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Subject[GIT PULL] Kbuild updates for v5.7-rc1
Hi Linus,

Please pull Kbuild updates for v5.7-rc1.

(This the first batch.
I will send one more pull request next week, as you know,
we have CONFIG_AS_* cleanups queued up in linux-next.)

You will see a trivial merge conflict in
Documentation/kbuild/index.rst,
which is resolved in linux-next.



The following changes since commit 98d54f81e36ba3bf92172791eba5ca5bd813989b:

Linux 5.6-rc4 (2020-03-01 16:38:46 -0600)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
tags/kbuild-v5.7

for you to fetch changes up to e51d8dacf2724ebb8eda8ec69dd81da4f70a4213:

Makefile: Update kselftest help information (2020-04-01 01:05:04 +0900)

----------------------------------------------------------------
Kbuild updates for v5.7

[Build system]

- add CONFIG_UNUSED_KSYMS_WHITELIST, which will be useful to define
a fixed set of export symbols for Generic Kernel Image (GKI)

- allow to run 'make dt_binding_check' without .config

- use full schema for checking DT examples in *.yaml files

- make modpost fail for missing MODULE_IMPORT_NS(), which makes more
sense because we know the produced modules are never loadable

- Remove unused 'AS' variable

[Kconfig]

- sanitize DEFCONFIG_LIST, and remove ARCH_DEFCONFIG from Kconfig files

- relax the 'imply' behavior so that symbols implied by y can become m

- make 'imply' obey 'depends on' in order to make 'imply' really weak

[Misc]

- add documentation on building the kernel with Clang/LLVM

- revive __HAVE_ARCH_STRLEN for 32bit sparc to use optimized strlen()

- fix warning from deb-pkg builds when CONFIG_DEBUG_INFO=n

- various script and Makefile cleanups

----------------------------------------------------------------
David Engraf (1):
kbuild: add outputmakefile to no-dot-config-targets

Jessica Yu (2):
modpost: rework and consolidate logging interface
modpost: return error if module is missing ns imports and
MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS=n

Masahiro Yamada (22):
kbuild: remove the owner check in mkcompile_h
kbuild: remove cc-option switch from -Wframe-larger-than=
fixdep: remove unneeded code and comments about *.ver files
fixdep: remove redundant null character check
kbuild: remove trailing slash from devicetree/binding/ for descending
kbuild: use KBUILD_DEFCONFIG as the fallback for DEFCONFIG_LIST
kbuild: avoid concurrency issue in parallel building dtbs and dtbs_check
kbuild: allow to run dt_binding_check and dtbs_check in a single command
kbuild: allow to run dt_binding_check without kernel configuration
net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report()
kconfig: allow symbols implied by y to become m
kconfig: make 'imply' obey the direct dependency
kbuild: compute the dtbs_install destination more simply
kbuild: refactor Makefile.dtbinst more
sparc: revive __HAVE_ARCH_STRLEN for 32bit sparc
kconfig: remove unused variable in qconf.cc
kbuild: add -Wall to KBUILD_HOSTCXXFLAGS
kbuild: add comment about grouped target
net: wan: wanxl: use allow to pass CROSS_COMPILE_M68k for
rebuilding firmware
net: wan: wanxl: use $(M68KCC) instead of $(M68KAS) for
rebuilding firmware
net: wan: wanxl: refactor the firmware rebuild rule
kbuild: remove AS variable

Nick Desaulniers (1):
Documentation/llvm: add documentation on building w/ Clang/LLVM

Quentin Perret (3):
kbuild: allow symbol whitelisting with TRIM_UNUSED_KSYMS
kbuild: split adjust_autoksyms.sh in two parts
kbuild: generate autoksyms.h early

Reinhard Karcher (1):
kbuild: deb-pkg: fix warning when CONFIG_DEBUG_INFO is unset

Rob Herring (2):
kbuild: Always validate DT binding examples
kbuild: Build DT binding examples with dtc warnings enabled

Sergei Trofimovich (1):
Makefile: disallow data races on gcc-10 as well

Shuah Khan (1):
Makefile: Update kselftest help information

Documentation/Makefile | 3 +-
Documentation/devicetree/bindings/.gitignore | 2 +-
Documentation/devicetree/bindings/Makefile | 32 +++++++++------
Documentation/devicetree/writing-schema.rst | 4 ++
Documentation/kbuild/index.rst | 1 +
Documentation/kbuild/kconfig-language.rst | 27 +++++++++++--
Documentation/kbuild/llvm.rst | 80
+++++++++++++++++++++++++++++++++++++
MAINTAINERS | 1 +
Makefile | 55 +++++++++++++++++---------
arch/sh/Kconfig | 5 ---
arch/sparc/Kconfig | 5 ---
arch/sparc/include/asm/string.h | 4 ++
arch/sparc/include/asm/string_64.h | 4 --
arch/x86/Kconfig | 5 ---
arch/x86/um/Kconfig | 5 ---
drivers/net/wan/Kconfig | 2 +-
drivers/net/wan/Makefile | 35 +++++++++++------
include/net/drop_monitor.h | 2 +-
init/Kconfig | 16 +++++++-
lib/Kconfig.debug | 3 +-
scripts/Makefile.dtbinst | 26 ++++++------
scripts/Makefile.lib | 3 +-
scripts/Makefile.modpost | 15 +++----
scripts/adjust_autoksyms.sh | 24 ++---------
scripts/basic/fixdep.c | 10 +----
scripts/dtc/Makefile | 5 ++-
scripts/gcc-plugins/Makefile | 2 +-
scripts/gen_autoksyms.sh | 52 ++++++++++++++++++++++++
scripts/kconfig/Makefile | 4 --
scripts/kconfig/qconf.cc | 2 -
scripts/kconfig/symbol.c | 9 ++---
scripts/mkcompile_h | 11 ------
scripts/mod/modpost.c | 83
+++++++++++++++++++--------------------
scripts/mod/modpost.h | 14 +++++--
scripts/package/mkdebian | 5 +++
35 files changed, 356 insertions(+), 200 deletions(-)
create mode 100644 Documentation/kbuild/llvm.rst
create mode 100755 scripts/gen_autoksyms.sh


--
Best Regards
Masahiro Yamada

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