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From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
To: "Paul E . McKenney" <paulmck@kernel.org>
Cc: RCU <rcu@vger.kernel.org>,
	Neeraj upadhyay <Neeraj.Upadhyay@amd.com>,
	Boqun Feng <boqun.feng@gmail.com>,
	Hillf Danton <hdanton@sina.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Uladzislau Rezki <urezki@gmail.com>,
	Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>,
	Frederic Weisbecker <frederic@kernel.org>
Subject: [PATCH 00/48] RCU changes for v6.10
Date: Tue,  7 May 2024 11:34:42 +0200	[thread overview]
Message-ID: <20240507093530.3043-1-urezki@gmail.com> (raw)

This is for 6.10 kernel:

fixes: Fix a lockdep complain for lazy-preemptible kernel,
remove redundant BH disable for TINY_RCU, remove redundant READ_ONCE()
in tree.c, fix false positives KCSAN splat and fix buffer overflow in
the print_cpu_stall_info().

misc: Misc updates related to bpf, tracing and update the
MAINTAINERS file.

rcu-sync-normal-improve: An improvement of a normal
synchronize_rcu() call in terms of latency. It maintains a separate
track for sync. users only. This approach bypasses per-cpu nocb-lists
thus sync-users do not depend on nocb-list length and how fast regular
callbacks are processed.

rcu-tasks: RCU tasks, switch tasks RCU grace periods to
sleep at TASK_IDLE priority, fix some comments, add some diagnostic
warning to the exit_tasks_rcu_start() and fix a buffer overflow in
the show_rcu_tasks_trace_gp_kthread().

rcutorture: Increase memory to guest OS, fix a Tasks
Rude RCU testing, some updates for TREE09, dump mode information
to debug GP kthread state, remove redundant READ_ONCE(), fix some
comments about RCU_TORTURE_PIPE_LEN and pipe_count, remove some
redundant pointer initialization, fix a hung splat task by when
the rcutorture tests start to exit, fix invalid context warning,
add '--do-kvfree' parameter to torture test and use slow register
unregister callbacks only for rcutype test.

Johannes Berg (1):
  rcu: Mollify sparse with RCU guard

Neeraj Upadhyay (1):
  MAINTAINERS: Update Neeraj's email address

Nikita Kiryushin (2):
  rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow
  rcu: Fix buffer overflow in print_cpu_stall_info()

Paul E. McKenney (29):
  scftorture: Increase memory provided to guest OS
  rcutorture: Disable tracing to permit Tasks Rude RCU testing
  rcu: Add lockdep checks and kernel-doc header to rcu_softirq_qs()
  rcutorture: Enable RCU priority boosting for TREE09
  rcutorture: Dump # online CPUs on insufficient cb-flood laundering
  rcutorture: Dump GP kthread state on insufficient cb-flood laundering
  rcutorture: ASSERT_EXCLUSIVE_WRITER() for ->rtort_pipe_count updates
  rcu-tasks: Make Tasks RCU wait idly for grace-period delays
  bpf: Select new NEED_TASKS_RCU Kconfig option
  arch: Select new NEED_TASKS_RCU Kconfig option
  tracing: Select new NEED_TASKS_RCU Kconfig option
  bpf: Choose RCU Tasks based on TASKS_RCU rather than PREEMPTION
  ftrace: Choose RCU Tasks based on TASKS_RCU rather than PREEMPTION
  rcu: Make TINY_RCU depend on !PREEMPT_RCU rather than !PREEMPTION
  srcu: Make Tiny SRCU explicitly disable preemption
  rcu: Create NEED_TASKS_RCU to factor out enablement logic
  rcu: Remove redundant BH disabling in TINY_RCU
  rcu: Make Tiny RCU explicitly disable preemption
  rcu: Remove redundant READ_ONCE() of rcu_state.gp_flags in tree.c
  rcu: Bring diagnostic read of rcu_state.gp_flags into alignment
  rcu: Mark writes to rcu_sync ->gp_count field
  rcu: Mark loads from rcu_state.n_online_cpus
  rcu: Make hotplug operations track GP state, not flags
  rcu: Inform KCSAN of one-byte cmpxchg() in rcu_trc_cmpxchg_need_qs()
  rcu: Remove redundant CONFIG_PROVE_RCU #if condition
  rcu-tasks: Replace exit_tasks_rcu_start() initialization with
    WARN_ON_ONCE()
  rcutorture: Remove extraneous rcu_torture_pipe_update_one()
    READ_ONCE()
  rcutorture: Fix rcu_torture_one_read() pipe_count overflow comment
  torture: Scale --do-kvfree test time

