diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/pda.h | 1 | ||||
| -rw-r--r-- | arch/blackfin/kernel/irqchip.c | 8 |
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h index bd8d4a7efeb..a67142740df 100644 --- a/arch/blackfin/include/asm/pda.h +++ b/arch/blackfin/include/asm/pda.h @@ -59,6 +59,7 @@ struct blackfin_pda { /* Per-processor Data Area */ unsigned long icplb_fault_addr; unsigned long retx; unsigned long seqstat; + unsigned int __nmi_count; /* number of times NMI asserted on this CPU */ }; extern struct blackfin_pda cpu_pda[]; diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c index ab8209cbbad..75724eee649 100644 --- a/arch/blackfin/kernel/irqchip.c +++ b/arch/blackfin/kernel/irqchip.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <asm/trace.h> +#include <asm/pda.h> static atomic_t irq_err_count; static spinlock_t irq_controller_lock; @@ -91,8 +92,13 @@ 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) + } else if (i == NR_IRQS) { + seq_printf(p, "NMI: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_pda[j].__nmi_count); + seq_printf(p, " CORE Non Maskable Interrupt\n"); seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count)); + } return 0; } |