genirq: Convert irq_desc.lock to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/irq.h b/include/linux/irq.h
index a287cfc0b1a6..451481c082b5 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -192,7 +192,7 @@ struct irq_desc {
         unsigned int            irq_count;      /* For detecting broken IRQs */
         unsigned long           last_unhandled; /* Aging timer for unhandled count */
         unsigned int            irqs_unhandled;
-        spinlock_t              lock;
+        raw_spinlock_t          lock;
 #ifdef CONFIG_SMP
         cpumask_var_t           affinity;
         unsigned int            node;