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>
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c
index feb0e54..038f24d 100644
--- a/arch/arm/mach-ns9xxx/irq.c
+++ b/arch/arm/mach-ns9xxx/irq.c
@@ -66,7 +66,7 @@
struct irqaction *action;
irqreturn_t action_ret;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
BUG_ON(desc->status & IRQ_INPROGRESS);
@@ -78,7 +78,7 @@
goto out_mask;
desc->status |= IRQ_INPROGRESS;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
@@ -87,7 +87,7 @@
* Maybe this function should go to kernel/irq/chip.c? */
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
if (desc->status & IRQ_DISABLED)
@@ -97,7 +97,7 @@
/* ack unconditionally to unmask lower prio irqs */
desc->chip->ack(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
#define handle_irq handle_prio_irq
#endif