAN stubs from tree.c.

2. Remove KCSAN stubs from update.c.

3. Remove KCSAN stubs from srcutree.c.

4. Initialize at declaration time in rcu_exp_handler().

5. rcu/trace: Print negative GP numbers correctly.

6. rcu/trace: Use gp_seq_req in acceleration's rcu_grace_period
tracepoint.

7. Clarify RCU nocb CPU error message.

8. rcu/tree: Force quiescent state on callback overload.

9. rcu/tree: Remove CONFIG_PREMPT_RCU check in force_qs_rnp().

10. Remove show_rcu_nocb_state() false positive printout.

11. Add READ_ONCE() to rcu_do_batch() access to rcu_divisor.

12. Add READ_ONCE() to rcu_do_batch() access to rcu_resched_ns.

13. Add READ_ONCE() to rcu_do_batch() access to rcu_kick_kthreads.

14. Add READ_ONCE() to rcu_do_batch() access to rcu_cpu_stall_ftrace_dump.

15. Fix kerneldoc comments in rcupdate.h.

16. Introduce list/hlist_for_each_entry_srcu() macros.

17. mmu: page_track: Fix RCU list API usage.

18. Move rcu_cpu_started per-CPU variable to rcu_data.

19. rcu/nocb: Add a warning for non-GP kthread running GP code.

20. Clarify comments about FQS loop reporting quiescent states.

21. Make FQS more aggressive in complaining about offline CPUs.

22. Remove unused __rcu_is_watching() function.

23. rcu/segcblist: Prevent useless GP start if no CBs to accelerate.

24. Shrink each possible cpu krcp.

Thanx, Paul

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

arch/x86/kvm/mmu/page_track.c | 6 +-
include/linux/rculist.h | 48 +++++++++++++++++++++
include/linux/rcupdate.h | 12 ++---
include/linux/rcutiny.h | 1
include/linux/rcutree.h | 1
include/trace/events/rcu.h | 54 ++++++++++++------------
kernel/entry/common.c | 2
kernel/rcu/rcu_segcblist.c | 10 ++++
kernel/rcu/srcutree.c | 13 -----
kernel/rcu/tree.c | 92 +++++++++++++++++++++---------------------
kernel/rcu/tree.h | 1
kernel/rcu/tree_exp.h | 6 --
kernel/rcu/tree_plugin.h | 8 +--
kernel/rcu/tree_stall.h | 8 +--
kernel/rcu/update.c | 13 -----
15 files changed, 154 insertions(+), 121 deletions(-)

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