genirq: Remove CONFIG_IRQ_PER_CPU

The saving of this switch is minimal versus the ifdef mess it
creates. Simple enable PER_CPU unconditionally and remove the config
switch.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 6 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 9a99c471d470..056aa49698b4 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -865,12 +865,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
                         goto mismatch;
                 }
 
-#if defined(CONFIG_IRQ_PER_CPU)
                 /* All handlers must agree on per-cpuness */
                 if ((old->flags & IRQF_PERCPU) !=
                     (new->flags & IRQF_PERCPU))
                         goto mismatch;
-#endif
 
                 /* add new interrupt at end of irq queue */
                 do {
@@ -894,15 +892,14 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
                                 goto out_mask;
                 } else
                         compat_irq_chip_set_default_handler(desc);
-#if defined(CONFIG_IRQ_PER_CPU)
-                if (new->flags & IRQF_PERCPU)
-                        desc->status |= IRQ_PER_CPU;
-#endif
 
                 desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \
                                   IRQS_INPROGRESS | IRQS_ONESHOT | \
                                   IRQS_WAITING);
 
+                if (new->flags & IRQF_PERCPU)
+                        desc->status |= IRQ_PER_CPU;
+
                 if (new->flags & IRQF_ONESHOT)
                         desc->istate |= IRQS_ONESHOT;