On Wed, May 12, 2021 at 5:00 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> 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@xxxxxxxxxx> > --- 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