[rcu,00/20] SRCU changes for v6.15

Message

Boqun Feng Feb. 24, 2025, 2:21 a.m. UTC

Hi,

Please find the upcoming changes in SRCU for v6.15. The changes can also
be found at:

	git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux.git srcu.2025.02.05a

Regards,
Boqun

Paul E. McKenney (20):
  srcu: Make Tiny SRCU able to operate in preemptible kernels
  srcu: Define SRCU_READ_FLAVOR_ALL in terms of symbols
  srcu: Use ->srcu_gp_seq for rcutorture reader batch
  srcu: Pull ->srcu_{un,}lock_count into a new srcu_ctr structure
  srcu: Make SRCU readers use ->srcu_ctrs for counter selection
  srcu: Make Tree SRCU updates independent of ->srcu_idx
  srcu: Force synchronization for srcu_get_delay()
  srcu: Rename srcu_check_read_flavor_lite() to
    srcu_check_read_flavor_force()
  srcu: Add SRCU_READ_FLAVOR_SLOWGP to flag need for synchronize_rcu()
  srcu: Pull pointer-to-integer conversion into __srcu_ptr_to_ctr()
  srcu: Pull integer-to-pointer conversion into __srcu_ctr_to_ptr()
  srcu: Move SRCU Tree/Tiny definitions from srcu.h
  srcu: Add SRCU-fast readers
  rcutorture: Add ability to test srcu_read_{,un}lock_fast()
  refscale: Add srcu_read_lock_fast() support using "srcu-fast"
  rcutorture:  Make scenario SRCU-P use srcu_read_lock_fast()
  srcu: Fix srcu_read_unlock_{lite,nmisafe}() kernel-doc
  srcu: Document that srcu_{read_lock,down_read}() can share srcu_struct
  srcu: Add srcu_down_read_fast() and srcu_up_read_fast()
  srcu: Make SRCU-fast also be NMI-safe

 include/linux/srcu.h                          | 102 +++++++--
 include/linux/srcutiny.h                      |  27 ++-
 include/linux/srcutree.h                      |  98 +++++++--
 kernel/rcu/rcu.h                              |   9 +-
 kernel/rcu/rcutorture.c                       |  11 +
 kernel/rcu/refscale.c                         |  32 ++-
 kernel/rcu/srcutiny.c                         |   6 +
 kernel/rcu/srcutree.c                         | 199 +++++++++---------
 .../rcutorture/configs/rcu/SRCU-P.boot        |   1 +
 9 files changed, 359 insertions(+), 126 deletions(-)