Re: [PATCH 1/5] kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild
On Wed, May 12, 2021 at 5:00 PM Masahiro Yamada wrote: > > arch/$(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/$(SRCARCH)/. > > Signed-off-by: Masahiro Yamada > --- Applied to linux-kbuild. > > Makefile | 2 +- > arch/alpha/Kbuild | 1 + > arch/arc/Makefile | 3 --- > arch/arm/Makefile | 1 - > arch/arm64/Makefile| 1 - > arch/csky/Kbuild | 1 + > arch/h8300/Kbuild | 1 + > arch/hexagon/Kbuild| 1 + > arch/ia64/Kbuild | 1 + > arch/microblaze/Kbuild | 1 + > arch/mips/Makefile | 3 --- > arch/nds32/Kbuild | 1 + > arch/nios2/Kbuild | 1 + > arch/openrisc/Makefile | 1 - > arch/parisc/Kbuild | 1 + > arch/powerpc/Makefile | 3 --- > arch/riscv/Makefile| 1 - > arch/s390/Makefile | 3 --- > arch/sh/Kbuild | 1 + > arch/sparc/Makefile| 3 --- > arch/um/Kbuild | 1 + > arch/x86/Makefile | 3 --- > arch/xtensa/Kbuild | 1 + > 23 files changed, 13 insertions(+), 23 deletions(-) > create mode 100644 arch/alpha/Kbuild > create mode 100644 arch/csky/Kbuild > create mode 100644 arch/h8300/Kbuild > create mode 100644 arch/hexagon/Kbuild > create mode 100644 arch/ia64/Kbuild > create mode 100644 arch/microblaze/Kbuild > create mode 100644 arch/nds32/Kbuild > create mode 100644 arch/nios2/Kbuild > create mode 100644 arch/parisc/Kbuild > create mode 100644 arch/sh/Kbuild > create mode 100644 arch/um/Kbuild > create mode 100644 arch/xtensa/Kbuild > > diff --git a/Makefile b/Makefile > index 15b6476d0f89..7df040b1b023 100644 > --- a/Makefile > +++ b/Makefile > @@ -658,7 +658,7 @@ endif > > ifeq ($(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 ..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) += $(objtree)/drivers/firmware/efi/libstub/lib.a > > diff --git a/arch/csky/Kbuild b/arch/csky/Kbuild > new file mode 100644 > index ..a4e40e534e6a > --- /dev/null > +++ b/arch/csky/Kbuild > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: GPL-2.0-only > diff --git a/arch/h8300/Kbuild b/arch/h8300/Kbuild > new file mode 100644 > index ..a4e40e534e6a > --- /dev/null > +++ b/arch/h8300/Kbuild > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: GPL-2.0-only > diff --git a/arch/hexagon/Kbuild b/arch/hexagon/Kbuild > new file mode 100644 > index ..a4e40e534e6a > --- /dev/null > +++ b/arch/hexagon/Kbuild > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: GPL-2.0-only > diff --git a/arch/ia64/Kbuild b/arch/ia64/Kbuild > new file mode 100644 > index ..a4e40e534e6a > --- /dev/null > +++ b/arch/ia64/Kbuild > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: GPL-2.0-only > diff --git a/arch/microblaze/Kbuild b/arch/microblaze/Kbuild > new file mode 100644 > index ..a4e40e534e6a > --- /dev/null > +++ b/arch/microblaze/Kbuild > @@ -0,0 +1 @@ > +# SPDX-License-Identifier: GPL-2.0-only > diff --git a/arch/mips/Makefile b/arch/mips/Makefile > index 258234c35a09..4e942b7ef022 100644 > --- a/arch/mips/Makefile > +++ b/arch/mips/Makefile > @@ -332,9 +332,6 @@ head-y := arch/mips/kernel/head.o > libs-y += arch/mips/lib/ > libs-$(CONFIG_MIPS_FP_SUPPORT) +=
[PATCH 1/5] kbuild: require all architectures to have arch/$(SRCARCH)/Kbuild
arch/$(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/$(SRCARCH)/. Signed-off-by: Masahiro Yamada --- Makefile | 2 +- arch/alpha/Kbuild | 1 + arch/arc/Makefile | 3 --- arch/arm/Makefile | 1 - arch/arm64/Makefile| 1 - arch/csky/Kbuild | 1 + arch/h8300/Kbuild | 1 + arch/hexagon/Kbuild| 1 + arch/ia64/Kbuild | 1 + arch/microblaze/Kbuild | 1 + arch/mips/Makefile | 3 --- arch/nds32/Kbuild | 1 + arch/nios2/Kbuild | 1 + arch/openrisc/Makefile | 1 - arch/parisc/Kbuild | 1 + arch/powerpc/Makefile | 3 --- arch/riscv/Makefile| 1 - arch/s390/Makefile | 3 --- arch/sh/Kbuild | 1 + arch/sparc/Makefile| 3 --- arch/um/Kbuild | 1 + arch/x86/Makefile | 3 --- arch/xtensa/Kbuild | 1 + 23 files changed, 13 insertions(+), 23 deletions(-) create mode 100644 arch/alpha/Kbuild create mode 100644 arch/csky/Kbuild create mode 100644 arch/h8300/Kbuild create mode 100644 arch/hexagon/Kbuild create mode 100644 arch/ia64/Kbuild create mode 100644 arch/microblaze/Kbuild create mode 100644 arch/nds32/Kbuild create mode 100644 arch/nios2/Kbuild create mode 100644 arch/parisc/Kbuild create mode 100644 arch/sh/Kbuild create mode 100644 arch/um/Kbuild create mode 100644 arch/xtensa/Kbuild diff --git a/Makefile b/Makefile index 15b6476d0f89..7df040b1b023 100644 --- a/Makefile +++ b/Makefile @@ -658,7 +658,7 @@ endif ifeq ($(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 ..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) += $(objtree)/drivers/firmware/efi/libstub/lib.a diff --git a/arch/csky/Kbuild b/arch/csky/Kbuild new file mode 100644 index ..a4e40e534e6a --- /dev/null +++ b/arch/csky/Kbuild @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0-only diff --git a/arch/h8300/Kbuild b/arch/h8300/Kbuild new file mode 100644 index ..a4e40e534e6a --- /dev/null +++ b/arch/h8300/Kbuild @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0-only diff --git a/arch/hexagon/Kbuild b/arch/hexagon/Kbuild new file mode 100644 index ..a4e40e534e6a --- /dev/null +++ b/arch/hexagon/Kbuild @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0-only diff --git a/arch/ia64/Kbuild b/arch/ia64/Kbuild new file mode 100644 index ..a4e40e534e6a --- /dev/null +++ b/arch/ia64/Kbuild @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0-only diff --git a/arch/microblaze/Kbuild b/arch/microblaze/Kbuild new file mode 100644 index ..a4e40e534e6a --- /dev/null +++ b/arch/microblaze/Kbuild @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0-only diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 258234c35a09..4e942b7ef022 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -332,9 +332,6 @@ head-y := arch/mips/kernel/head.o libs-y += arch/mips/lib/ libs-$(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 ..a4e40e534e6a --- /dev/null +++ b/arch/nds32/Kbuild @@ -0,0 +1 @@ +#
