Merge branch 'linus' into percpu-cpumask-x86-for-linus-2

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / irq_ia64.c

diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 5538471e8d68dc663df1656d9564f74ad11fe806..927ad027820c5476ac9403477251e06107054696 100644 (file)
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -196,7 +196,7 @@ static void clear_irq_vector(int irq)
 }
 
 int
-assign_irq_vector (int irq)
+ia64_native_assign_irq_vector (int irq)
 {
        unsigned long flags;
        int vector, cpu;
@@ -222,7 +222,7 @@ assign_irq_vector (int irq)
 }
 
 void
-free_irq_vector (int vector)
+ia64_native_free_irq_vector (int vector)
 {
        if (vector < IA64_FIRST_DEVICE_VECTOR ||
            vector > IA64_LAST_DEVICE_VECTOR)
@@ -493,11 +493,13 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
        saved_tpr = ia64_getreg(_IA64_REG_CR_TPR);
        ia64_srlz_d();
        while (vector != IA64_SPURIOUS_INT_VECTOR) {
+               struct irq_desc *desc = irq_to_desc(vector);
+
                if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
                        smp_local_flush_tlb();
-                       kstat_this_cpu.irqs[vector]++;
+                       kstat_incr_irqs_this_cpu(vector, desc);
                } else if (unlikely(IS_RESCHEDULE(vector)))
-                       kstat_this_cpu.irqs[vector]++;
+                       kstat_incr_irqs_this_cpu(vector, desc);
                else {
                        int irq = local_vector_to_irq(vector);
 
@@ -551,11 +553,13 @@ void ia64_process_pending_intr(void)
          * Perform normal interrupt style processing
          */
        while (vector != IA64_SPURIOUS_INT_VECTOR) {
+               struct irq_desc *desc = irq_to_desc(vector);
+
                if (unlikely(IS_LOCAL_TLB_FLUSH(vector))) {
                        smp_local_flush_tlb();
-                       kstat_this_cpu.irqs[vector]++;
+                       kstat_incr_irqs_this_cpu(vector, desc);
                } else if (unlikely(IS_RESCHEDULE(vector)))
-                       kstat_this_cpu.irqs[vector]++;
+                       kstat_incr_irqs_this_cpu(vector, desc);
                else {
                        struct pt_regs *old_regs = set_irq_regs(NULL);
                        int irq = local_vector_to_irq(vector);
@@ -600,7 +604,6 @@ static irqreturn_t dummy_handler (int irq, void *dev_id)
 {
        BUG();
 }
-extern irqreturn_t handle_IPI (int irq, void *dev_id);
 
 static struct irqaction ipi_irqaction = {
        .handler =      handle_IPI,
@@ -623,7 +626,7 @@ static struct irqaction tlb_irqaction = {
 #endif
 
 void
-register_percpu_irq (ia64_vector vec, struct irqaction *action)
+ia64_native_register_percpu_irq (ia64_vector vec, struct irqaction *action)
 {
        irq_desc_t *desc;
        unsigned int irq;
@@ -638,13 +641,21 @@ register_percpu_irq (ia64_vector vec, struct irqaction *action)
 }
 
 void __init
-init_IRQ (void)
+ia64_native_register_ipi(void)
 {
-       register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
 #ifdef CONFIG_SMP
        register_percpu_irq(IA64_IPI_VECTOR, &ipi_irqaction);
        register_percpu_irq(IA64_IPI_RESCHEDULE, &resched_irqaction);
        register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &tlb_irqaction);
+#endif
+}
+
+void __init
+init_IRQ (void)
+{
+       ia64_register_ipi();
+       register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
+#ifdef CONFIG_SMP
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)
        if (vector_domain_type != VECTOR_DOMAIN_NONE) {
                BUG_ON(IA64_FIRST_DEVICE_VECTOR != IA64_IRQ_MOVE_VECTOR);