um: stop abusing KBUILD_KCONFIG

Instead create a arch/um/Kconfig file that just includes the actual
per-arch Kconfig file.  Note that we use HEADER_ARCH to find the
per-arch Kconfig file as that variable already includes the
normalization from i386 or x86_64 to x86.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

3 files changed, 4 insertions, 8 deletions

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
new file mode 100644
index 000000000000..76b4a32c9f42
--- /dev/null
+++ b/arch/um/Kconfig
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+source "arch/$(HEADER_ARCH)/um/Kconfig"
diff --git a/arch/um/Makefile b/arch/um/Makefile
index e54dda8a0363..d427bfc6948f 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -113,8 +113,6 @@ define archhelp
   echo '                   find in the kernel root.'
 endef
 
-KBUILD_KCONFIG := $(HOST_DIR)/um/Kconfig
-
 archheaders:
         $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
                     kbuild-file=$(HOST_DIR)/include/asm/Kbuild \
@@ -176,4 +174,4 @@ endef
 include/generated/user_constants.h: $(HOST_DIR)/um/user-offsets.s
         $(call filechk,gen-asm-offsets)
 
-export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
+export HEADER_ARCH SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS DEV_NULL_PATH
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index 9d529f22fd9d..7e509c83d80d 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -1,9 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
-mainmenu "User Mode Linux/$(SUBARCH) $(KERNELVERSION) Kernel Configuration"
-
-comment "Compiler: $(CC_VERSION_TEXT)"
-
-source "scripts/Kconfig.include"
 
 source "arch/um/Kconfig.common"