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When configuring a nommu classic m68k system enabling the uboot parameter passing support (CONFIG_UBOOT) will produce the following compile error: m68k-linux-ld: arch/m68k/kernel/uboot.o: in function `process_uboot_commandline': uboot.c:(.init.text+0x32): undefined reference to `_init_sp' The logic to support this option is only used on ColdFire based platforms (in its head.S startup code). So make the selection of this option depend on building for a ColdFire based platform. Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Greg Ungerer <gerg@linux-m68k.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.