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linux/kernel/rcu
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Paul E. McKenney 96050c68be rcu: Upgrade sync_exp_work_done() to smp_mb() 
The sync_exp_work_done() function uses smp_mb__before_atomic(), but
there is no obvious atomic in the ensuing code.  The ordering is
absolutely required for grace periods to work correctly, so this
commit upgrades the smp_mb__before_atomic() to smp_mb().

Fixes: 6fba2b3767 ("rcu: Remove deprecated RCU debugfs tracing code")
Reported-by: Andrea Parri <andrea.parri@amarulasolutions.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
2019-06-13 15:33:19 -07:00
..
Kconfig time: Move CONTEXT_TRACKING to kernel/time/Kconfig 2019-01-15 11:16:41 +01:00
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.h The major changes in this tracing update includes: 2019-05-15 16:05:47 -07:00
rcu_segcblist.c rcu/rcu_segcblist: Convert to SPDX license identifier 2019-02-09 08:43:40 -08:00
rcu_segcblist.h rcu/rcu_segcblist: Convert to SPDX license identifier 2019-02-09 08:43:40 -08:00
rcuperf.c rcuperf: Fix cleanup path for invalid perf_type strings 2019-03-26 14:42:53 -07:00
rcutorture.c Merge branches 'consolidate.2019.04.09a', 'doc.2019.03.26b', 'fixes.2019.03.26b', 'srcu.2019.03.26b', 'stall.2019.03.26b' and 'torture.2019.03.26b' into HEAD 2019-04-09 08:08:13 -07:00
srcutiny.c srcu: Remove cleanup_srcu_struct_quiesced() 2019-03-26 14:39:24 -07:00
srcutree.c srcu: Remove cleanup_srcu_struct_quiesced() 2019-03-26 14:39:24 -07:00
sync.c rcu/sync: Convert to SPDX license identifier 2019-02-09 08:43:59 -08:00
tiny.c rcu: rcu_qs -- Use raise_softirq_irqoff to not save irqs twice 2019-03-26 14:37:49 -07:00
tree.c rcu: Set a maximum limit for back-to-back callback invocation 2019-05-28 09:02:57 -07:00
tree.h rcu: Move forward-progress checkers into tree_stall.h 2019-03-26 14:40:13 -07:00
tree_exp.h rcu: Upgrade sync_exp_work_done() to smp_mb() 2019-06-13 15:33:19 -07:00
tree_plugin.h rcu: Dump specified number of blocked tasks 2019-05-28 09:02:57 -07:00
tree_stall.h rcu: Correctly unlock root node in rcu_check_gp_start_stall() 2019-05-28 09:02:57 -07:00
update.c rcu: Move RCU CPU stall-warning code out of update.c 2019-03-26 14:40:13 -07:00