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, 4 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index f6dca4f4b295..9040330b0530 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -210,7 +210,7 @@ int show_interrupts(struct seq_file *p, void *v)
         if (!desc)
                 return 0;
 
-        spin_lock_irqsave(&desc->lock, flags);
+        raw_spin_lock_irqsave(&desc->lock, flags);
 
         action = desc->action;
         if (!action || !action->handler)
@@ -237,7 +237,7 @@ int show_interrupts(struct seq_file *p, void *v)
         seq_putc(p, '\n');
 
 skip:
-        spin_unlock_irqrestore(&desc->lock, flags);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 
         return 0;
 }
@@ -1112,7 +1112,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
                 if (!desc)
                         continue;
 
-                spin_lock_irqsave(&desc->lock, flags);
+                raw_spin_lock_irqsave(&desc->lock, flags);
 
                 if (desc->action && desc->action->handler) {
                         seq_printf(m, "%5d  ", i);
@@ -1131,7 +1131,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
                         seq_printf(m, "%s\n", p);
                 }
 
-                spin_unlock_irqrestore(&desc->lock, flags);
+                raw_spin_unlock_irqrestore(&desc->lock, flags);
         }
 
         return 0;