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7f8256ae0e
gen_initramfs.sh has an internal dependency on KBUILD_BUILD_TIMESTAMP for generating file mtimes that is not exposed to make, so changing KBUILD_BUILD_TIMESTAMP will not trigger a rebuild of the archive. Declare the mtime date as a new parameter to gen_initramfs.sh to encode KBUILD_BUILD_TIMESTAMP in the shell command, thereby making make aware of the dependency. It will rebuild if KBUILD_BUILD_TIMESTAMP changes or is newly set/unset. It will _not_ rebuild if KBUILD_BUILD_TIMESTAMP is unset before and after. This should be fine for anyone who doesn't care about setting specific build times in the first place. Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com> Tested-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Benjamin Gray <bgray@linux.ibm.com> Reviewed-by: Nicolas Schier <n.schier@avm.de> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.