On Tue, 30 Jan 2007, Atsushi Nemoto wrote: > > Well, the option used to select between 64-bit and 32-bit ELF for > > building 64-bit configurations. I can see it has been changed from its > > original meaning and it now only controls whether "-mno-explicit-relocs" > > is passed to the compiler or not, which is sort of useless and certainly > > does not match the intent nor what the description says. The 64-bit > > format is now used unconditionally and you can always pass such obscure > > options to the compiler on the make's command line, so instead of this fix > > I vote for complete removal of the BUILD_ELF64 option. > > Though I do not know much about -mno-explicit-relocs, > CONFIG_BUILD_ELF64 controls -msym32 option and this is the reason of > the tweak in __pa_page_offset(). I missed this bit, sorry. Then the original note applies -- the setting of BUILD_ELF64 is whatever suits one building the kernel the best. And certainly for binaries built to run from CKSEG0 either value of BUILD_ELF64 is reasonable. Maciej
