Hello! This series contains miscellaneous fixes: 1. Clarify fill-the-gap comment in rcu_segcblist_advance(). 2. Fix rcu_preempt_deferred_qs_irqrestore() strict QS reporting. 3. Check for jiffies going backwards. 4. Provide boot-time timeout for CSD lock diagnostics. 5. Add comments to final rcu_gp_cleanup() "if" statement. 6. Print number of online CPUs in RCU CPU stall-warning messages. 7. Fix preemption mode check on synchronize_rcu[_expedited](), courtesy of Frederic Weisbecker. 8. Drop needless initialization of sdp in srcu_gp_start(), courtesy of Lukas Bulwahn. 9. Check for successful spawn of ->boost_kthread_task, courtesy of Zqiang. 10. rcu_sync: Fix comment to properly reflect rcu_sync_exit() behavior, courtesy of David Vernet. 11. Use IRQ_WORK_INIT_HARD() to avoid rcu_read_unlock() hangs, courtesy of Zqiang. Thanx, Paul ------------------------------------------------------------------------ b/Documentation/admin-guide/kernel-parameters.txt | 11 ++++++++ b/kernel/rcu/rcu_segcblist.c | 8 +++--- b/kernel/rcu/srcutree.c | 2 - b/kernel/rcu/sync.c | 2 - b/kernel/rcu/tree.c | 10 +++++++ b/kernel/rcu/tree.h | 1 b/kernel/rcu/tree_plugin.h | 1 b/kernel/rcu/tree_stall.h | 8 +++--- b/kernel/smp.c | 7 +++-- kernel/rcu/tree.c | 29 +++++++++++++++++----- kernel/rcu/tree_plugin.h | 11 ++++++-- 11 files changed, 70 insertions(+), 20 deletions(-)
