x86, um: get rid of system.h -> system.h include

Long-term we want to split system.h and include barriers part from
underlying target; for now copy that part to sysdep.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/um/include/asm/system-i386.h b/arch/um/include/asm/system-i386.h
deleted file mode 100644
index c436263..0000000
--- a/arch/um/include/asm/system-i386.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_SYSTEM_I386_H
-#define __UM_SYSTEM_I386_H
-
-#include "asm/system-generic.h"
-    
-#endif
diff --git a/arch/um/include/asm/system-ppc.h b/arch/um/include/asm/system-ppc.h
deleted file mode 100644
index 17cde66..0000000
--- a/arch/um/include/asm/system-ppc.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef __UM_SYSTEM_PPC_H
-#define __UM_SYSTEM_PPC_H
-
-#define _switch_to _ppc_switch_to
-
-#include "asm/arch/system.h"
-
-#undef _switch_to
- 
-#include "asm/system-generic.h"
-
-#endif
diff --git a/arch/um/include/asm/system-x86_64.h b/arch/um/include/asm/system-x86_64.h
deleted file mode 100644
index e1b61b5..0000000
--- a/arch/um/include/asm/system-x86_64.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright 2003 PathScale, Inc.
- *
- * Licensed under the GPL
- */
-
-#ifndef __UM_SYSTEM_X86_64_H
-#define __UM_SYSTEM_X86_64_H
-
-#include "asm/system-generic.h"
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/asm/system-generic.h b/arch/um/include/asm/system.h
similarity index 79%
rename from arch/um/include/asm/system-generic.h
rename to arch/um/include/asm/system.h
index 5bcfa35..753346e 100644
--- a/arch/um/include/asm/system-generic.h
+++ b/arch/um/include/asm/system.h
@@ -1,19 +1,7 @@
 #ifndef __UM_SYSTEM_GENERIC_H
 #define __UM_SYSTEM_GENERIC_H
 
-#include "asm/arch/system.h"
-
-#undef switch_to
-#undef local_irq_save
-#undef local_irq_restore
-#undef local_irq_disable
-#undef local_irq_enable
-#undef local_save_flags
-#undef local_irq_restore
-#undef local_irq_enable
-#undef local_irq_disable
-#undef local_irq_save
-#undef irqs_disabled
+#include "sysdep/system.h"
 
 extern void *switch_to(void *prev, void *next, void *last);