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Date: Wed, 31 Aug 2022 11:07:59 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: rcu@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...com,
rostedt@...dmis.org
Subject: [PATCH rcu 0/7] Miscellaneous fixes for v6.1
Hello!
This series contains miscellaneous fixes:
1. Fix rcu_read_unlock_strict() strict QS reporting, courtesy
of Zqiang.
2. Update rcu_preempt_deferred_qs() comments for !PREEMPT kernels,
courtesy of Zqiang.
3. Add QS check in rcu_exp_handler() for non-preemptible kernels,
courtesy of Zqiang.
4. Make tiny RCU support leak callbacks for debug-object errors,
courtesy of Zqiang.
5. Document reason for rcu_all_qs() call to preempt_disable().
6. Update rcu_access_pointer() header for
rcu_dereference_protected().
7. Try trigger_single_cpu_backtrace(cpu) in dump_cpu_task(),
courtesy of Zhen Lei.
8. Show the registers of 'current' in dump_cpu_task(), courtesy of
Zhen Lei.
9. Avoid triggering strict-GP irq-work when RCU is idle, courtesy
of Zqiang.
10. Exclude outgoing CPU when it is the last to leave.
Thanx, Paul
------------------------------------------------------------------------
b/include/linux/rcupdate.h | 18 +++++++++++++-----
b/kernel/rcu/tiny.c | 17 ++++++++++++++++-
b/kernel/rcu/tree_exp.h | 4 +++-
b/kernel/rcu/tree_plugin.h | 1 +
b/kernel/rcu/tree_stall.h | 5 ++---
b/kernel/sched/core.c | 3 +++
b/kernel/smp.c | 3 +--
kernel/rcu/tree_plugin.h | 21 ++++++++++++++-------
kernel/sched/core.c | 11 +++++++++++
9 files changed, 64 insertions(+), 19 deletions(-)
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