x86, um: get rid of uml-config.h

Take a few symbols we need into kern_constants.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/um/Makefile

@@ -18,10 +18,6 @@ core-y			+= $(ARCH_DIR)/kernel/		\
 			   $(ARCH_DIR)/drivers/		\
 			   $(ARCH_DIR)/os-$(OS)/
 
-# These are cleaned up during mrproper. Please DO NOT fix it again, this is
-# the Correct Thing(tm) to do!
-ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/uml-config.h
-
 MODE_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
@@ -29,7 +25,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-skas
 ARCH_INCLUDE	:= -I$(srctree)/$(ARCH_DIR)/include/shared
 ARCH_INCLUDE	+= -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared
 ifneq ($(KBUILD_SRC),)
-ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for three generated files
+ARCH_INCLUDE	+= -I$(ARCH_DIR)/include/shared # for two generated files
 endif
 KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)
 
@@ -89,7 +85,7 @@ endef
 
 KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH)
 
-archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/shared/user_constants.h
+archprepare: $(ARCH_DIR)/include/shared/user_constants.h
 prepare: $(ARCH_DIR)/include/shared/kern_constants.h
 
 LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
@@ -122,12 +118,10 @@ endef
 
 # When cleaning we don't include .config, so we don't include
 # TT or skas makefiles and don't clean skas_ptregs.h.
-CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/shared/uml-config.h \
+CLEAN_FILES += linux x.i gmon.out \
 	$(ARCH_DIR)/include/shared/user_constants.h \
 	$(ARCH_DIR)/include/shared/kern_constants.h
 
-MRPROPER_FILES += $(ARCH_SYMLINKS)
-
 archclean:
 	@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
 		-o -name '*.gcov' \) -type f -print | xargs rm -f
@@ -137,12 +131,6 @@ $(objtree)/$(ARCH_DIR)/include/shared:
 	$(Q)mkdir -p $@
 
 # Generated files
-define filechk_umlconfig
-	sed 's/ CONFIG/ UML_CONFIG/'
-endef
-
-$(ARCH_DIR)/include/shared/uml-config.h : include/linux/autoconf.h
-	$(call filechk,umlconfig)
 
 $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
 	$(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@

arch/um/include/shared/common-offsets.h

@@ -39,3 +39,16 @@ DEFINE(UM_HZ, HZ);
 DEFINE(UM_USEC_PER_SEC, USEC_PER_SEC);
 DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
 DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC);
+
+#ifdef CONFIG_PRINTK
+DEFINE(UML_CONFIG_PRINTK, CONFIG_PRINTK);
+#endif
+#ifdef CONFIG_NO_HZ
+DEFINE(UML_CONFIG_NO_HZ, CONFIG_NO_HZ);
+#endif
+#ifdef CONFIG_UML_X86
+DEFINE(UML_CONFIG_UML_X86, CONFIG_UML_X86);
+#endif
+#ifdef CONFIG_64BIT
+DEFINE(UML_CONFIG_64BIT, CONFIG_64BIT);
+#endif

arch/um/include/shared/user.h

@@ -6,7 +6,7 @@
 #ifndef __USER_H__
 #define __USER_H__
 
-#include "uml-config.h"
+#include "kern_constants.h"
 
 /*
  * The usual definition - copied here because the kernel provides its own,