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rcu: Remove rsp parameter from __rcu_process_callbacks()
There now is only one rcu_state structure in a given build of the Linux kernel, so there is no need to pass it as a parameter to RCU's functions. This commit therefore removes the rsp parameter from __rcu_process_callbacks(), and also inlines it into rcu_process_callbacks(), removing the for_each_rcu_flavor() while in the neighborhood. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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b96f9dc4fb
commit
b049fdf8e3
1 changed files with 7 additions and 19 deletions
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@ -2741,17 +2741,19 @@ rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp)
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}
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/*
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* This does the RCU core processing work for the specified rcu_state
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* and rcu_data structures. This may be called only from the CPU to
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* whom the rdp belongs.
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* This does the RCU core processing work for the specified rcu_data
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* structures. This may be called only from the CPU to whom the rdp
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* belongs.
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*/
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static void
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__rcu_process_callbacks(struct rcu_state *rsp)
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static __latent_entropy void rcu_process_callbacks(struct softirq_action *unused)
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{
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unsigned long flags;
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struct rcu_data *rdp = raw_cpu_ptr(&rcu_data);
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struct rcu_node *rnp = rdp->mynode;
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if (cpu_is_offline(smp_processor_id()))
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return;
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trace_rcu_utilization(TPS("Start RCU core"));
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WARN_ON_ONCE(!rdp->beenonline);
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/* Report any deferred quiescent states if preemption enabled. */
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@ -2780,20 +2782,6 @@ __rcu_process_callbacks(struct rcu_state *rsp)
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/* Do any needed deferred wakeups of rcuo kthreads. */
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do_nocb_deferred_wakeup(rdp);
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}
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/*
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* Do RCU core processing for the current CPU.
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*/
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static __latent_entropy void rcu_process_callbacks(struct softirq_action *unused)
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{
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struct rcu_state *rsp;
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if (cpu_is_offline(smp_processor_id()))
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return;
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trace_rcu_utilization(TPS("Start RCU core"));
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for_each_rcu_flavor(rsp)
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__rcu_process_callbacks(rsp);
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trace_rcu_utilization(TPS("End RCU core"));
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}
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