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kbuild: force all architectures except um to include mandatory-y

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Currently, every arch/*/include/uapi/asm/Kbuild explicitly includes
the common Kbuild.asm file. Factor out the duplicated include directives
to scripts/Makefile.asm-generic so that no architecture would opt out
of the mandatory-y mechanism.

um is not forced to include mandatory-y since it is a very exceptional
case which does not support UAPI.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2019-03-17 11:01:09 +09:00
parent 7cbbbb8bc2
commit 037fc3368b
29 changed files with 18 additions and 47 deletions
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2
Documentation/kbuild/makefiles.txt
View File

@ -1274,7 +1274,7 @@ See subsequent chapter for the syntax of the Kbuild file.
--- 7.4 mandatory-y
mandatory-y is essentially used by include/(uapi/)asm-generic/Kbuild.asm
mandatory-y is essentially used by include/(uapi/)asm-generic/Kbuild
to define the minimum set of ASM headers that all architectures must have.
This works like optional generic-y. If a mandatory header is missing

6
Makefile
View File

@ -1098,9 +1098,11 @@ asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj
PHONY += asm-generic uapi-asm-generic
asm-generic: uapi-asm-generic
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm \
generic=include/asm-generic
uapi-asm-generic:
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm \
generic=include/uapi/asm-generic
PHONY += prepare-objtool
prepare-objtool: $(objtool_target)

2
arch/alpha/include/uapi/asm/Kbuild
View File

@ -1,3 +1 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h

2
arch/arc/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

1
arch/arm/include/uapi/asm/Kbuild
View File

@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd-common.h
generated-y += unistd-oabi.h

1
arch/arm64/include/uapi/asm/Kbuild
View File

@ -1,4 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h

2
arch/c6x/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/csky/include/uapi/asm/Kbuild
View File

@ -1,3 +1 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += ucontext.h

2
arch/h8300/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/hexagon/include/uapi/asm/Kbuild
View File

@ -1,3 +1 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += ucontext.h

2
arch/ia64/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_64.h
generic-y += kvm_para.h

2
arch/m68k/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generic-y += kvm_para.h

2
arch/microblaze/include/uapi/asm/Kbuild
View File

@ -1,5 +1,3 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/mips/include/uapi/asm/Kbuild
View File

@ -1,5 +1,3 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_n32.h
generated-y += unistd_n64.h
generated-y += unistd_o32.h

2
arch/nds32/include/uapi/asm/Kbuild
View File

@ -1,3 +1 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += ucontext.h

2
arch/nios2/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/openrisc/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/parisc/include/uapi/asm/Kbuild
View File

@ -1,5 +1,3 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h
generic-y += kvm_para.h

2
arch/powerpc/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h

1
arch/riscv/include/uapi/asm/Kbuild
View File

@ -1 +0,0 @@
include include/uapi/asm-generic/Kbuild.asm

1
arch/s390/include/uapi/asm/Kbuild
View File

@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h

1
arch/sh/include/uapi/asm/Kbuild
View File

@ -1,5 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generic-y += kvm_para.h

2
arch/sparc/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h

2
arch/unicore32/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += kvm_para.h
generic-y += ucontext.h

2
arch/x86/include/uapi/asm/Kbuild
View File

@ -1,5 +1,3 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generated-y += unistd_64.h
generated-y += unistd_x32.h

2
arch/xtensa/include/uapi/asm/Kbuild
View File

@ -1,4 +1,2 @@
include include/uapi/asm-generic/Kbuild.asm
generated-y += unistd_32.h
generic-y += kvm_para.h

5
include/asm-generic/Kbuild Normal file
View File

@ -0,0 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
#
# asm headers that all architectures except um should have
# (This file is not included when SRCARCH=um since UML borrows several
# asm headers from the host architecutre.)

4
include/uapi/asm-generic/Kbuild.asm → include/uapi/asm-generic/Kbuild
View File

@ -1,6 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
#
# Headers that are mandatory in usr/include/asm/
#
# (This file is not included when SRCARCH=um since UML does not support UAPI.)
mandatory-y += auxvec.h
mandatory-y += bitsperlong.h
mandatory-y += bpf_perf_event.h

5
scripts/Makefile.asm-generic
View File

@ -12,6 +12,11 @@ all:
src := $(subst /generated,,$(obj))
-include $(src)/Kbuild
# $(generic)/Kbuild lists mandatory-y. Exclude um since it is a special case.
ifneq ($(SRCARCH),um)
include $(generic)/Kbuild
endif
include scripts/Kbuild.include
redundant := $(filter $(mandatory-y) $(generated-y), $(generic-y))