sparseirq: move kstat_irqs from kstat to irq_desc - fix
fix non-sparseirq architectures.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 2445d2b..93fe9a9 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -161,8 +161,6 @@
#endif
#ifdef CONFIG_HAVE_DYN_ARRAY
unsigned int *kstat_irqs;
-#else
- unsigned int kstat_irqs[NR_CPUS];
#endif
#if defined(CONFIG_INTR_REMAP) && defined(CONFIG_HAVE_SPARSE_IRQ)
struct irq_2_iommu *irq_2_iommu;
@@ -219,8 +217,10 @@
#endif
+#ifdef CONFIG_HAVE_DYN_ARRAY
#define kstat_irqs_this_cpu(DESC) \
((DESC)->kstat_irqs[smp_processor_id()])
+#endif
/*
* Migration helpers for obsolete names, they will go away:
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index f106167..21249d8 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,7 @@
struct kernel_stat {
struct cpu_usage_stat cpustat;
-#ifndef CONFIG_GENERIC_HARDIRQS
+#ifndef CONFIG_HAVE_DYN_ARRAY
unsigned int irqs[NR_IRQS];
#endif
};
@@ -41,7 +41,13 @@
extern unsigned long long nr_context_switches(void);
-#ifndef CONFIG_GENERIC_HARDIRQS
+#ifndef CONFIG_HAVE_DYN_ARRAY
+#define kstat_irqs_this_cpu(irq) \
+ (kstat_this_cpu.irqs[irq])
+#endif
+
+
+#ifndef CONFIG_HAVE_DYN_ARRAY
static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
return kstat_cpu(cpu).irqs[irq];
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 9fc5e69..4ef555c 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -327,7 +327,11 @@
if (unlikely(desc->status & IRQ_INPROGRESS))
goto out_unlock;
desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
action = desc->action;
if (unlikely(!action || (desc->status & IRQ_DISABLED)))
@@ -368,7 +372,11 @@
if (unlikely(desc->status & IRQ_INPROGRESS))
goto out_unlock;
desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
/*
* If its disabled or no action available
@@ -415,7 +423,11 @@
goto out;
desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
/*
* If its disabled or no action available
@@ -479,8 +491,11 @@
mask_ack_irq(desc, irq);
goto out_unlock;
}
-
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
/* Start handling the irq */
desc->chip->ack(irq);
@@ -535,7 +550,11 @@
{
irqreturn_t action_ret;
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
if (desc->chip->ack)
desc->chip->ack(irq);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index d638a91..eae6937 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -34,7 +34,11 @@
handle_bad_irq(unsigned int irq, struct irq_desc *desc)
{
print_irq_desc(irq, desc);
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
ack_bad_irq(irq);
}
@@ -401,7 +405,11 @@
struct irqaction *action;
unsigned int status;
+#ifdef CONFIG_HAVE_DYN_ARRAY
kstat_irqs_this_cpu(desc)++;
+#else
+ kstat_irqs_this_cpu(irq)++;
+#endif
if (CHECK_IRQ_PER_CPU(desc->status)) {
irqreturn_t action_ret;
@@ -501,10 +509,12 @@
}
#endif
+#ifdef CONFIG_HAVE_DYN_ARRAY
unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
struct irq_desc *desc = irq_to_desc(irq);
return desc->kstat_irqs[cpu];
}
+#endif
EXPORT_SYMBOL(kstat_irqs_cpu);