linux/kernel/rcu
Paul E. McKenney c00045be32 rcu/nocb: Make rcutree_migrate_callbacks() start at leaf rcu_node structure
Because rcutree_migrate_callbacks() is invoked infrequently and because
an exact snapshot of the grace-period state might save some callbacks a
second trip through a grace period, this function has used the root
rcu_node structure.  However, this safe-second-trip optimization
happens only if rcutree_migrate_callbacks() races with grace-period
initialization, so it is not worth the added mental load.  This commit
therefore makes rcutree_migrate_callbacks() start with the leaf rcu_node
structures, as is done elsewhere.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
2019-08-13 14:35:49 -07:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Kconfig.debug rcu: Add support for consolidated-RCU reader checking 2019-08-09 11:00:35 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rcu_segcblist.c rcu/nocb: Use separate flag to indicate offloaded ->cblist 2019-08-13 14:35:49 -07:00
rcu_segcblist.h rcu/nocb: Use separate flag to indicate offloaded ->cblist 2019-08-13 14:35:49 -07:00
rcu.h rcu: Add kernel parameter to dump trace after RCU CPU stall warning 2019-08-01 14:05:51 -07:00
rcuperf.c rcuperf: Make rcuperf kernel test more robust for !expedited mode 2019-08-01 14:30:22 -07:00
rcutorture.c rcutorture: Aggressive forward-progress tests shouldn't block shutdown 2019-08-01 14:30:22 -07:00
srcutiny.c srcu: Remove cleanup_srcu_struct_quiesced() 2019-03-26 14:39:24 -07:00
srcutree.c srcu: Avoid srcutorture security-based pointer obfuscation 2019-08-01 14:05:51 -07:00
sync.c rcu/sync: Simplify the state machine 2019-05-28 09:05:23 -07:00
tiny.c rcu: rcu_qs -- Use raise_softirq_irqoff to not save irqs twice 2019-03-26 14:37:49 -07:00
tree_exp.h rcu: Fix spelling mistake "greate"->"great" 2019-08-12 11:25:06 -07:00
tree_plugin.h rcu/nocb: Use separate flag to indicate offloaded ->cblist 2019-08-13 14:35:49 -07:00
tree_stall.h rcu: Add kernel parameter to dump trace after RCU CPU stall warning 2019-08-01 14:05:51 -07:00
tree.c rcu/nocb: Make rcutree_migrate_callbacks() start at leaf rcu_node structure 2019-08-13 14:35:49 -07:00
tree.h rcu/nocb: Provide separate no-CBs grace-period kthreads 2019-08-13 14:32:39 -07:00
update.c Merge branches 'consolidate.2019.08.01b', 'fixes.2019.08.12a', 'lists.2019.08.13a' and 'torture.2019.08.01b' into HEAD 2019-08-13 14:30:30 -07:00