So here is a different approach to solve the early SRCU issue.
Early initialized ssp's are reset on srcu_init() and their callbacks get
requeued.
I expanded testing in the last patch.
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
rcu/dev
HEAD: 0dc3551822c74a0f34783cbd64a9199c9758ec6d
Thanks,
Frederic
---
Frederic Weisbecker (5):
srcu: Unconditionally embed struct lockdep_map
srcu: Initialize SRCU after timers
srcu: Fix broken node geometry after early ssp init
srcu: Queue a callback in case of early started poll
srcu: Early test SRCU polling start
include/linux/srcu.h | 6 +++
include/linux/srcutree.h | 4 +-
init/main.c | 2 +
kernel/rcu/rcu.h | 6 ---
kernel/rcu/srcutree.c | 119 ++++++++++++++++++++++++++++++++++++++++++-----
kernel/rcu/tiny.c | 1 -
kernel/rcu/tree.c | 1 -
kernel/rcu/update.c | 12 ++++-
8 files changed, 129 insertions(+), 22 deletions(-)
