On Wed, Dec 09, 2020 at 10:16:20PM -0800, Randy Dunlap wrote: > include/asm-generic/local64.h has comments about some $arch could do > its things better/faster instead of using asm-generic, but no $arch has > done that since 2010 when it was added. > > Is that conclusive? > If it is, why even use mandatory-y? > Why not just change all occurrences of <asm/local64.h> > to <asm-generic/local64.h> ? asm-generic must not be included by non-arch code directly. So the sensible options are either: a) mark it as mandatory-y in include/asm-generic/Kbuild b) rename it to linux/local64.h and fixup all references a) seems much less invasive, but b) might be the better option long term.