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Subject[GIT PULL 3/3] Kbuild updates for thin archives for v4.13
Hi Linus,

Here are updates to switch over to thin archives.
Please see the tag description for details.
Please pull!

The following changes since commit 3c2993b8c6143d8a5793746a54eba8f86f95240f:

Linux 4.12-rc4 (2017-06-04 16:47:43 -0700)

are available in the git repository at:


for you to fetch changes up to 42317ea79d9af0a83b6cfdfe43c27a91d468bfb1:

tile: remove unneeded extra-y in Makefile (2017-06-30 09:03:05 +0900)

Kbuild thin archives updates for v4.13

Thin archives migration by Nicholas Piggin.

THIN_ARCHIVES has been available for a while as an optional feature
only for PowerPC architecture, but we do not need two different
intermediate-artifact schemes.

Using thin archives instead of conventional incremental linking has
various advantages:
- save disk space for builds
- speed-up building a little
- fix some link issues (for example, allyesconfig on ARM) due to
more flexibility for the final linking
- work better with dead code elimination we are planning

As discussed before, this migration has been done unconditionally
so that any problems caused by this will show up with "git bisect".

With testing with 0-day and linux-next, some architectures actually
showed up problems, but they were trivial and all fixed now.

David S. Miller (1):
sparc64: Use indirect calls in hamming weight stubs

Masahiro Yamada (3):
tile: fix dependency and .*.cmd inclusion for incremental build
ia64: remove unneeded extra-y in Makefile.gate
tile: remove unneeded extra-y in Makefile

Nicholas Piggin (8):
kbuild: thin archives final link close --whole-archives option
kbuild: thin archives use P option to ar
kbuild: handle libs-y archives separately from built-in.o archives
sh: thin archives fix linking
ia64: thin archives fix linking
tile: thin archives fix linking
x86/um: thin archives build fix
kbuild: thin archives make default for all archs

Documentation/kbuild/kbuild.txt | 8 ++++--
Documentation/process/changes.rst | 9 +++----
Makefile | 8 +++---
arch/Kconfig | 2 +-
arch/ia64/kernel/Makefile.gate | 15 +++++------
arch/powerpc/Kconfig | 8 ------
arch/sh/kernel/vsyscall/Makefile | 16 ++++++------
arch/sparc/lib/hweight.S | 16 ++++++------
arch/tile/kernel/vdso/Makefile | 26 +++++++++----------
arch/x86/um/vdso/Makefile | 2 +-
scripts/ | 8 +++---
scripts/ | 47 +++++++++++++++++++++++++++--------
12 files changed, 93 insertions(+), 72 deletions(-)

Best Regards
Masahiro Yamada

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