[PATCH v4 0/5] option-subject: RCU and CPU hotplug checks and docs

[Joel Fernandes (Google)]

This series improves/adds to RCU's warnings about CPU hotplug and adds
documentation and testing.

v3->v4: Minor cleanups.

Joel Fernandes (Google) (5):
rcu/tree: Add a warning if CPU being onlined did not report QS already
rcu/tree: Clarify comments about FQS loop reporting quiescent states
rcu/tree: Make FQS complaining about offline CPU more aggressive
rcutorture: Force synchronizing of RCU flavor from hotplug notifier
docs: Update RCU's hotplug requirements with a bit about design

.../RCU/Design/Requirements/Requirements.rst  | 22 +++++
kernel/rcu/rcutorture.c                       | 81 ++++++++++---------
kernel/rcu/tree.c                             | 39 +++++++--
3 files changed, 95 insertions(+), 47 deletions(-)

--
2.28.0.236.gb10cc79966-goog