[GIT PULL] RCU changes for v6.8
From: Neeraj Upadhyay (AMD)
Date: Thu Jan 11 2024 - 13:33:14 EST
Hi Linus,
Please pull the latest RCU git tree from:
https://github.com/neeraju/linux.git tags/rcu.release.v6.8
# HEAD: 7dfb03dd24d43b9e7a725e70d2e8a83bb29df294:
Merge branches 'doc.2023.12.13a', 'torture.2023.11.23a', 'fixes.2023.12.13a', 'rcu-tasks.2023.12.12b' and 'srcu.2023.12.13a' into rcu-merge.2023.12.13a (2023-12-14 01:21:31 +0530)
----------------------------------------------------------------
RCU pull request for v6.8
This pull request contains the following branches:
doc.2023.12.13a: Documentation and comment updates.
torture.2023.11.23a: RCU torture, locktorture updates that include
cleanups; nolibc init build support for mips, ppc and rv64;
testing of mid stall duration scenario and fixing fqs task
creation conditions.
fixes.2023.12.13a: Misc fixes, most notably restricting usage of
RCU CPU stall notifiers, to confine their usage primarily
to debug kernels.
rcu-tasks.2023.12.12b: RCU tasks minor fixes.
srcu.2023.12.13a: lockdep annotation fix for NMI-safe accesses,
callback advancing/acceleration cleanup and documentation
improvements.
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Charles Han (1):
Documentation: RCU: Remove repeated word in comments
Frederic Weisbecker (3):
srcu: Remove superfluous callbacks advancing from srcu_gp_start()
srcu: No need to advance/accelerate if no callback enqueued
srcu: Explain why callbacks invocations can't run concurrently
Neeraj Upadhyay (AMD) (1):
Merge branches 'doc.2023.12.13a', 'torture.2023.11.23a', 'fixes.2023.12.13a', 'rcu-tasks.2023.12.12b' and 'srcu.2023.12.13a' into rcu-merge.2023.12.13a
Paul E. McKenney (7):
locktorture: Increase Hamming distance between call_rcu_chain and rcu_call_chains
rcutorture: Add mid-sized stall to TREE07
rcu-tasks: Mark RCU Tasks accesses to current->rcu_tasks_idle_cpu
rcu: Restrict access to RCU CPU stall notifiers
doc: Clarify RCU Tasks reader/updater checklist
doc: Mention address and data dependencies in rcu_dereference.rst
doc: Clarify historical disclaimers in memory-barriers.txt
Pedro Falcato (1):
rcu: Remove unused macros from rcupdate.h
Philipp Stanner (1):
rculist.h: docs: Fix wrong function summary
Sebastian Andrzej Siewior (1):
srcu: Use try-lock lockdep annotation for NMI-safe access.
Thomas Weißschuh (1):
rcutorture: add nolibc init support for mips, ppc and rv64
Zqiang (2):
rcutorture: Add fqs_holdoff check before fqs_task is created
rcu: Force quiescent states only for ongoing grace period
Documentation/RCU/checklist.rst | 25 ++++++++++++++++---------
Documentation/RCU/rcu_dereference.rst | 27 ++++++++++++++++++++-------
Documentation/RCU/torture.rst | 2 +-
Documentation/admin-guide/kernel-parameters.txt | 6 ++++++
Documentation/memory-barriers.txt | 17 ++++++++++-------
include/linux/rcu_notifier.h | 6 +++---
include/linux/rculist.h | 2 +-
include/linux/rcupdate.h | 9 ++++++---
include/linux/srcu.h | 2 +-
kernel/locking/locktorture.c | 18 +++++++++---------
kernel/rcu/Kconfig.debug | 25 +++++++++++++++++++++++++
kernel/rcu/rcu.h | 8 +++++---
kernel/rcu/rcutorture.c | 16 ++++++++++------
kernel/rcu/srcutree.c | 24 +++++++++++-------------
kernel/rcu/tasks.h | 4 ++--
kernel/rcu/tree.c | 2 ++
kernel/rcu/tree_stall.h | 11 ++++++++++-
kernel/rcu/update.c | 6 ++++++
tools/testing/selftests/rcutorture/bin/mkinitrd.sh | 5 ++++-
tools/testing/selftests/rcutorture/configs/rcu/TREE07.boot | 3 +++
20 files changed, 151 insertions(+), 67 deletions(-)