remove unused softirq_action callback parameter

Extracted from PaX.
GrapheneOS · May 26, 2018 · 0d054ac · 0d054ac
1 parent d39553d
commit 0d054ac
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Showing 10 changed files with 15 additions and 15 deletions.
diff --git a/block/blk-softirq.c b/block/blk-softirq.c
@@ -20,7 +20,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done);
  * Softirq action handler - move entries to local list and loop over them
  * while passing them to the queue registered handler.
  */
-static __latent_entropy void blk_done_softirq(struct softirq_action *h)
+static __latent_entropy void blk_done_softirq(void)
 {
 	struct list_head *cpu_list, local_list;
 

diff --git a/drivers/misc/lkdtm_core.c b/drivers/misc/lkdtm_core.c
@@ -78,7 +78,7 @@ static irqreturn_t jp_handle_irq_event(unsigned int irq,
 	return 0;
 }
 
-static void jp_tasklet_action(struct softirq_action *a)
+static void jp_tasklet_action(void)
 {
 	lkdtm_handler();
 	jprobe_return();

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
@@ -485,7 +485,7 @@ extern const char * const softirq_to_name[NR_SOFTIRQS];
 
 struct softirq_action
 {
-	void	(*action)(struct softirq_action *);
+	void	(*action)(void);
 };
 
 asmlinkage void do_softirq(void);
@@ -500,7 +500,7 @@ static inline void do_softirq_own_stack(void)
 }
 #endif
 
-extern void __init open_softirq(int nr, void (*action)(struct softirq_action *));
+extern void __init open_softirq(int nr, void (*action)(void));
 extern void softirq_init(void);
 extern void __raise_softirq_irqoff(unsigned int nr);
 

diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
@@ -164,7 +164,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
 	}
 }
 
-static __latent_entropy void rcu_process_callbacks(struct softirq_action *unused)
+static __latent_entropy void rcu_process_callbacks(void)
 {
 	__rcu_process_callbacks(&rcu_sched_ctrlblk);
 	__rcu_process_callbacks(&rcu_bh_ctrlblk);

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
@@ -2918,7 +2918,7 @@ __rcu_process_callbacks(struct rcu_state *rsp)
 /*
  * Do RCU core processing for the current CPU.
  */
-static __latent_entropy void rcu_process_callbacks(struct softirq_action *unused)
+static __latent_entropy void rcu_process_callbacks(void)
 {
 	struct rcu_state *rsp;
 

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
@@ -8986,7 +8986,7 @@ static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { }
  * run_rebalance_domains is triggered when needed from the scheduler tick.
  * Also triggered for nohz idle balancing (with nohz_balancing_kick set).
  */
-static __latent_entropy void run_rebalance_domains(struct softirq_action *h)
+static __latent_entropy void run_rebalance_domains(void)
 {
 	struct rq *this_rq = this_rq();
 	enum cpu_idle_type idle = this_rq->idle_balance ?

diff --git a/kernel/softirq.c b/kernel/softirq.c
@@ -281,7 +281,7 @@ asmlinkage __visible void __softirq_entry __do_softirq(void)
 		kstat_incr_softirqs_this_cpu(vec_nr);
 
 		trace_softirq_entry(vec_nr);
-		h->action(h);
+		h->action();
 		trace_softirq_exit(vec_nr);
 		if (unlikely(prev_count != preempt_count())) {
 			pr_err("huh, entered softirq %u %s %p with preempt_count %08x, exited with %08x?\n",
@@ -444,7 +444,7 @@ void __raise_softirq_irqoff(unsigned int nr)
 	or_softirq_pending(1UL << nr);
 }
 
-void __init open_softirq(int nr, void (*action)(struct softirq_action *))
+void __init open_softirq(int nr, void (*action)(void))
 {
 	softirq_vec[nr].action = action;
 }
@@ -486,7 +486,7 @@ void __tasklet_hi_schedule(struct tasklet_struct *t)
 }
 EXPORT_SYMBOL(__tasklet_hi_schedule);
 
-static __latent_entropy void tasklet_action(struct softirq_action *a)
+static __latent_entropy void tasklet_action(void)
 {
 	struct tasklet_struct *list;
 
@@ -522,7 +522,7 @@ static __latent_entropy void tasklet_action(struct softirq_action *a)
 	}
 }
 
-static __latent_entropy void tasklet_hi_action(struct softirq_action *a)
+static __latent_entropy void tasklet_hi_action(void)
 {
 	struct tasklet_struct *list;
 

diff --git a/kernel/time/timer.c b/kernel/time/timer.c
@@ -1624,7 +1624,7 @@ static inline void __run_timers(struct timer_base *base)
 /*
  * This function runs timers and the timer-tq in bottom half context.
  */
-static __latent_entropy void run_timer_softirq(struct softirq_action *h)
+static __latent_entropy void run_timer_softirq(void)
 {
 	struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]);
 

diff --git a/lib/irq_poll.c b/lib/irq_poll.c
@@ -75,7 +75,7 @@ void irq_poll_complete(struct irq_poll *iop)
 }
 EXPORT_SYMBOL(irq_poll_complete);
 
-static void __latent_entropy irq_poll_softirq(struct softirq_action *h)
+static void __latent_entropy irq_poll_softirq(void)
 {
 	struct list_head *list = this_cpu_ptr(&blk_cpu_iopoll);
 	int rearm = 0, budget = irq_poll_budget;

diff --git a/net/core/dev.c b/net/core/dev.c
@@ -4095,7 +4095,7 @@ int netif_rx_ni(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(netif_rx_ni);
 
-static __latent_entropy void net_tx_action(struct softirq_action *h)
+static __latent_entropy void net_tx_action(void)
 {
 	struct softnet_data *sd = this_cpu_ptr(&softnet_data);
 
@@ -5609,7 +5609,7 @@ static int napi_poll(struct napi_struct *n, struct list_head *repoll)
 	return work;
 }
 
-static __latent_entropy void net_rx_action(struct softirq_action *h)
+static __latent_entropy void net_rx_action(void)
 {
 	struct softnet_data *sd = this_cpu_ptr(&softnet_data);
 	unsigned long time_limit = jiffies +