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, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d5d498fbee4b..11a5851f1f50 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2431,7 +2431,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
                         continue;
 
                 cfg = irq_cfg(irq);
-                spin_lock(&desc->lock);
+                raw_spin_lock(&desc->lock);
 
                 if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
                         goto unlock;
@@ -2450,7 +2450,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
                 }
                 __get_cpu_var(vector_irq)[vector] = -1;
 unlock:
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
         }
 
         irq_exit();