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0100f67c46
The ROM region configuration settings used on some nommu m68k systems (historically mostly 68328 (Dragonball) CPUs) default to an address of 0. That can easily clash with default RAM address settings which also default to 0. Of course that is invalid and those ranges overlap, but if you make no value selection that is what you end up with. Those default values produce a valid configuration but will fail compilation like this: m68k-linux-ld: section .rodata VMA [0000000000001000,0000000000262227] overlaps section .text VMA [0000000000000400,0000000000455e7f] Looking at the platforms that use the ROM region configuration settings it is clear that we can choose much better defaults than 0. By far the most common ROM region settings are these: CONFIG_ROMVEC=0x10c10000 CONFIG_ROMSTART=0x10c10400 So lets make these the default values. It is still possible to configure overlapping ROM and RAM regions, but at least the default selections are now valid. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202305301407.z33zOjcG-lkp@intel.com/ Signed-off-by: Greg Ungerer <gerg@linux-m68k.org> |
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README |
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.