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f2e2df5978
linux/kernel/rcu
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Paul E. McKenney f2e2df5978 rcu: Add diagnostics for offline CPUs failing to report QS 
CPUs are expected to report quiescent states when coming online and
when going offline, and grace-period initialization is supposed to
handle any race conditions where a CPU's ->qsmask bit is set just after
it goes offline.  This commit adds diagnostics for the case where an
offline CPU nevertheless has a grace period waiting on it.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2018-07-12 15:39:10 -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 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 srcu: Add cleanup_srcu_struct_quiesced() 2018-05-15 10:27:56 -07:00
srcutree.c rcutorture: Convert rcutorture_get_gp_data() to ->gp_seq 2018-07-12 14:27:57 -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 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 diagnostics for offline CPUs failing to report QS 2018-07-12 15:39:10 -07:00
tree.h rcu: Add diagnostics for offline CPUs failing to report QS 2018-07-12 15:39:10 -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