-extern void fastcall handle_level_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_edge_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_simple_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
-extern void fastcall handle_bad_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_level_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_edge_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_simple_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_percpu_irq(unsigned int irq, struct irq_desc *desc);
+extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);