Paul E. McKenney e0da2374c3 rcu: Move rcu_nocb_gp_get() to ->gp_seq
This commit makes rcu_try_advance_all_cbs() use ->gp_seq.  It uses
rcu_seq_ctr() in order to shift away the state bits, so that the
low-order bits of the result may safely be used to index ->nocb_gp_wq[].

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2018-07-12 14:27:52 -07:00
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