5 files changed, 8 insertions, 6 deletions
diff --git a/arch/um/include/init.h b/arch/um/include/init.h
index b00a95741d41..37dd097c16c0 100644
--- a/arch/um/include/init.h
+++ b/arch/um/include/init.h
@@ -45,6 +45,8 @@ typedef void (*exitcall_t)(void);
 # define __section(S) __attribute__ ((__section__(#S)))
 #endif
 
+#if __GNUC__ == 3
+
 #if __GNUC_MINOR__ >= 3
 # define __used			__attribute__((__used__))
 #else
@@ -52,6 +54,12 @@ typedef void (*exitcall_t)(void);
 #endif
 
 #else
+#if __GNUC__ == 4
+# define __used			__attribute__((__used__))
+#endif
+#endif
+
+#else
 #include <linux/compiler.h>
 #endif
 /* These are for everybody (although not all archs will actually
diff --git a/arch/um/include/irq_kern.h b/arch/um/include/irq_kern.h
index 4f775597fd5f..fba3895274f9 100644
--- a/arch/um/include/irq_kern.h
+++ b/arch/um/include/irq_kern.h
@@ -13,8 +13,6 @@ extern int um_request_irq(unsigned int irq, int fd, int type,
 			  irq_handler_t handler,
 			  unsigned long irqflags,  const char * devname,
 			  void *dev_id);
-extern int init_aio_irq(int irq, char *name,
-			irq_handler_t handler);
 
 #endif
 
diff --git a/arch/um/include/irq_user.h b/arch/um/include/irq_user.h
index e60b31873de1..c6c784df2673 100644
--- a/arch/um/include/irq_user.h
+++ b/arch/um/include/irq_user.h
@@ -21,8 +21,6 @@ struct irq_fd {
 enum { IRQ_READ, IRQ_WRITE };
 
 extern void sigio_handler(int sig, struct uml_pt_regs *regs);
-extern int activate_fd(int irq, int fd, int type, void *dev_id);
-extern void free_irq_by_irq_and_dev(unsigned int irq, void *dev_id);
 extern void free_irq_by_fd(int fd);
 extern void reactivate_fd(int fd, int irqnum);
 extern void deactivate_fd(int fd, int irqnum);
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/skas/skas.h
index b073f8a86bd3..64d2c7443306 100644
--- a/arch/um/include/skas/skas.h
+++ b/arch/um/include/skas/skas.h
@@ -16,7 +16,6 @@ extern int user_thread(unsigned long stack, int flags);
 extern void new_thread_handler(void);
 extern void handle_syscall(struct uml_pt_regs *regs);
 extern int new_mm(unsigned long stack);
-extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
 extern long execute_syscall_skas(void *r);
 extern unsigned long current_stub_stack(void);
 
diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h
index 2b6fc8e0f071..45c04999d670 100644
--- a/arch/um/include/um_uaccess.h
+++ b/arch/um/include/um_uaccess.h
@@ -34,7 +34,6 @@ extern int copy_to_user(void __user *to, const void *from, int n);
 
 extern int __do_copy_to_user(void *to, const void *from, int n,
 			     void **fault_addr, jmp_buf **fault_catcher);
-extern void __do_copy(void *to, const void *from, int n);
 
 /*
  * strncpy_from_user: - Copy a NUL terminated string from userspace.