vsprintf.c: use noinline_for_stack

[safe/jmp/linux-2.6] / kernel / irq / internals.h

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index e70ed55..c63f3bc 100644 (file)
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -18,14 +18,10 @@ extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume);
 extern struct lock_class_key irq_desc_lock_class;
 extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
 extern void clear_kstat_irqs(struct irq_desc *desc);
-extern spinlock_t sparse_irq_lock;
+extern raw_spinlock_t sparse_irq_lock;
 
 #ifdef CONFIG_SPARSE_IRQ
-/* irq_desc_ptrs allocated at boot time */
-extern struct irq_desc **irq_desc_ptrs;
-#else
-/* irq_desc_ptrs is a fixed size array */
-extern struct irq_desc *irq_desc_ptrs[NR_IRQS];
+void replace_irq_desc(unsigned int irq, struct irq_desc *desc);
 #endif
 
 #ifdef CONFIG_PROC_FS
@@ -44,6 +40,19 @@ extern int irq_select_affinity_usr(unsigned int irq);
 
 extern void irq_set_thread_affinity(struct irq_desc *desc);
 
+/* Inline functions for support of irq chips on slow busses */
+static inline void chip_bus_lock(unsigned int irq, struct irq_desc *desc)
+{
+       if (unlikely(desc->chip->bus_lock))
+               desc->chip->bus_lock(irq);
+}
+
+static inline void chip_bus_sync_unlock(unsigned int irq, struct irq_desc *desc)
+{
+       if (unlikely(desc->chip->bus_sync_unlock))
+               desc->chip->bus_sync_unlock(irq);
+}
+
 /*
  * Debugging printout:
  */