diff options
Diffstat (limited to 'arch/xtensa/kernel/irq.c')
| -rw-r--r-- | arch/xtensa/kernel/irq.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 3eee94f621eb..4ac3d23161cf 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -28,7 +28,7 @@ #include <asm/uaccess.h> #include <asm/platform.h> -atomic_t irq_err_count; +DECLARE_PER_CPU(unsigned long, nmi_count); asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { @@ -57,11 +57,16 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) int arch_show_interrupts(struct seq_file *p, int prec) { + unsigned cpu __maybe_unused; #ifdef CONFIG_SMP show_ipi_list(p, prec); #endif - seq_printf(p, "%*s: ", prec, "ERR"); - seq_printf(p, "%10u\n", atomic_read(&irq_err_count)); +#if XTENSA_FAKE_NMI + seq_printf(p, "%*s:", prec, "NMI"); + for_each_online_cpu(cpu) + seq_printf(p, " %10lu", per_cpu(nmi_count, cpu)); + seq_puts(p, " Non-maskable interrupts\n"); +#endif return 0; } @@ -106,6 +111,12 @@ int xtensa_irq_map(struct irq_domain *d, unsigned int irq, irq_set_chip_and_handler_name(irq, irq_chip, handle_percpu_irq, "timer"); irq_clear_status_flags(irq, IRQ_LEVEL); +#ifdef XCHAL_INTTYPE_MASK_PROFILING + } else if (mask & XCHAL_INTTYPE_MASK_PROFILING) { + irq_set_chip_and_handler_name(irq, irq_chip, + handle_percpu_irq, "profiling"); + irq_set_status_flags(irq, IRQ_LEVEL); +#endif } else {/* XCHAL_INTTYPE_MASK_WRITE_ERROR */ /* XCHAL_INTTYPE_MASK_NMI */ irq_set_chip_and_handler_name(irq, irq_chip, @@ -166,23 +177,25 @@ void migrate_irqs(void) for_each_active_irq(i) { struct irq_data *data = irq_get_irq_data(i); + struct cpumask *mask; unsigned int newcpu; if (irqd_is_per_cpu(data)) continue; - if (!cpumask_test_cpu(cpu, data->affinity)) + mask = irq_data_get_affinity_mask(data); + if (!cpumask_test_cpu(cpu, mask)) continue; - newcpu = cpumask_any_and(data->affinity, cpu_online_mask); + newcpu = cpumask_any_and(mask, cpu_online_mask); if (newcpu >= nr_cpu_ids) { pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n", i, cpu); - cpumask_setall(data->affinity); + cpumask_setall(mask); } - irq_set_affinity(i, data->affinity); + irq_set_affinity(i, mask); } } #endif /* CONFIG_HOTPLUG_CPU */ |
