On Tue, Jan 8, 2019 at 9:49 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > Below is the list of build error/warning regressions/improvements in > v5.0-rc1[1] compared to v4.20[2]. > > Summarized: > - build errors: +12/-4 > - build warnings: +405/-350 > > Happy fixing! ;-) > > Thanks to the linux-next team for providing the build service. > > [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/bfeffd155283772bbe78c6a05dec7c0128ee500c/ (all 240 configs) > [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/8fe28cb58bcb235034b64cbbb7550a8a43fd88be/ (all 240 configs) > > > *** ERRORS *** > > 12 error regressions: > + /kisskb/src/arch/mips/generic/init.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/generic/irq.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/kernel/branch.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/kernel/cmpxchg.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/kernel/cpu-probe.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/mm/cache.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/mm/extable.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/mm/fault.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + /kisskb/src/arch/mips/net/bpf_jit.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 > + arch/mips/vdso/vdso-image.c: error: -ffunction-sections disabled; it makes profiling impossible [-Werror]: => 1:0 mips-allmodconfig These are even more annoying than on powerpc, as mips enables -Werror for arch/mips/ :-( Can this be avoided, e.g. by making LD_DEAD_CODE_DATA_ELIMINATION and profiling mutually exclusive? > + error: arch/sparc/kernel/head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.init.text': => (.head.text+0x5100), (.head.text+0x5040) > + error: arch/sparc/kernel/head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section in arch/sparc/kernel/trampoline_32.o: => (.init.text+0xa4) Same as before, just a different signature. > 4 error improvements: > - /kisskb/src/arch/s390/kernel/nospec-branch.c: error: macro "memcpy" passed 6 arguments, but takes just 3: 130:61 => > - /kisskb/src/sound/pci/hda/patch_ca0132.c: error: implicit declaration of function 'pci_iomap' [-Werror=implicit-function-declaration]: 8800:3 => > - error: arch/sparc/kernel/.tmp_head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against `.init.text': (.head.text+0x5040), (.head.text+0x5100) => > - error: arch/sparc/kernel/.tmp_head_32.o: relocation truncated to fit: R_SPARC_WDISP22 against symbol `leon_smp_cpu_startup' defined in .text section in arch/sparc/kernel/trampoline_32.o: (.init.text+0xa4) => > > > *** WARNINGS *** > > [Deleted 490 lines about "warning: -ffunction-sections disabled; it makes profiling impossible [enabled by default]" on {mips,powerpc}-all{mod,yes}config*] Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
