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authorMasahiro Yamada <masahiroy@kernel.org>2020-02-28 12:46:40 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2020-03-03 20:49:21 +0900
commit2a86f6612164a10a3cdb6a499bddf329c4d69f84 (patch)
tree159756c78f85219f2d16c21ec87feb5c4d8ff100 /arch/sparc
parentfcf1b6a35c16ac500fa908a4022238e5d666eabf (diff)
kbuild: use KBUILD_DEFCONFIG as the fallback for DEFCONFIG_LIST
Most of the Kconfig commands (except defconfig and all*config) read the .config file as a base set of CONFIG options. When it does not exist, the files in DEFCONFIG_LIST are searched in this order and loaded if found. I do not see much sense in the last two lines in DEFCONFIG_LIST. [1] ARCH_DEFCONFIG The entry for DEFCONFIG_LIST is guarded by 'depends on !UML'. So, the ARCH_DEFCONFIG definition in arch/x86/um/Kconfig is meaningless. arch/{sh,sparc,x86}/Kconfig define ARCH_DEFCONFIG depending on 32 or 64 bit variant symbols. This is a little bit strange; ARCH_DEFCONFIG should be a fixed string because the base config file is loaded before the symbol evaluation stage. Using KBUILD_DEFCONFIG makes more sense because it is fixed before Kconfig is invoked. Fortunately, arch/{sh,sparc,x86}/Makefile define it in the same way, and it works as expected. Hence, replace ARCH_DEFCONFIG with "arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)". [2] arch/$(ARCH)/defconfig This file path is no longer valid. The defconfig files are always located in the arch configs/ directories. $ find arch -name defconfig | sort arch/alpha/configs/defconfig arch/arm64/configs/defconfig arch/csky/configs/defconfig arch/nds32/configs/defconfig arch/riscv/configs/defconfig arch/s390/configs/defconfig arch/unicore32/configs/defconfig The path arch/*/configs/defconfig is already covered by "arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)". So, this file path is not necessary. I moved the default KBUILD_DEFCONFIG to the top Makefile. Otherwise, the 7 architectures listed above would end up with endless loop of syncconfig. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Kconfig5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c1dd6dd642f4..0de15380d1fc 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -95,11 +95,6 @@ config SPARC64
select PCI_DOMAINS if PCI
select ARCH_HAS_GIGANTIC_PAGE
-config ARCH_DEFCONFIG
- string
- default "arch/sparc/configs/sparc32_defconfig" if SPARC32
- default "arch/sparc/configs/sparc64_defconfig" if SPARC64
-
config ARCH_PROC_KCORE_TEXT
def_bool y