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rcutorture: Prepare for asynchronous access to rcu_fwd_startat
authorPaul E. McKenney <paulmck@linux.ibm.com>
Mon, 1 Oct 2018 20:27:41 +0000 (13:27 -0700)
committerPaul E. McKenney <paulmck@linux.ibm.com>
Sat, 1 Dec 2018 20:45:35 +0000 (12:45 -0800)
commit61670adcb4a9f66ff3fa8a9e846a623d9a9e1553
treecd50d7521cfbafd513e34d5779b8e1d763f0ac70tree | snapshot
parent2a7d968816a94a4c52f0082c085c6714a5b3f1eccommit | diff
rcutorture: Prepare for asynchronous access to rcu_fwd_startat

Because rcutorture's forward-progress checking will trigger from an
OOM notifier, this notifier will introduce asynchronous concurrent
access to the rcu_fwd_startat variable.  This commit therefore prepares
for this by converting updates to WRITE_ONCE().

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
kernel/rcu/rcutorture.c diff | blob | history
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