[PATCH 1/5] kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild
Masahiro Yamada
masahiroy at kernel.org
Wed May 26 07:32:22 PDT 2021
On Wed, May 12, 2021 at 5:00 PM Masahiro Yamada <masahiroy at kernel.org> wrote:
>
> arch/$(SRCARCH)/Kbuild is useful for Makefile cleanups because you can
> use the obj-y syntax.
>
> Add an empty file if it is missing in arch/$(SRCARCH)/.
>
> Signed-off-by: Masahiro Yamada <masahiroy at kernel.org>
> ---
Applied to linux-kbuild.
>
> Makefile | 2 +-
> arch/alpha/Kbuild | 1 +
> arch/arc/Makefile | 3 ---
> arch/arm/Makefile | 1 -
> arch/arm64/Makefile | 1 -
> arch/csky/Kbuild | 1 +
> arch/h8300/Kbuild | 1 +
> arch/hexagon/Kbuild | 1 +
> arch/ia64/Kbuild | 1 +
> arch/microblaze/Kbuild | 1 +
> arch/mips/Makefile | 3 ---
> arch/nds32/Kbuild | 1 +
> arch/nios2/Kbuild | 1 +
> arch/openrisc/Makefile | 1 -
> arch/parisc/Kbuild | 1 +
> arch/powerpc/Makefile | 3 ---
> arch/riscv/Makefile | 1 -
> arch/s390/Makefile | 3 ---
> arch/sh/Kbuild | 1 +
> arch/sparc/Makefile | 3 ---
> arch/um/Kbuild | 1 +
> arch/x86/Makefile | 3 ---
> arch/xtensa/Kbuild | 1 +
> 23 files changed, 13 insertions(+), 23 deletions(-)
> create mode 100644 arch/alpha/Kbuild
> create mode 100644 arch/csky/Kbuild
> create mode 100644 arch/h8300/Kbuild
> create mode 100644 arch/hexagon/Kbuild
> create mode 100644 arch/ia64/Kbuild
> create mode 100644 arch/microblaze/Kbuild
> create mode 100644 arch/nds32/Kbuild
> create mode 100644 arch/nios2/Kbuild
> create mode 100644 arch/parisc/Kbuild
> create mode 100644 arch/sh/Kbuild
> create mode 100644 arch/um/Kbuild
> create mode 100644 arch/xtensa/Kbuild
>
> diff --git a/Makefile b/Makefile
> index 15b6476d0f89..7df040b1b023 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -658,7 +658,7 @@ endif
>
> ifeq ($(KBUILD_EXTMOD),)
> # Objects we will link into vmlinux / subdirs we need to visit
> -core-y := init/ usr/
> +core-y := init/ usr/ arch/$(SRCARCH)/
> drivers-y := drivers/ sound/
> drivers-$(CONFIG_SAMPLES) += samples/
> drivers-$(CONFIG_NET) += net/
> diff --git a/arch/alpha/Kbuild b/arch/alpha/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/alpha/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/arc/Makefile b/arch/arc/Makefile
> index 4392c9c189c4..3e6d4b84797f 100644
> --- a/arch/arc/Makefile
> +++ b/arch/arc/Makefile
> @@ -85,9 +85,6 @@ KBUILD_LDFLAGS += $(ldflags-y)
>
> head-y := arch/arc/kernel/head.o
>
> -# See arch/arc/Kbuild for content of core part of the kernel
> -core-y += arch/arc/
> -
> # w/o this dtb won't embed into kernel binary
> core-y += arch/arc/boot/dts/
>
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index 415c3514573a..173da685a52e 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -252,7 +252,6 @@ endif
>
> export TEXT_OFFSET GZFLAGS MMUEXT
>
> -core-y += arch/arm/
> # If we have a machine-specific directory, then include it in the build.
