Paul E. McKenney 26d950a945 rcu: Diagnostics for grace-period startup hangs ...

This commit causes a splat if RCU is idle and a request for a new grace
period is ignored for more than one second.  This splat normally indicates
that some code path asked for a new grace period, but failed to wake up
the RCU grace-period kthread.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
[ paulmck: Fix bug located by Dan Carpenter and his static checker. ]
[ paulmck: Fix self-deadlock bug located 0day test robot. ]
[ paulmck: Disable unless CONFIG_PROVE_RCU=y. ]

2018-07-12 14:24:42 -07:00

..

Kconfig

rcu: Drive TASKS_RCU directly off of PREEMPT

2017-08-17 07:26:04 -07:00

Kconfig.debug

rcu: Move RCU debug Kconfig options to kernel/rcu

2017-06-08 18:52:44 -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: 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

Merge branches 'exp.2018.05.15a', 'fixes.2018.05.15a', 'lock.2018.05.15a' and 'torture.2018.05.15a' into HEAD

2018-05-15 10:33:05 -07:00

rcuperf.c

rcu: Rename cond_resched_rcu_qs() to cond_resched_tasks_rcu_qs()

2018-05-15 10:27:29 -07:00

rcutorture.c

treewide: Use array_size() in vmalloc()

2018-06-12 16:19:22 -07:00

srcutiny.c

srcu: Add cleanup_srcu_struct_quiesced()

2018-05-15 10:27:56 -07:00

srcutree.c

srcu: Add cleanup_srcu_struct_quiesced()

2018-05-15 10:27:56 -07:00

sync.c

doc: Fix various RCU docbook comment-header problems

2017-10-19 22:26:11 -04:00

tiny.c

srcu: Move rcu_scheduler_starting() from Tiny RCU to Tiny SRCU

2017-07-24 16:03:22 -07:00

tree_exp.h

Merge branches 'exp.2018.05.15a', 'fixes.2018.05.15a', 'lock.2018.05.15a' and 'torture.2018.05.15a' into HEAD

2018-05-15 10:33:05 -07:00

tree_plugin.h

rcu: Use the proper lockdep annotation in dump_blkd_tasks()

2018-06-26 12:25:55 -07:00

tree.c

rcu: Diagnostics for grace-period startup hangs

2018-07-12 14:24:42 -07:00

tree.h

rcu: Diagnostics for grace-period startup hangs

2018-07-12 14:24:42 -07:00

update.c

rcu: Move __rcu_read_lock() and __rcu_read_unlock() to tree_plugin.h

2018-05-15 10:27:41 -07:00