Uladzislau Rezki (Sony) (6):
  rcu: Add data structures for synchronize_rcu()
  rcu: Update lockdep while in RCU read-side critical section
  rcu: Reduce synchronize_rcu() latency
  rcu: Add a trace event for synchronize_rcu_normal()
  rcu: Support direct wake-up of synchronize_rcu() users
  rcu: Allocate WQ with WQ_MEM_RECLAIM bit set

Zenghui Yu (1):
  doc: Remove references to arrayRCU.rst

Zqiang (7):
  rcu-tasks: Fix the comments for tasks_rcu_exit_srcu_stall_timer
  rcutorture: Use the gp_kthread_dbg operation specified by cur_ops
  rcutorture: Make rcutorture support print rcu-tasks gp state
  rcutorture: Removing redundant function pointer initialization
  rcutorture: Make stall-tasks directly exit when rcutorture tests end
  rcutorture: Fix invalid context warning when enable srcu barrier
    testing
  rcutorture: Use rcu_gp_slow_register/unregister() only for rcutype
    test

linke li (1):
  rcutorture: Re-use value stored to ->rtort_pipe_count instead of
    re-reading

 .mailmap                                              |    3 -
 Documentation/RCU/whatisRCU.rst                       |    6 +-
 Documentation/admin-guide/kernel-parameters.txt       |   14 ++++
 MAINTAINERS                                           |    2
 arch/Kconfig                                          |    4 -
 include/linux/rcupdate.h                              |    2
 include/linux/rcupdate_wait.h                         |   18 +++---
 include/linux/srcutiny.h                              |    2
 include/trace/events/rcu.h                            |   27 +++++++++
 kernel/bpf/Kconfig                                    |    2
 kernel/bpf/trampoline.c                               |    2
 kernel/rcu/Kconfig                                    |    2
 kernel/rcu/rcu.h                                      |   20 +++---
 kernel/rcu/rcutorture.c                               |    4 -
 kernel/rcu/srcutiny.c                                 |   31 ++++++++--
 kernel/rcu/srcutree.c                                 |    5 -
 kernel/rcu/sync.c                                     |    8 ++
 kernel/rcu/tasks.h                                    |    6 +-
 kernel/rcu/tiny.c                                     |    2
 kernel/rcu/tree.c                                     |   28 +++++++++
 kernel/rcu/tree.h                                     |   14 ++++
 kernel/rcu/tree_exp.h                                 |    2
 kernel/rcu/tree_plugin.h                              |    4 -
 kernel/rcu/tree_stall.h                               |    2
 kernel/rcu/update.c                                   |    4 -
 kernel/trace/Kconfig                                  |    4 -
 kernel/trace/ftrace.c                                 |    3 -
 tools/testing/selftests/rcutorture/bin/torture.sh     |    2
 tools/testing/selftests/rcutorture/configs/rcu/TREE09 |    5 +
 include/linux/rcupdate.h                                |   20 +++++-
 kernel/rcu/Kconfig                                      |    6 +-
 kernel/rcu/rcutorture.c                                 |   81 +++++++++++++++------------
 kernel/rcu/tasks.h                                      |   38 +++++++++++-
 kernel/rcu/tiny.c                                       |    2
 kernel/rcu/tree.c                                       |  408 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------
 kernel/rcu/tree.h                                       |   10 ++-
 kernel/rcu/tree_stall.h                                 |    9 ++-
 tools/testing/selftests/rcutorture/bin/torture.sh       |    4 -
 38 files changed, 666 insertions(+), 140 deletions(-)

