#define irq_enter() (preempt_count() += HARDIRQ_OFFSET)
#ifdef CONFIG_PREEMPT
-# define in_atomic() (preempt_count() != kernel_locked())
+# define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked())
# define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
#else
# define in_atomic() (preempt_count() != 0)