summaryrefslogtreecommitdiffstats
path: root/kernel/irq/debugfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/irq/debugfs.c')
-rw-r--r--kernel/irq/debugfs.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/irq/debugfs.c b/kernel/irq/debugfs.c
index bbd783a83409..516c00a5e867 100644
--- a/kernel/irq/debugfs.c
+++ b/kernel/irq/debugfs.c
@@ -56,6 +56,7 @@ static const struct irq_bit_descr irqchip_flags[] = {
BIT_MASK_DESCR(IRQCHIP_ONESHOT_SAFE),
BIT_MASK_DESCR(IRQCHIP_EOI_THREADED),
BIT_MASK_DESCR(IRQCHIP_SUPPORTS_LEVEL_MSI),
+ BIT_MASK_DESCR(IRQCHIP_SUPPORTS_NMI),
};
static void
@@ -140,6 +141,7 @@ static const struct irq_bit_descr irqdesc_istates[] = {
BIT_MASK_DESCR(IRQS_WAITING),
BIT_MASK_DESCR(IRQS_PENDING),
BIT_MASK_DESCR(IRQS_SUSPENDED),
+ BIT_MASK_DESCR(IRQS_NMI),
};
@@ -203,8 +205,8 @@ static ssize_t irq_debug_write(struct file *file, const char __user *user_buf,
chip_bus_lock(desc);
raw_spin_lock_irqsave(&desc->lock, flags);
- if (irq_settings_is_level(desc)) {
- /* Can't do level, sorry */
+ if (irq_settings_is_level(desc) || desc->istate & IRQS_NMI) {
+ /* Can't do level nor NMIs, sorry */
err = -EINVAL;
} else {
desc->istate |= IRQS_PENDING;