linux/kernel/rcu
Paul E. McKenney 5773894231 rcu: Add CPU online/offline state to dump_blkd_tasks()
Interactions between CPU-hotplug operations and grace-period
initialization can result in dump_blkd_tasks().  One of the first
debugging actions in this case is to search back in dmesg to work
out which of the affected rcu_node structure's CPUs are online and to
determine the last CPU-hotplug operation affecting any of those CPUs.
This can be laborious and error-prone, especially when console output
is lost.

This commit therefore causes dump_blkd_tasks() to dump the state of
the affected rcu_node structure's CPUs and the last grace period during
which the last offline and online operation affected each of these CPUs.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2018-07-12 15:39:09 -07:00
..
Kconfig
Kconfig.debug
Makefile
rcu_segcblist.c rcu: Simplify and inline cpu_needs_another_gp() 2018-05-15 10:30:59 -07:00
rcu_segcblist.h rcu: Simplify and inline cpu_needs_another_gp() 2018-05-15 10:30:59 -07:00
rcu.h rcutorture: Correctly handle grace-period sequence wrap 2018-07-12 15:38:55 -07:00
rcuperf.c rcutorture: Correctly handle grace-period sequence wrap 2018-07-12 15:38:55 -07:00
rcutorture.c rcutorture: Correctly handle grace-period sequence wrap 2018-07-12 15:38:55 -07:00
srcutiny.c
srcutree.c rcutorture: Convert rcutorture_get_gp_data() to ->gp_seq 2018-07-12 14:27:57 -07:00
sync.c
tiny.c
tree_exp.h rcu: Make expedited GPs handle CPU 0 being offline 2018-07-12 12:36:06 -07:00
tree_plugin.h rcu: Add CPU online/offline state to dump_blkd_tasks() 2018-07-12 15:39:09 -07:00
tree.c rcu: Add CPU online/offline state to dump_blkd_tasks() 2018-07-12 15:39:09 -07:00
tree.h rcu: Add CPU online/offline state to dump_blkd_tasks() 2018-07-12 15:39:09 -07:00
update.c