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9ae58d7bd1
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Paul E. McKenney 9ae58d7bd1 rcu-tasks: Add Kconfig option to mediate smp_mb() vs. IPI 
This commit provides a new TASKS_TRACE_RCU_READ_MB Kconfig option that
enables use of read-side memory barriers by both rcu_read_lock_trace()
and rcu_read_unlock_trace() when the are executed with the
current->trc_reader_special.b.need_mb flag set.  This flag is currently
never set.  Doing that is the subject of a later commit.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-04-27 11:03:52 -07:00
..
Kconfig rcu-tasks: Add Kconfig option to mediate smp_mb() vs. IPI 2020-04-27 11:03:52 -07:00
Kconfig.debug rcutorture: Add torture tests for RCU Tasks Trace 2020-04-27 11:03:51 -07:00
Makefile rcu: Provide debug symbols and line numbers in KCSAN runs 2020-02-20 15:58:21 -08:00
rcu_segcblist.c rcu: Remove dead code from rcu_segcblist_insert_pend_cbs() 2020-02-20 15:58:23 -08:00
rcu_segcblist.h rcu: Remove kfree_rcu() special casing and lazy-callback handling 2020-01-24 10:24:31 -08:00
rcu.h rcu-tasks: Add RCU tasks to rcutorture writer stall output 2020-04-27 11:03:51 -07:00
rcuperf.c rcuperf: Measure memory footprint during kfree_rcu() test 2020-02-20 16:03:31 -08:00
rcutorture.c rcutorture: Add torture tests for RCU Tasks Trace 2020-04-27 11:03:51 -07:00
srcutiny.c rcu: Use CONFIG_PREEMPTION where appropriate 2019-12-09 12:37:51 -08:00
srcutree.c Merge branches 'doc.2020.02.27a', 'fixes.2020.03.21a', 'kfree_rcu.2020.02.20a', 'locktorture.2020.02.20a', 'ovld.2020.02.20a', 'rcu-tasks.2020.02.20a', 'srcu.2020.02.20a' and 'torture.2020.02.20a' into HEAD 2020-03-21 17:15:11 -07:00
sync.c rcu/sync: Simplify the state machine 2019-05-28 09:05:23 -07:00
tasks.h rcu-tasks: Add Kconfig option to mediate smp_mb() vs. IPI 2020-04-27 11:03:52 -07:00
tiny.c rcu: Remove kfree_rcu() special casing and lazy-callback handling 2020-01-24 10:24:31 -08:00
tree_exp.h rcu: Don't use negative nesting depth in __rcu_read_unlock() 2020-04-27 11:03:50 -07:00
tree_plugin.h rcu-tasks: Make RCU Tasks Trace make use of RCU scheduler hooks 2020-04-27 11:03:52 -07:00
tree_stall.h rcu-tasks: Add RCU tasks to rcutorture writer stall output 2020-04-27 11:03:51 -07:00
tree.c rcu: Add comments marking transitions between RCU watching and not 2020-04-27 11:03:50 -07:00
tree.h rcu: React to callback overload by aggressively seeking quiescent states 2020-02-20 16:00:20 -08:00
update.c rcu-tasks: Move #ifdef into tasks.h 2020-04-27 11:03:51 -07:00