Paul E. McKenney bfeebe2421 rcu: Add READ_ONCE() to rcu_segcblist ->tails[] ...

The rcu_segcblist structure's ->tails[] array entries are read
locklessly, so this commit adds the READ_ONCE() to a load in order to
avoid destructive compiler optimizations.

This data race was reported by KCSAN.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2020-02-20 15:58:22 -08:00

..

Kconfig

rcu: Use CONFIG_PREEMPTION where appropriate

2019-12-09 12:37:51 -08:00

Kconfig.debug

rcu: Add support for consolidated-RCU reader checking

2019-08-09 11:00:35 -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: Add READ_ONCE() to rcu_segcblist ->tails[]

2020-02-20 15:58:22 -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: Warn on for_each_leaf_node_cpu_mask() from non-leaf

2020-02-20 15:58:21 -08:00

rcuperf.c

rcu: Remove kfree_call_rcu_nobatch()

2020-01-24 10:24:31 -08:00

rcutorture.c

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00

srcutiny.c

rcu: Use CONFIG_PREEMPTION where appropriate

2019-12-09 12:37:51 -08:00

srcutree.c

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00

sync.c

rcu/sync: Simplify the state machine

2019-05-28 09:05:23 -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: Add WRITE_ONCE to rcu_node ->exp_seq_rq store

2020-02-20 15:58:22 -08:00

tree_plugin.h

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00

tree_stall.h

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00

tree.c

rcu: Add WRITE_ONCE() to rcu_node ->qsmaskinitnext

2020-02-20 15:58:22 -08:00

tree.h

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00

update.c

Merge branches 'doc.2019.12.10a', 'exp.2019.12.09a', 'fixes.2020.01.24a', 'kfree_rcu.2020.01.24a', 'list.2020.01.10a', 'preempt.2020.01.24a' and 'torture.2019.12.09a' into HEAD

2020-01-24 10:37:27 -08:00