1 files changed, 18 insertions, 75 deletions

diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 52945da52a94..1cb0b9fc78dc 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -8,6 +8,7 @@
 #include <linux/seq_file.h>
 #include <linux/smp.h>
 #include <linux/ftrace.h>
+#include <linux/delay.h>
 
 #include <asm/apic.h>
 #include <asm/io_apic.h>
@@ -44,9 +45,9 @@ void ack_bad_irq(unsigned int irq)
 
 #define irq_stats(x)            (&per_cpu(irq_stat, x))
 /*
- * /proc/interrupts printing:
+ * /proc/interrupts printing for arch specific interrupts
  */
-static int show_other_interrupts(struct seq_file *p, int prec)
+int arch_show_interrupts(struct seq_file *p, int prec)
 {
         int j;
 
@@ -122,59 +123,6 @@ static int show_other_interrupts(struct seq_file *p, int prec)
         return 0;
 }
 
-int show_interrupts(struct seq_file *p, void *v)
-{
-        unsigned long flags, any_count = 0;
-        int i = *(loff_t *) v, j, prec;
-        struct irqaction *action;
-        struct irq_desc *desc;
-
-        if (i > nr_irqs)
-                return 0;
-
-        for (prec = 3, j = 1000; prec < 10 && j <= nr_irqs; ++prec)
-                j *= 10;
-
-        if (i == nr_irqs)
-                return show_other_interrupts(p, prec);
-
-        /* print header */
-        if (i == 0) {
-                seq_printf(p, "%*s", prec + 8, "");
-                for_each_online_cpu(j)
-                        seq_printf(p, "CPU%-8d", j);
-                seq_putc(p, '\n');
-        }
-
-        desc = irq_to_desc(i);
-        if (!desc)
-                return 0;
-
-        raw_spin_lock_irqsave(&desc->lock, flags);
-        for_each_online_cpu(j)
-                any_count |= kstat_irqs_cpu(i, j);
-        action = desc->action;
-        if (!action && !any_count)
-                goto out;
-
-        seq_printf(p, "%*d: ", prec, i);
-        for_each_online_cpu(j)
-                seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-        seq_printf(p, " %8s", desc->irq_data.chip->name);
-        seq_printf(p, "-%-8s", desc->name);
-
-        if (action) {
-                seq_printf(p, "  %s", action->name);
-                while ((action = action->next) != NULL)
-                        seq_printf(p, ", %s", action->name);
-        }
-
-        seq_putc(p, '\n');
-out:
-        raw_spin_unlock_irqrestore(&desc->lock, flags);
-        return 0;
-}
-
 /*
  * /proc/stat helpers
  */
@@ -276,15 +224,6 @@ void smp_x86_platform_ipi(struct pt_regs *regs)
 
 EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);
 
-#ifdef CONFIG_OF
-unsigned int irq_create_of_mapping(struct device_node *controller,
-                const u32 *intspec, unsigned int intsize)
-{
-        return intspec[0];
-}
-EXPORT_SYMBOL_GPL(irq_create_of_mapping);
-#endif
-
 #ifdef CONFIG_HOTPLUG_CPU
 /* A cpu has been removed from cpu_online_mask.  Reset irq affinities. */
 void fixup_irqs(void)
@@ -293,6 +232,7 @@ void fixup_irqs(void)
         static int warned;
         struct irq_desc *desc;
         struct irq_data *data;
+        struct irq_chip *chip;
 
         for_each_irq_desc(irq, desc) {
                 int break_affinity = 0;
@@ -307,10 +247,10 @@ void fixup_irqs(void)
                 /* interrupt's are disabled at this point */
                 raw_spin_lock(&desc->lock);
 
-                data = &desc->irq_data;
+                data = irq_desc_get_irq_data(desc);
                 affinity = data->affinity;
                 if (!irq_has_action(irq) ||
-                    cpumask_equal(affinity, cpu_online_mask)) {
+                    cpumask_subset(affinity, cpu_online_mask)) {
                         raw_spin_unlock(&desc->lock);
                         continue;
                 }
@@ -327,16 +267,17 @@ void fixup_irqs(void)
                         affinity = cpu_all_mask;
                 }
 
-                if (!(desc->status & IRQ_MOVE_PCNTXT) && data->chip->irq_mask)
-                        data->chip->irq_mask(data);
+                chip = irq_data_get_irq_chip(data);
+                if (!irqd_can_move_in_process_context(data) && chip->irq_mask)
+                        chip->irq_mask(data);
 
-                if (data->chip->irq_set_affinity)
-                        data->chip->irq_set_affinity(data, affinity, true);
+                if (chip->irq_set_affinity)
+                        chip->irq_set_affinity(data, affinity, true);
                 else if (!(warned++))
                         set_affinity = 0;
 
-                if (!(desc->status & IRQ_MOVE_PCNTXT) && data->chip->irq_unmask)
-                        data->chip->irq_unmask(data);
+                if (!irqd_can_move_in_process_context(data) && chip->irq_unmask)
+                        chip->irq_unmask(data);
 
                 raw_spin_unlock(&desc->lock);
 
@@ -367,10 +308,12 @@ void fixup_irqs(void)
                 if (irr  & (1 << (vector % 32))) {
                         irq = __this_cpu_read(vector_irq[vector]);
 
-                        data = irq_get_irq_data(irq);
+                        desc = irq_to_desc(irq);
+                        data = irq_desc_get_irq_data(desc);
+                        chip = irq_data_get_irq_chip(data);
                         raw_spin_lock(&desc->lock);
-                        if (data->chip->irq_retrigger)
-                                data->chip->irq_retrigger(data);
+                        if (chip->irq_retrigger)
+                                chip->irq_retrigger(data);
                         raw_spin_unlock(&desc->lock);
                 }
         }