Hello! This series contains miscellaneous fixes: 1. Decrease FQS scan wait time in case of callback overloading. 2. Avoid tracing a few functions executed in stop machine, courtesy of Patrick Wang. 3. Add rnp->cbovldmask check in rcutree_migrate_callbacks(), courtesy of Zqiang. 4. Immediately boost preempted readers for strict grace periods, courtesy of Zqiang. 5. Forbid RCU_STRICT_GRACE_PERIOD in TINY_RCU kernels. 6. locking/csd_lock: Change csdlock_debug from early_param to __setup, courtesy of Chen Zhongjin. 7. tiny: Record kvfree_call_rcu() call stack for KASAN, courtesy of Johannes Berg. 8. Cleanup RCU urgency state for offline CPU, courtesy of Zqiang. 9. Remove useless monitor_todo flag, courtesy of "Joel Fernandes (Google)". 10. Initialize first_gp_fqs at declaration in rcu_gp_fqs(). 11. Add comment to describe GP-done condition in fqs loop, courtesy of Neeraj Upadhyay. 12. Block less aggressively for expedited grace periods. Thanx, Paul ------------------------------------------------------------------------ b/include/linux/rcutiny.h | 11 +++++++++- b/kernel/rcu/Kconfig.debug | 2 - b/kernel/rcu/srcutree.c | 20 ++++++++++++------ b/kernel/rcu/tiny.c | 14 +++++++++++++ b/kernel/rcu/tree.c | 5 ++++ b/kernel/rcu/tree_plugin.h | 6 ++--- b/kernel/smp.c | 4 +-- kernel/rcu/tree.c | 48 ++++++++++++++++++++++++++------------------- kernel/rcu/tree_plugin.h | 3 +- 9 files changed, 78 insertions(+), 35 deletions(-)
