linux-kernel - [PATCH v2 0/4] RCU fixes for rcu_assign

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Message-Id: <20190321003426.160260-1-joel@joelfernandes.org>
Date:   Wed, 20 Mar 2019 20:34:22 -0400
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org
Cc:     "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Ingo Molnar <mingo@...hat.com>,
        Josh Triplett <josh@...htriplett.org>, keescook@...omium.org,
        kernel-hardening@...ts.openwall.com, kernel-team@...roid.com,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>, rcu@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH v2 0/4] RCU fixes for rcu_assign_pointer() usage

This is just a resend with scheduler patches split from the driver fixes and
Paul's Reviewed-by(s) added.

These patches fix various sparse errors ccaused as a result of the recent check
to add rcu_check_sparse() to rcu_assign_pointer().  The errors are due to
missing annotations. The annotations added in the series can also help avoid
future incorrect usages and bugs so it is a good idea to do in any case.

RFC v1 -> Patch v2:
Made changes based on Peter Zijlstra review.

Joel Fernandes (Google) (4):
sched/cpufreq: Annotate cpufreq_update_util_data pointer with __rcu
sched_domain: Annotate RCU pointers properly
rcuwait: Annotate task_struct with __rcu
sched: Annotate perf_domain pointer with __rcu

include/linux/rcuwait.h        |  2 +-
include/linux/sched/topology.h |  4 ++--
kernel/sched/cpufreq.c         |  2 +-
kernel/sched/sched.h           | 18 +++++++++---------
kernel/sched/topology.c        | 10 +++++-----
5 files changed, 18 insertions(+), 18 deletions(-)

--
2.21.0.225.g810b269d1ac-goog