In v4.12-rc1, we had a big progress for headers_install.
All (and only) headers under UAPI directories are exported.
However, asm-generic wrappers are still exceptions because
most of arch/*/include/asm/Kbuild include "generic-y" for
exported headers. As a result, many of generic-wrappers to be
exported are generated outside UAPI directories.
To finish de-coupling UAPI, "generic-y" for exported headers
should be moved to arch/*/include/uapi/asm/Kbuild.
With those cleanups, the logic of headers_install will become
even simpler. UAPI will be completely self-contained.
This series is based on v4.12-rc2 tag.
This series touches Kbuild files under arch/. We have two options
to merge this series.
[1] I will collect Acked-by from arch maintainers, then apply the
whole series to the Kbuild tree.
[2] I will ask arch maintainers to pick up arch changes (for v4.13),
then apply Makefile changes to the Kbuild tree (for v4.14).
[1] will finish this work by v4.13, but need to deal with some conflicts.
[2] will allow us to reduce conflicts (still a bit conflicts),
but take more time to finish this work.
If arch maintainers ack [1], I can manage conflicts
before sending a pull request to Linus.
Masahiro Yamada (27):
kbuild: remove useless $(gen) variable in Makefile.headersinst
kbuild: fix comment about dst of headers_{install,check}_all
kbuild: pass dst= to Makefile.headersinst from top Makefile
arm64: move generic-y of exported headers to uapi/asm/Kbuild
ARM: move generic-y of exported headers to uapi/asm/Kbuild
arc: move generic-y of exported headers to uapi/asm/Kbuild
blackfin: move generic-y of exported headers to uapi/asm/Kbuild
c6x: move generic-y of exported headers to uapi/asm/Kbuild
cris: move generic-y of exported headers to uapi/asm/Kbuild
h8300: move generic-y of exported headers to uapi/asm/Kbuild
hexagon: move generic-y of exported headers to uapi/asm/Kbuild
ia64: move generic-y of exported headers to uapi/asm/Kbuild
m32r: move generic-y of exported headers to uapi/asm/Kbuild
m68k: move generic-y of exported headers to uapi/asm/Kbuild
metag: move generic-y of exported headers to uapi/asm/Kbuild
nios2: remove unneeded arch/nios2/include/(generated/)asm/signal.h
nios2: move generic-y of exported headers to uapi/asm/Kbuild
openrisc: move generic-y of exported headers to uapi/asm/Kbuild
parisc: move generic-y of exported headers to uapi/asm/Kbuild
sh: move generic-y of exported headers to uapi/asm/Kbuild
sparc: move generic-y of exported headers to uapi/asm/Kbuild
tile: move generic-y of exported headers to uapi/asm/Kbuild
unicore32: move generic-y of exported headers to uapi/asm/Kbuild
xtensa: move generic-y of exported headers to uapi/asm/Kbuild
kbuild: do not include old-kbuild-file from Makefile.headersinst
kbuild: split exported generic header creation into uapi-asm-generic
kbuild: remove wrapper files handling from Makefile.headersinst
Makefile | 13 +++++++------
arch/arc/include/asm/Kbuild | 25 -------------------------
arch/arc/include/uapi/asm/Kbuild | 26 ++++++++++++++++++++++++++
arch/arm/include/asm/Kbuild | 17 -----------------
arch/arm/include/uapi/asm/Kbuild | 16 ++++++++++++++++
arch/arm64/include/asm/Kbuild | 17 -----------------
arch/arm64/include/uapi/asm/Kbuild | 16 ++++++++++++++++
arch/blackfin/include/asm/Kbuild | 22 ----------------------
arch/blackfin/include/uapi/asm/Kbuild | 22 ++++++++++++++++++++++
arch/c6x/include/asm/Kbuild | 27 ---------------------------
arch/c6x/include/uapi/asm/Kbuild | 26 ++++++++++++++++++++++++++
arch/cris/include/asm/Kbuild | 18 ------------------
arch/cris/include/uapi/asm/Kbuild | 19 +++++++++++++++++++
arch/h8300/include/asm/Kbuild | 27 ---------------------------
arch/h8300/include/uapi/asm/Kbuild | 28 ++++++++++++++++++++++++++++
arch/hexagon/include/asm/Kbuild | 23 -----------------------
arch/hexagon/include/uapi/asm/Kbuild | 24 ++++++++++++++++++++++++
arch/ia64/include/asm/Kbuild | 2 --
arch/m32r/include/asm/Kbuild | 2 --
arch/m32r/include/uapi/asm/Kbuild | 2 ++
arch/m68k/include/asm/Kbuild | 12 ------------
arch/m68k/include/uapi/asm/Kbuild | 11 +++++++++++
arch/metag/include/asm/Kbuild | 24 ------------------------
arch/metag/include/uapi/asm/Kbuild | 24 ++++++++++++++++++++++++
arch/nios2/include/asm/Kbuild | 25 -------------------------
arch/nios2/include/asm/signal.h | 22 ----------------------
arch/nios2/include/uapi/asm/Kbuild | 24 ++++++++++++++++++++++++
arch/openrisc/include/asm/Kbuild | 28 ----------------------------
arch/openrisc/include/uapi/asm/Kbuild | 29 +++++++++++++++++++++++++++++
arch/parisc/include/asm/Kbuild | 5 -----
arch/parisc/include/uapi/asm/Kbuild | 4 ++++
arch/sh/include/asm/Kbuild | 20 --------------------
arch/sh/include/uapi/asm/Kbuild | 20 ++++++++++++++++++++
arch/sparc/include/asm/Kbuild | 1 -
arch/sparc/include/uapi/asm/Kbuild | 2 ++
arch/tile/include/asm/Kbuild | 19 -------------------
arch/tile/include/uapi/asm/Kbuild | 19 +++++++++++++++++++
arch/unicore32/include/asm/Kbuild | 31 +------------------------------
arch/unicore32/include/uapi/asm/Kbuild | 28 ++++++++++++++++++++++++++++
arch/xtensa/include/asm/Kbuild | 9 ---------
arch/xtensa/include/uapi/asm/Kbuild | 10 ++++++++++
scripts/Makefile.headersinst | 28 ++++------------------------
42 files changed, 362 insertions(+), 405 deletions(-)
delete mode 100644 arch/nios2/include/asm/signal.h
--
2.7.4
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