[00/18] RCU fixes for v6.7

Message

Frederic Weisbecker Oct. 13, 2023, 11:58 a.m. UTC

Hello,

Please find below the general (S)RCU fixes:

Catalin Marinas (1):
  rcu: kmemleak: Ignore kmemleak false positives when RCU-freeing
    objects

Denis Arefev (1):
  srcu: Fix srcu_struct node grpmask overflow on 64-bit systems

Frederic Weisbecker (8):
  rcu: Use rcu_segcblist_segempty() instead of open coding it
  rcu: Assume IRQS disabled from rcu_report_dead()
  rcu: Assume rcu_report_dead() is always called locally
  rcu: Conditionally build CPU-hotplug teardown callbacks
  rcu: Standardize explicit CPU-hotplug calls
  rcu: Comment why callbacks migration can't wait for CPUHP_RCUTREE_PREP
  srcu: Fix callbacks acceleration mishandling
  srcu: Only accelerate on enqueue time

Joel Fernandes (Google) (3):
  Revert "checkpatch: Error out if deprecated RCU API used"
  srcu: Fix error handling in init_srcu_struct_fields()
  rcu/tree: Remove superfluous return from void call_rcu* functions

Paul E. McKenney (2):
  rcu: Add sysfs to provide throttled access to rcu_barrier()
  rcu: Eliminate rcu_gp_slow_unregister() false positive

Yue Haibing (1):
  rcu: Remove unused function declaration rcu_eqs_special_set()

Zhen Lei (2):
  mm: Remove kmem_valid_obj()
  rcu: Dump memory object info if callback function is invalid

 .../Expedited-Grace-Periods.rst               |   2 +-
 .../Design/Memory-Ordering/TreeRCU-gp-fqs.svg |   4 +-
 .../RCU/Design/Memory-Ordering/TreeRCU-gp.svg |   4 +-
 .../Memory-Ordering/TreeRCU-hotplug.svg       |   4 +-
 .../RCU/Design/Requirements/Requirements.rst  |   4 +-
 .../admin-guide/kernel-parameters.txt         |   7 +
 arch/arm64/kernel/smp.c                       |   4 +-
 arch/powerpc/kernel/smp.c                     |   2 +-
 arch/s390/kernel/smp.c                        |   2 +-
 arch/x86/kernel/smpboot.c                     |   2 +-
 include/linux/interrupt.h                     |   2 +-
 include/linux/rcupdate.h                      |   2 -
 include/linux/rcutiny.h                       |   2 +-
 include/linux/rcutree.h                       |  17 +-
 include/linux/slab.h                          |   5 +-
 kernel/cpu.c                                  |  13 +-
 kernel/rcu/rcu.h                              |   7 +
 kernel/rcu/rcu_segcblist.c                    |   4 +-
 kernel/rcu/srcutiny.c                         |   1 +
 kernel/rcu/srcutree.c                         |  76 ++++--
 kernel/rcu/tasks.h                            |   1 +
 kernel/rcu/tiny.c                             |   1 +
 kernel/rcu/tree.c                             | 230 ++++++++++++------
 mm/slab_common.c                              |  41 +---
 mm/util.c                                     |   4 +-
 scripts/checkpatch.pl                         |   9 -
 26 files changed, 284 insertions(+), 166 deletions(-)