diff options
Diffstat (limited to 'drivers/tty/serial/8250.c')
| -rw-r--r-- | drivers/tty/serial/8250.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c index e6d9dc17fbab..b2458196633a 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250.c @@ -1631,12 +1631,14 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id) l = l->next; +#ifndef CONFIG_PREEMPT_RT_FULL if (l == i->head && pass_counter++ > PASS_LIMIT) { /* If we hit this, we're dead. */ printk_ratelimited(KERN_ERR "serial8250: too much work for irq%d\n", irq); break; } +#endif } while (l != end); spin_unlock(&i->lock); |