On Mon, May 03, 2021 at 09:16:42PM +0200, Arnd Bergmann wrote: > On Mon, May 3, 2021 at 7:00 PM 'Nick Desaulniers' via Clang Built > Linux <clang-built-linux@xxxxxxxxxxxxxxxx> wrote: > > > > >> ERROR: "__memcat_p" [drivers/hwtracing/stm/stm_core.ko] undefined! > > > > > > I'm fairly sure this is unrelated to my patch, but I don't see what > > > happened here. > > > > It's unrelated to your patch. It was fixed in 5.7 by > > 7273ad2b08f8ac9563579d16a3cf528857b26f49 and a few other dependencies > > according to https://github.com/ClangBuiltLinux/linux/issues/515. > > > > Ah right, the big hammer. > > Greg, not sure what we want to do here. Backporting > > 7273ad2b08f8 ("kbuild: link lib-y objects to vmlinux forcibly when > CONFIG_MODULES=y") > > to v5.4 and earlier would be an easy workaround, but it has the potential > of adding extra bloat to the kernel image since it links in all other > library objects as well. I've lost the thread here, but what _real_ problem is happening here that doing the above is required? thanks, greg k-h