[PATCH] uml: mark forward_interrupts as being mode-specific

Mark forward_interrupts as being tt-mode only.
Signed-off-by: NJeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/um/include/irq_user.h

@@ -6,6 +6,8 @@
 #ifndef __IRQ_USER_H__
 #define __IRQ_USER_H__
 
+#include "uml-config.h"
+
 struct irq_fd {
 	struct irq_fd *next;
 	void *id;
@@ -26,9 +28,12 @@ extern void free_irq_by_fd(int fd);
 extern void reactivate_fd(int fd, int irqnum);
 extern void deactivate_fd(int fd, int irqnum);
 extern int deactivate_all_fds(void);
-extern void forward_interrupts(int pid);
 extern int activate_ipi(int fd, int pid);
 extern unsigned long irq_lock(void);
 extern void irq_unlock(unsigned long flags);
 
+#ifdef CONFIG_MODE_TT
+extern void forward_interrupts(int pid);
+#endif
+
 #endif

arch/um/kernel/irq.c

@@ -350,6 +350,7 @@ int deactivate_all_fds(void)
 	return 0;
 }
 
+#ifdef CONFIG_MODE_TT
 void forward_interrupts(int pid)
 {
 	struct irq_fd *irq;
@@ -371,6 +372,7 @@ void forward_interrupts(int pid)
 	}
 	irq_unlock(flags);
 }
+#endif
 
 /*
  * do_IRQ handles all normal device IRQ's (the special