[PATCH] genirq: cleanup: merge pending_irq_cpumask[] into irq_desc[]

Consolidation: remove the pending_irq_cpumask[NR_IRQS] array and move it into
the irq_desc[NR_IRQS].pending_mask field.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 4 insertions, 8 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 6a6f1d3dd399..ca9b5d36abe8 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -16,10 +16,6 @@
 
 #ifdef CONFIG_SMP
 
-#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
-cpumask_t __cacheline_aligned pending_irq_cpumask[NR_IRQS];
-#endif
-
 /**
  *      synchronize_irq - wait for pending IRQ handlers (on other CPUs)
  *      @irq: interrupt number to wait for
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index a571c3abb793..a57ebe9fa6f6 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -8,7 +8,7 @@ void set_pending_irq(unsigned int irq, cpumask_t mask)
 
         spin_lock_irqsave(&desc->lock, flags);
         desc->move_irq = 1;
-        pending_irq_cpumask[irq] = mask;
+        irq_desc[irq].pending_mask = mask;
         spin_unlock_irqrestore(&desc->lock, flags);
 }
 
@@ -30,7 +30,7 @@ void move_native_irq(int irq)
 
         desc->move_irq = 0;
 
-        if (unlikely(cpus_empty(pending_irq_cpumask[irq])))
+        if (unlikely(cpus_empty(irq_desc[irq].pending_mask)))
                 return;
 
         if (!desc->chip->set_affinity)
@@ -38,7 +38,7 @@ void move_native_irq(int irq)
 
         assert_spin_locked(&desc->lock);
 
-        cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
+        cpus_and(tmp, irq_desc[irq].pending_mask, cpu_online_map);
 
         /*
          * If there was a valid mask to work with, please
@@ -58,5 +58,5 @@ void move_native_irq(int irq)
                 if (likely(!(desc->status & IRQ_DISABLED)))
                         desc->chip->enable(irq);
         }
-        cpus_clear(pending_irq_cpumask[irq]);
+        cpus_clear(irq_desc[irq].pending_mask);
 }