genirq: cleanup the sparseirq modifications

[mirror_ubuntu-jammy-kernel.git] / kernel / irq / handle.c

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index e9d022cf593ef6384e9b2cd26f1ae50e4df57584..a69368ff607fc4e768feb13b013af035639eae80 100644 (file)
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -25,11 +25,10 @@
  *
  * Handles spurious and unhandled IRQ's. It also prints a debugmessage.
  */
-void
-handle_bad_irq(unsigned int irq, struct irq_desc *desc)
+void handle_bad_irq(unsigned int irq, struct irq_desc *desc)
 {
        print_irq_desc(irq, desc);
-       kstat_this_cpu.irqs[irq]++;
+       kstat_incr_irqs_this_cpu(irq, desc);
        ack_bad_irq(irq);
 }
 
@@ -48,6 +47,8 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
  * Controller mappings for all interrupt sources:
  */
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL_GPL(nr_irqs);
+
 struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
        [0 ... NR_IRQS-1] = {
                .status = IRQ_DISABLED,
@@ -67,7 +68,9 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
  */
 static void ack_bad(unsigned int irq)
 {
-       print_irq_desc(irq, irq_desc + irq);
+       struct irq_desc *desc = irq_to_desc(irq);
+
+       print_irq_desc(irq, desc);
        ack_bad_irq(irq);
 }
 
@@ -164,11 +167,12 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
  */
 unsigned int __do_IRQ(unsigned int irq)
 {
-       struct irq_desc *desc = irq_desc + irq;
+       struct irq_desc *desc = irq_to_desc(irq);
        struct irqaction *action;
        unsigned int status;
 
-       kstat_this_cpu.irqs[irq]++;
+       kstat_incr_irqs_this_cpu(irq, desc);
+
        if (CHECK_IRQ_PER_CPU(desc->status)) {
                irqreturn_t action_ret;
 
@@ -255,8 +259,8 @@ out:
 }
 #endif
 
-#ifdef CONFIG_TRACE_IRQFLAGS
 
+#ifdef CONFIG_TRACE_IRQFLAGS
 /*
  * lockdep: we want to handle all irq_desc locks as a single lock-class:
  */
@@ -269,5 +273,4 @@ void early_init_irq_lock_class(void)
        for (i = 0; i < nr_irqs; i++)
                lockdep_set_class(&irq_desc[i].lock, &irq_desc_lock_class);
 }
-
 #endif