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TEXT_MAIN, DATA_MAIN and friends are defined differently depending on whether certain config options enable -ffunction-sections and/or -fdata-sections. There's no technical reason for that beyond voodoo coding. Keeping the separate implementations adds unnecessary complexity, fragments the logic, and increases the risk of subtle bugs. Unify the macros by using the same input section patterns across all configs. This is a prerequisite for the upcoming livepatch klp-build tooling which will manually enable -ffunction-sections and -fdata-sections via KCFLAGS. Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Acked-by: Petr Mladek <pmladek@suse.com> Tested-by: Joe Lawrence <joe.lawrence@redhat.com> Signed-off-by: Josh Poimboeuf <jpoimboe@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 reStructuredText 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.