Hello!
This series makes adjustments to RCU to better handle lazy preemption:
1. fix header guard for rcu_all_qs(), courtesy of Ankur Arora.
2. rename PREEMPT_AUTO to PREEMPT_LAZY, courtesy of Ankur Arora.
3. update __cond_resched comment about RCU quiescent states,
courtesy of Ankur Arora.
4. handle unstable rdp in rcu_read_unlock_strict(), courtesy of
Ankur Arora.
5. handle quiescent states for PREEMPT_RCU=n, PREEMPT_COUNT=y,
courtesy of Ankur Arora.
6. provide quiescent states, courtesy of Ankur Arora.
7. limit PREEMPT_RCU configurations, courtesy of Ankur Arora.
8. Make scenario TREE10 build CONFIG_PREEMPT_LAZY=y.
9. Make scenario TREE07 build CONFIG_PREEMPT_LAZY=y.
Thanx, Paul
------------------------------------------------------------------------
b/include/linux/rcupdate.h | 2 -
b/include/linux/rcutree.h | 2 -
b/include/linux/srcutiny.h | 2 -
b/kernel/rcu/Kconfig | 2 -
b/kernel/rcu/srcutiny.c | 14 +++----
b/kernel/rcu/tree_plugin.h | 11 +++++
b/kernel/sched/core.c | 4 +-
b/kernel/trace/trace_osnoise.c | 32 +++++++---------
b/tools/testing/selftests/rcutorture/configs/rcu/TREE07 | 3 +
b/tools/testing/selftests/rcutorture/configs/rcu/TREE10 | 3 +
kernel/rcu/Kconfig | 2 -
kernel/rcu/tree_plugin.h | 11 +++--
12 files changed, 51 insertions(+), 37 deletions(-)
