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Dmitry Goldin 86cdd2fdc4 kheaders: make headers archive reproducible 
In commit 43d8ce9d65 ("Provide in-kernel headers to make
extending kernel easier") a new mechanism was introduced, for kernels
>=5.2, which embeds the kernel headers in the kernel image or a module
and exposes them in procfs for use by userland tools.

The archive containing the header files has nondeterminism caused by
header files metadata. This patch normalizes the metadata and utilizes
KBUILD_BUILD_TIMESTAMP if provided and otherwise falls back to the
default behaviour.

In commit f7b101d330 ("kheaders: Move from proc to sysfs") it was
modified to use sysfs and the script for generation of the archive was
renamed to what is being patched.

Signed-off-by: Dmitry Goldin <dgoldin+lkml@protonmail.ch>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-10-05 15:29:49 +09:00
..
headers_install.rst Kbuild updates for v5.3 2019-07-12 16:03:16 -07:00
index.rst Documentation: kbuild: Add document about reproducible builds 2019-09-15 01:14:41 -06:00
issues.rst docs: kbuild: fix build with pdf and fix some minor issues 2019-07-15 11:03:04 -03:00
kbuild.rst kbuild: rename KBUILD_ENABLE_EXTRA_GCC_CHECKS to KBUILD_EXTRA_WARN 2019-09-06 23:46:52 +09:00
kconfig-language.rst docs: kbuild: fix build with pdf and fix some minor issues 2019-07-15 11:03:04 -03:00
kconfig-macro-language.rst docs: kbuild: convert docs to ReST and rename to *.rst 2019-06-14 14:21:21 -06:00
Kconfig.recursion-issue-01
Kconfig.recursion-issue-02
kconfig.rst docs: kbuild: fix build with pdf and fix some minor issues 2019-07-15 11:03:04 -03:00
Kconfig.select-break
makefiles.rst kbuild: remove ar-option and KBUILD_ARFLAGS 2019-10-01 09:20:33 +09:00
modules.rst kbuild: two minor updates for Documentation/kbuild/modules.rst 2019-10-05 15:29:49 +09:00
namespaces.rst docs: Add documentation for Symbol Namespaces 2019-09-10 10:30:49 +02:00
reproducible-builds.rst kheaders: make headers archive reproducible 2019-10-05 15:29:49 +09:00