On Sat, Sep 24, 2022 at 11:20 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > - Link vmlinux and modules in parallel I was curious if this resulted in an observable improvement. N=1 Mainline: $ /usr/bin/time -v make ARCH=arm64 LLVM=1 -j128 -s Elapsed (wall clock) time (h:mm:ss or m:ss): 2:15.68 With this series: $ /usr/bin/time -v make ARCH=arm64 LLVM=1 -j128 -s Elapsed (wall clock) time (h:mm:ss or m:ss): 2:12.22 I'll take it! Tested-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > - Remove head-y syntax > > > Masahiro Yamada (7): > kbuild: hard-code KBUILD_ALLDIRS in scripts/Makefile.package > kbuild: list sub-directories in ./Kbuild > kbuild: move .vmlinux.objs rule to Makefile.modpost > kbuild: move vmlinux.o rule to the top Makefile > kbuild: unify two modpost invocations > kbuild: use obj-y instead extra-y for objects placed at the head > kbuild: remove head-y syntax > > Documentation/kbuild/makefiles.rst | 27 +---- > Kbuild | 24 ++++ > Makefile | 119 +++++++++++--------- > arch/alpha/Makefile | 2 - > arch/alpha/kernel/Makefile | 4 +- > arch/arc/Makefile | 2 - > arch/arc/kernel/Makefile | 4 +- > arch/arm/Makefile | 3 - > arch/arm/kernel/Makefile | 4 +- > arch/arm64/Makefile | 3 - > arch/arm64/kernel/Makefile | 4 +- > arch/csky/Makefile | 2 - > arch/csky/kernel/Makefile | 4 +- > arch/hexagon/Makefile | 2 - > arch/hexagon/kernel/Makefile | 3 +- > arch/ia64/Makefile | 1 - > arch/ia64/kernel/Makefile | 4 +- > arch/loongarch/Makefile | 2 - > arch/loongarch/kernel/Makefile | 4 +- > arch/m68k/68000/Makefile | 2 +- > arch/m68k/Makefile | 9 -- > arch/m68k/coldfire/Makefile | 2 +- > arch/m68k/kernel/Makefile | 23 ++-- > arch/microblaze/Makefile | 1 - > arch/microblaze/kernel/Makefile | 4 +- > arch/mips/Makefile | 2 - > arch/mips/kernel/Makefile | 4 +- > arch/nios2/Makefile | 1 - > arch/nios2/kernel/Makefile | 2 +- > arch/openrisc/Makefile | 2 - > arch/openrisc/kernel/Makefile | 4 +- > arch/parisc/Makefile | 2 - > arch/parisc/kernel/Makefile | 4 +- > arch/powerpc/Makefile | 12 -- > arch/powerpc/kernel/Makefile | 20 ++-- > arch/riscv/Makefile | 2 - > arch/riscv/kernel/Makefile | 2 +- > arch/s390/Makefile | 2 - > arch/s390/kernel/Makefile | 4 +- > arch/sh/Makefile | 2 - > arch/sh/kernel/Makefile | 4 +- > arch/sparc/Makefile | 2 - > arch/sparc/kernel/Makefile | 3 +- > arch/x86/Makefile | 5 - > arch/x86/kernel/Makefile | 10 +- > arch/xtensa/Makefile | 2 - > arch/xtensa/kernel/Makefile | 4 +- > scripts/Makefile.lib | 2 + > scripts/Makefile.modfinal | 2 +- > scripts/Makefile.modpost | 112 ++++++++---------- > scripts/Makefile.package | 5 +- > scripts/Makefile.vmlinux_o | 6 +- > scripts/clang-tools/gen_compile_commands.py | 19 +--- > scripts/head-object-list.txt | 53 +++++++++ > scripts/link-vmlinux.sh | 34 +----- > 55 files changed, 273 insertions(+), 314 deletions(-) > create mode 100644 scripts/head-object-list.txt > > -- > 2.34.1 > -- Thanks, ~Nick Desaulniers
