rcu: Switch ->dynticks to rcu_data structure, remove rcu_dynticks
This commit move ->dynticks from the rcu_dynticks structure to the rcu_data structure, replacing the field of the same name. It also updates the code to access ->dynticks from the rcu_data structure and to use the rcu_data structure rather than following to now-gone ->dynticks field to the now-gone rcu_dynticks structure. While in the area, this commit also fixes up comments. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@@ -360,14 +360,13 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
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for_each_leaf_node_cpu_mask(rnp, cpu, rnp->expmask) {
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unsigned long mask = leaf_node_cpu_bit(rnp, cpu);
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struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);
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struct rcu_dynticks *rdtp = per_cpu_ptr(&rcu_dynticks, cpu);
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int snap;
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if (raw_smp_processor_id() == cpu ||
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!(rnp->qsmaskinitnext & mask)) {
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mask_ofl_test |= mask;
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} else {
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snap = rcu_dynticks_snap(rdtp);
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snap = rcu_dynticks_snap(rdp);
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if (rcu_dynticks_in_eqs(snap))
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mask_ofl_test |= mask;
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else
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@@ -393,8 +392,7 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
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if (!(mask_ofl_ipi & mask))
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continue;
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retry_ipi:
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if (rcu_dynticks_in_eqs_since(rdp->dynticks,
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rdp->exp_dynticks_snap)) {
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if (rcu_dynticks_in_eqs_since(rdp, rdp->exp_dynticks_snap)) {
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mask_ofl_test |= mask;
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continue;
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}
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