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/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index dd9d7b5..70e4bad 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -345,7 +345,7 @@
desc = irq_desc + irq;
cfg = irq_cfg + irq;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (!cfg->move_cleanup_count)
goto unlock;
@@ -358,7 +358,7 @@
spin_unlock_irqrestore(&vector_lock, flags);
cfg->move_cleanup_count--;
unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
return IRQ_HANDLED;
}