Paul E. McKenney 7ff8b4502b srcu: Fix __call_srcu()/process_srcu() datarace ...

The srcu_node structure's ->srcu_gp_seq_needed_exp field is accessed
locklessly, so updates must use WRITE_ONCE().  This commit therefore
adds the needed WRITE_ONCE() invocations.

This data race was reported by KCSAN.  Not appropriate for backporting
due to failure being unlikely.

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

2020-02-20 16:01:11 -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: Make PREEMPT_RCU be a modifier to TREE_RCU

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

rcu_segcblist.c

rcu: Remove kfree_rcu() special casing and lazy-callback handling

2020-01-24 10:24:31 -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 '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

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

srcu: Fix __call_srcu()/process_srcu() datarace

2020-02-20 16:01:11 -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: Forgive slow expedited grace periods at boot time

2020-01-25 12:00:40 -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

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.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