x86: move kstat_irqs from kstat to irq_desc

based on Eric's patch ...

together mold it with dyn_array for irq_desc, will allcate kstat_irqs for
nr_irq_desc alltogether if needed. -- at that point nr_cpus is known already.

v2: make sure system without generic_hardirqs works they don't have irq_desc
v3: fix merging
v4: [mingo@elte.hu] fix typo

[ mingo@elte.hu ] irq: build fix

fix:

 arch/x86/xen/spinlock.c: In function 'xen_spin_lock_slow':
 arch/x86/xen/spinlock.c:90: error: 'struct kernel_stat' has no member named 'irqs'

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

5 files changed, 7 insertions, 7 deletions

diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index c2160cfdec9b..204884b1415a 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -526,7 +526,7 @@ static void do_irq_balance(void)
                         if (package_index == i)
                                 IRQ_DELTA(package_index, j) = 0;
                         /* Determine the total count per processor per IRQ */
-                        value_now = (unsigned long) kstat_cpu(i).irqs[j];
+                        value_now = (unsigned long) kstat_irqs_cpu(j, i);
 
                         /* Determine the activity per processor per IRQ */
                         delta = value_now - LAST_CPU_IRQ(i, j);
diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
index ede513be517d..576c5df6cad8 100644
--- a/arch/x86/kernel/irq_32.c
+++ b/arch/x86/kernel/irq_32.c
@@ -280,7 +280,7 @@ int show_interrupts(struct seq_file *p, void *v)
                 any_count = kstat_irqs(i);
 #else
                 for_each_online_cpu(j)
-                        any_count |= kstat_cpu(j).irqs[i];
+                        any_count |= kstat_irqs_cpu(i, j);
 #endif
                 action = desc->action;
                 if (!action && !any_count)
@@ -290,7 +290,7 @@ int show_interrupts(struct seq_file *p, void *v)
                 seq_printf(p, "%10u ", kstat_irqs(i));
 #else
                 for_each_online_cpu(j)
-                        seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+                        seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
                 seq_printf(p, " %8s", desc->chip->name);
                 seq_printf(p, "-%-8s", desc->name);
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 738eb65a924e..4a0a4eb44dcb 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -90,7 +90,7 @@ int show_interrupts(struct seq_file *p, void *v)
                 any_count = kstat_irqs(i);
 #else
                 for_each_online_cpu(j)
-                        any_count |= kstat_cpu(j).irqs[i];
+                        any_count |= kstat_irqs_cpu(i, j);
 #endif
                 action = desc->action;
                 if (!action && !any_count)
@@ -100,7 +100,7 @@ int show_interrupts(struct seq_file *p, void *v)
                 seq_printf(p, "%10u ", kstat_irqs(i));
 #else
                 for_each_online_cpu(j)
-                        seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+                        seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
 #endif
                 seq_printf(p, " %8s", desc->chip->name);
                 seq_printf(p, "-%-8s", desc->name);
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 9d85ab384435..817aa55a1209 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -633,7 +633,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
         /*
          * handle this 'virtual interrupt' as a Cobalt one now.
          */
-        kstat_cpu(smp_processor_id()).irqs[realirq]++;
+        kstat_irqs_this_cpu(desc)++;
 
         if (likely(desc->action != NULL))
                 handle_IRQ_event(realirq, desc->action);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index dd71e3a021cd..bb6bc721b13d 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -241,7 +241,7 @@ static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enabl
                 ADD_STATS(taken_slow_spurious, !xen_test_irq_pending(irq));
         } while (!xen_test_irq_pending(irq)); /* check for spurious wakeups */
 
-        kstat_this_cpu.irqs[irq]++;
+        kstat_irqs_this_cpu(irq_to_desc(irq))++;
 
 out:
         raw_local_irq_restore(flags);