Merge commit 'remotes/tip/x86/paravirt' into x86/untangle2

[pandora-kernel.git] / arch / sparc / kernel / irq_64.c

diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 4ac5c65..3d2c6ba 100644 (file)
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -196,6 +196,11 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_putc(p, '\n');
 skip:
                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+       } else if (i == NR_IRQS) {
+               seq_printf(p, "NMI: ");
+               for_each_online_cpu(j)
+                       seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+               seq_printf(p, "     Non-maskable interrupts\n");
        }
        return 0;
 }
@@ -779,69 +784,6 @@ void do_softirq(void)
        local_irq_restore(flags);
 }
 
-static void unhandled_perf_irq(struct pt_regs *regs)
-{
-       unsigned long pcr, pic;
-
-       read_pcr(pcr);
-       read_pic(pic);
-
-       write_pcr(0);
-
-       printk(KERN_EMERG "CPU %d: Got unexpected perf counter IRQ.\n",
-              smp_processor_id());
-       printk(KERN_EMERG "CPU %d: PCR[%016lx] PIC[%016lx]\n",
-              smp_processor_id(), pcr, pic);
-}
-
-/* Almost a direct copy of the powerpc PMC code.  */
-static DEFINE_SPINLOCK(perf_irq_lock);
-static void *perf_irq_owner_caller; /* mostly for debugging */
-static void (*perf_irq)(struct pt_regs *regs) = unhandled_perf_irq;
-
-/* Invoked from level 15 PIL handler in trap table.  */
-void perfctr_irq(int irq, struct pt_regs *regs)
-{
-       clear_softint(1 << irq);
-       perf_irq(regs);
-}
-
-int register_perfctr_intr(void (*handler)(struct pt_regs *))
-{
-       int ret;
-
-       if (!handler)
-               return -EINVAL;
-
-       spin_lock(&perf_irq_lock);
-       if (perf_irq != unhandled_perf_irq) {
-               printk(KERN_WARNING "register_perfctr_intr: "
-                      "perf IRQ busy (reserved by caller %p)\n",
-                      perf_irq_owner_caller);
-               ret = -EBUSY;
-               goto out;
-       }
-
-       perf_irq_owner_caller = __builtin_return_address(0);
-       perf_irq = handler;
-
-       ret = 0;
-out:
-       spin_unlock(&perf_irq_lock);
-
-       return ret;
-}
-EXPORT_SYMBOL_GPL(register_perfctr_intr);
-
-void release_perfctr_intr(void (*handler)(struct pt_regs *))
-{
-       spin_lock(&perf_irq_lock);
-       perf_irq_owner_caller = NULL;
-       perf_irq = unhandled_perf_irq;
-       spin_unlock(&perf_irq_lock);
-}
-EXPORT_SYMBOL_GPL(release_perfctr_intr);
-
 #ifdef CONFIG_HOTPLUG_CPU
 void fixup_irqs(void)
 {