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Paul E. McKenney af2789db13 refperf: Convert reader_task structure's "start" field to int 
This commit converts the reader_task structure's "start" field to int
in order to demote a full barrier to an smp_load_acquire() and also to
simplify the code a bit.  While in the area, and to enlist the compiler's
help in ensuring that nothing was missed, the field's name was changed
to start_reader.

Also while in the area, change the main_func() store to use
smp_store_release() to further fortify against wait/wake races.

Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-06-29 12:00:45 -07:00
..
Kconfig
rcu-tasks: Add Kconfig option to mediate smp_mb() vs. IPI
2020-04-27 11:03:52 -07:00
Kconfig.debug
refperf: Add a test to measure performance of read-side synchronization
2020-06-29 12:00:44 -07:00
Makefile
refperf: Add a test to measure performance of read-side synchronization
2020-06-29 12:00:44 -07:00
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
Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD
2020-05-07 10:18:32 -07:00
rcuperf.c
rcuperf: Add comments explaining the high reader overhead
2020-06-29 12:00:44 -07:00
rcutorture.c
Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD
2020-05-07 10:18:32 -07:00
refperf.c
refperf: Convert reader_task structure's "start" field to int
2020-06-29 12:00:45 -07:00
srcutiny.c
rcu: Use CONFIG_PREEMPTION where appropriate
2019-12-09 12:37:51 -08:00
srcutree.c
srcu: Add data_race() to ->srcu_lock_count and ->srcu_unlock_count arrays
2020-04-27 11:01:16 -07:00
sync.c
rcu/sync: Simplify the state machine
2019-05-28 09:05:23 -07:00
tasks.h
rcu-tasks: Allow standalone use of TASKS_{TRACE_,}RCU
2020-04-27 11:03:53 -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
Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD
2020-05-07 10:18:32 -07:00
tree_plugin.h
rcu/tree: Mark the idle relevant functions noinstr
2020-05-19 15:51:20 +02:00
tree_stall.h
TTY/Serial driver updates for 5.8-rc1
2020-06-07 09:52:36 -07:00
tree.c
rcu: Fixup noinstr warnings
2020-06-25 08:24:32 -07:00
tree.h
Merge branches 'fixes.2020.04.27a', 'kfree_rcu.2020.04.27a', 'rcu-tasks.2020.04.27a', 'stall.2020.04.27a' and 'torture.2020.05.07a' into HEAD
2020-05-07 10:18:32 -07:00
update.c
rcu/tree: Mark the idle relevant functions noinstr
2020-05-19 15:51:20 +02:00