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59881bcd85
linux-next/kernel/rcu
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Paul E. McKenney 59881bcd85 rcu: Add WRITE_ONCE() to rcu_state ->gp_start 
The rcu_state structure's ->gp_start field is read locklessly, so this
commit adds the WRITE_ONCE() to an update in order to provide proper
documentation and READ_ONCE()/WRITE_ONCE() pairing.

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 15:58:23 -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: 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: 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 rcu: Fix typos in file-header comments 2020-02-20 15:58:22 -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 rcu: Add *_ONCE() to rcu_node ->boost_kthread_status 2020-02-20 15:58:22 -08:00
tree_stall.h rcu: Add WRITE_ONCE() to rcu_state ->gp_start 2020-02-20 15:58:23 -08:00
tree.c rcu: Add *_ONCE() to rcu_data ->rcu_forced_tick 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