> core-y += $(machdirs) $(platdirs)
>
> diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
> index 7ef44478560d..b73c151f3a53 100644
> --- a/arch/arm64/Makefile
> +++ b/arch/arm64/Makefile
> @@ -149,7 +149,6 @@ KBUILD_CFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
> KBUILD_CPPFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
> KBUILD_AFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
>
> -core-y += arch/arm64/
> libs-y := arch/arm64/lib/ $(libs-y)
> libs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
>
> diff --git a/arch/csky/Kbuild b/arch/csky/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/csky/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/h8300/Kbuild b/arch/h8300/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/h8300/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/hexagon/Kbuild b/arch/hexagon/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/hexagon/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/ia64/Kbuild b/arch/ia64/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/ia64/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/microblaze/Kbuild b/arch/microblaze/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/microblaze/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/mips/Makefile b/arch/mips/Makefile
> index 258234c35a09..4e942b7ef022 100644
> --- a/arch/mips/Makefile
> +++ b/arch/mips/Makefile
> @@ -332,9 +332,6 @@ head-y := arch/mips/kernel/head.o
> libs-y += arch/mips/lib/
> libs-$(CONFIG_MIPS_FP_SUPPORT) += arch/mips/math-emu/
>
> -# See arch/mips/Kbuild for content of core part of the kernel
> -core-y += arch/mips/
> -
> drivers-y += arch/mips/crypto/
>
> # suspend and hibernation support
> diff --git a/arch/nds32/Kbuild b/arch/nds32/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/nds32/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/nios2/Kbuild b/arch/nios2/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/nios2/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index 410e7abfac69..c52de526e518 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -42,7 +42,6 @@ endif
>
> head-y := arch/openrisc/kernel/head.o
>
> -core-y += arch/openrisc/
> libs-y += $(LIBGCC)
>
> PHONY += vmlinux.bin
> diff --git a/arch/parisc/Kbuild b/arch/parisc/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/parisc/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
> index 3212d076ac6a..af669aa75b73 100644
> --- a/arch/powerpc/Makefile
> +++ b/arch/powerpc/Makefile
> @@ -267,9 +267,6 @@ head-$(CONFIG_PPC_FPU) += arch/powerpc/kernel/fpu.o
> head-$(CONFIG_ALTIVEC) += arch/powerpc/kernel/vector.o
> head-$(CONFIG_PPC_OF_BOOT_TRAMPOLINE) += arch/powerpc/kernel/prom_init.o
>
> -# See arch/powerpc/Kbuild for content of core part of the kernel
> -core-y += arch/powerpc/
> -
> # Default to zImage, override when needed
> all: zImage
>
> diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
> index 3eb9590a0775..c5f359540862 100644
> --- a/arch/riscv/Makefile
> +++ b/arch/riscv/Makefile
> @@ -90,7 +90,6 @@ endif
>
> head-y := arch/riscv/kernel/head.o
>
> -core-y += arch/riscv/
> core-$(CONFIG_RISCV_ERRATA_ALTERNATIVE) += arch/riscv/errata/
>
> libs-y += arch/riscv/lib/
> diff --git a/arch/s390/Makefile b/arch/s390/Makefile
> index e443ed9947bd..37b61645694c 100644
> --- a/arch/s390/Makefile
> +++ b/arch/s390/Makefile
> @@ -128,9 +128,6 @@ OBJCOPYFLAGS := -O binary
>
> head-y := arch/s390/kernel/head64.o
>
> -# See arch/s390/Kbuild for content of core part of the kernel
> -core-y += arch/s390/
> -
> libs-y += arch/s390/lib/
> drivers-y += drivers/s390/
>
> diff --git a/arch/sh/Kbuild b/arch/sh/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/sh/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
> index bee99e65fe23..4e65245bc755 100644
> --- a/arch/sparc/Makefile
> +++ b/arch/sparc/Makefile
> @@ -58,9 +58,6 @@ endif
>
> head-y := arch/sparc/kernel/head_$(BITS).o
>
> -# See arch/sparc/Kbuild for the core part of the kernel
> -core-y += arch/sparc/
> -
> libs-y += arch/sparc/prom/
> libs-y += arch/sparc/lib/
>
> diff --git a/arch/um/Kbuild b/arch/um/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/um/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index c77c5d8a7b3e..4307bf48ec53 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -239,9 +239,6 @@ head-y += arch/x86/kernel/platform-quirks.o
>
> libs-y += arch/x86/lib/
>
> -# See arch/x86/Kbuild for content of core part of the kernel
> -core-y += arch/x86/
> -
> # drivers-y are linked after core-y
> drivers-$(CONFIG_MATH_EMULATION) += arch/x86/math-emu/
> drivers-$(CONFIG_PCI) += arch/x86/pci/
> diff --git a/arch/xtensa/Kbuild b/arch/xtensa/Kbuild
> new file mode 100644
> index 000000000000..a4e40e534e6a
> --- /dev/null
> +++ b/arch/xtensa/Kbuild
> @@ -0,0 +1 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> --
> 2.27.0
>
--
Best Regards
Masahiro Yamada
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