linux-kernel - [PATCH rcu 0/7] RCU-related lockdep changes for v6.4

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Message-Id: <20230317031339.10277-1-boqun.feng@gmail.com>
Date:   Thu, 16 Mar 2023 20:13:32 -0700
From:   Boqun Feng <boqun.feng@...il.com>
To:     rcu@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Boqun Feng <boqun.feng@...il.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Shuah Khan <shuah@...nel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        seanjc@...gle.com, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH rcu 0/7] RCU-related lockdep changes for v6.4

Hi,

This series enables deadlock detection for srcu_read_lock() vs
synchronize_srcu().

Again, my first time helping prepare PR, so please take a careful look
and yell at me if there is something wrong. Thanks a lot!

You will also be able to find the series at:

	https://github/fbq/linux rcu/lockdep.2023.03.12a

top commit is:

	24390de55773	

List of changes:

Boqun Feng (4):
  locking/lockdep: Introduce lock_sync()
  rcu: Annotate SRCU's update-side lockdep dependencies
  locking: Reduce the number of locks in ww_mutex stress tests
  locking/lockdep: Improve the deadlock scenario print for sync and read
    lock

Paul E. McKenney (3):
  rcutorture: Add SRCU deadlock scenarios
  rcutorture: Add RCU Tasks Trace and SRCU deadlock scenarios
  rcutorture: Add srcu_lockdep.sh

 include/linux/lockdep.h                       |   8 +-
 include/linux/srcu.h                          |  34 +++-
 kernel/locking/lockdep.c                      |  64 +++++-
 kernel/locking/test-ww_mutex.c                |   2 +-
 kernel/rcu/rcutorture.c                       | 185 ++++++++++++++++++
 kernel/rcu/srcutiny.c                         |   2 +
 kernel/rcu/srcutree.c                         |   2 +
 .../selftests/rcutorture/bin/srcu_lockdep.sh  |  73 +++++++
 8 files changed, 359 insertions(+), 11 deletions(-)
 create mode 100755 tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh

-- 
2.39.2