srcu: Apply *_ONCE() to ->srcu_last_gp_end

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The ->srcu_last_gp_end field is accessed from any CPU at any time
by synchronize_srcu(), so non-initialization references need to use
READ_ONCE() and WRITE_ONCE().  This commit therefore makes that change.

Reported-by: syzbot+08f3e9d26e5541e1ecf2@syzkaller.appspotmail.com
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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Paul E. McKenney 2019-11-04 08:08:30 -08:00

parent 7441e7661d

commit 844a378de3

1 changed files with 4 additions and 3 deletions

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7

kernel/rcu/srcutree.c

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