[PATCH] uml: move SIGIO startup code to os-Linux/start_up.c

The serial UML OS-abstraction layer patch (um/kernel dir).

This moves all startup code from sigio_user.c file under os-Linux dir

Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 0c5b9dc..bb1c872 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -487,8 +487,7 @@
 void __init check_bugs(void)
 {
 	arch_check_bugs();
-	check_sigio();
-	check_devanon();
+ 	os_check_bugs();
 }
 
 void apply_alternatives(struct alt_instr *start, struct alt_instr *end)