[v2,0/6] RCU fixes for rcu_assign_pointer() usage
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Message ID 20190223063434.6793-1-joel@joelfernandes.org
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  • RCU fixes for rcu_assign_pointer() usage
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Joel Fernandes Feb. 23, 2019, 6:34 a.m. UTC
These patches fix various sparse errors found as a result of the recent check
to add rcu_check_sparse() to rcu_assign_pointer().  The errors in some cases
seem to either missing API usage, or 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 to various scheduler patches (Peter Zijlstra)

Joel Fernandes (Google) (6):
net: rtnetlink: Fix incorrect RCU API usage
ixgbe: Fix incorrect RCU API usage
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

drivers/net/ethernet/intel/ixgbe/ixgbe.h      |  4 ++--
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 15 ++++++++++-----
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 +++++-----
net/core/rtnetlink.c                          |  4 ++--
8 files changed, 32 insertions(+), 27 deletions(-)