Hi Masahiro, On Thu, May 12, 2022 at 01:45:02AM +0900, Masahiro Yamada wrote: > > This is the third batch of cleanups in this development cycle. > > Major changes in v5: > - Fix build errors > - More cleanups > > Major changes in v4: > - Move static EXPORT_SYMBOL check to a script > - Some refactoring > > Major changes in v3: > > - Generate symbol CRCs as C code, and remove CONFIG_MODULE_REL_CRCS. > > Major changes in v2: > > - V1 did not work with CONFIG_MODULE_REL_CRCS. > I fixed this for v2. > > - Reflect some review comments in v1 > > - Refactor the code more > > - Avoid too long argument error > > > > Masahiro Yamada (12): > modpost: split the section mismatch checks into section-check.c > modpost: add sym_find_with_module() helper > modpost: extract symbol versions from *.cmd files > kbuild: link symbol CRCs at final link, removing > CONFIG_MODULE_REL_CRCS > kbuild: stop merging *.symversions > genksyms: adjust the output format to modpost > kbuild: do not create *.prelink.o for Clang LTO or IBT > kbuild: check static EXPORT_SYMBOL* by script instead of modpost > kbuild: make built-in.a rule robust against too long argument error > kbuild: make *.mod rule robust against too long argument error > kbuild: add cmd_and_savecmd macro > kbuild: rebuild multi-object modules when objtool is updated I applied this series to your latest kbuild branch, built an Arch Linux x86_64 config and Fedora aarch64 config with CONFIG_LTO_CLANG_FULL=y then CONFIG_LTO_CLANG_THIN=y, and boot tested each kernel in QEMU with a full userspace. I did not notice any new warnings/errors and everything appears to work fine. Tested-by: Nathan Chancellor <nathan@xxxxxxxxxx> Cheers, Nathan