-- 
2.39.2


             reply	other threads:[~2024-05-07  9:35 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07  9:34 Uladzislau Rezki (Sony) [this message]
2024-05-07  9:34 ` [PATCH 01/48] scftorture: Increase memory provided to guest OS Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 02/48] rcutorture: Disable tracing to permit Tasks Rude RCU testing Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 03/48] rcu: Add lockdep checks and kernel-doc header to rcu_softirq_qs() Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 04/48] rcutorture: Enable RCU priority boosting for TREE09 Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 05/48] rcutorture: Dump # online CPUs on insufficient cb-flood laundering Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 06/48] rcutorture: Dump GP kthread state " Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 07/48] rcutorture: ASSERT_EXCLUSIVE_WRITER() for ->rtort_pipe_count updates Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 08/48] rcu-tasks: Make Tasks RCU wait idly for grace-period delays Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 09/48] doc: Remove references to arrayRCU.rst Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 10/48] MAINTAINERS: Update Neeraj's email address Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 11/48] bpf: Select new NEED_TASKS_RCU Kconfig option Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 12/48] arch: " Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 13/48] rcu: Add data structures for synchronize_rcu() Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 14/48] tracing: Select new NEED_TASKS_RCU Kconfig option Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 15/48] bpf: Choose RCU Tasks based on TASKS_RCU rather than PREEMPTION Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 16/48] ftrace: " Uladzislau Rezki (Sony)
2024-05-07  9:34 ` [PATCH 17/48] rcu: Update lockdep while in RCU read-side critical section Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 18/48] rcu: Make TINY_RCU depend on !PREEMPT_RCU rather than !PREEMPTION Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 19/48] srcu: Make Tiny SRCU explicitly disable preemption Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 20/48] rcu: Create NEED_TASKS_RCU to factor out enablement logic Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 21/48] rcu: Remove redundant BH disabling in TINY_RCU Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 22/48] rcu: Make Tiny RCU explicitly disable preemption Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 23/48] rcu: Remove redundant READ_ONCE() of rcu_state.gp_flags in tree.c Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 24/48] rcu: Bring diagnostic read of rcu_state.gp_flags into alignment Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 25/48] rcu: Mark writes to rcu_sync ->gp_count field Uladzislau Rezki (Sony)
2024-05-07 14:54   ` Oleg Nesterov
2024-05-07 17:44     ` Paul E. McKenney
2024-05-09 15:13       ` Oleg Nesterov
2024-05-10  3:59         ` Paul E. McKenney
2024-05-10 11:31           ` Oleg Nesterov
2024-05-10 14:00             ` Alan Huang
2024-05-10 14:04             ` Paul E. McKenney
2024-05-12 10:53               ` Oleg Nesterov
2024-05-12 14:57                 ` Paul E. McKenney
2024-05-10 13:18       ` Oleg Nesterov
2024-05-10 13:50         ` Oleg Nesterov
2024-05-10 14:11           ` Paul E. McKenney
2024-05-12 10:41             ` Oleg Nesterov
2024-05-13 14:13             ` Marco Elver
2024-05-14 16:54               ` Paul E. McKenney
2024-05-10 13:58         ` Paul E. McKenney
2024-05-12 11:19   ` [PATCH] rcu/sync: don't read rcu_sync->gp_count lockless Oleg Nesterov
2024-05-12 15:10     ` Paul E. McKenney
2024-05-12 16:55       ` Oleg Nesterov
2024-05-12 17:11         ` Paul E. McKenney
2024-05-12 18:06           ` Oleg Nesterov
2024-05-07  9:35 ` [PATCH 26/48] rcu: Mark loads from rcu_state.n_online_cpus Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 27/48] rcu: Make hotplug operations track GP state, not flags Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 28/48] rcu: Inform KCSAN of one-byte cmpxchg() in rcu_trc_cmpxchg_need_qs() Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 29/48] rcu: Remove redundant CONFIG_PROVE_RCU #if condition Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 30/48] rcu-tasks: Replace exit_tasks_rcu_start() initialization with WARN_ON_ONCE() Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 31/48] rcu-tasks: Fix the comments for tasks_rcu_exit_srcu_stall_timer Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 32/48] rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 33/48] rcu: Mollify sparse with RCU guard Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 34/48] rcu: Fix buffer overflow in print_cpu_stall_info() Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 35/48] rcu: Reduce synchronize_rcu() latency Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 36/48] rcu: Add a trace event for synchronize_rcu_normal() Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 37/48] rcu: Support direct wake-up of synchronize_rcu() users Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 38/48] rcu: Allocate WQ with WQ_MEM_RECLAIM bit set Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 39/48] rcutorture: Remove extraneous rcu_torture_pipe_update_one() READ_ONCE() Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 40/48] rcutorture: Fix rcu_torture_one_read() pipe_count overflow comment Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 41/48] rcutorture: Re-use value stored to ->rtort_pipe_count instead of re-reading Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 42/48] rcutorture: Use the gp_kthread_dbg operation specified by cur_ops Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 43/48] rcutorture: Make rcutorture support print rcu-tasks gp state Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 44/48] rcutorture: Removing redundant function pointer initialization Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 45/48] rcutorture: Make stall-tasks directly exit when rcutorture tests end Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 46/48] rcutorture: Fix invalid context warning when enable srcu barrier testing Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 47/48] torture: Scale --do-kvfree test time Uladzislau Rezki (Sony)
2024-05-07  9:35 ` [PATCH 48/48] rcutorture: Use rcu_gp_slow_register/unregister() only for rcutype test Uladzislau Rezki (Sony)

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