Build regressions/improvements in v5.17-rc7

[Geert Uytterhoeven]

On Mon, Mar 7, 2022 at 10:21 AM Geert Uytterhoeven <geert at linux-m68k.org> wrote:
> JFYI, when comparing v5.17-rc7[1] to v5.17-rc6[3], the summaries are:
>   - build errors: +4/-1

  + /kisskb/src/arch/powerpc/kernel/stacktrace.c: error: implicit
declaration of function 'nmi_cpu_backtrace'
[-Werror=implicit-function-declaration]: 171:2 => 171:9, 171:2
  + /kisskb/src/arch/powerpc/kernel/stacktrace.c: error: implicit
declaration of function 'nmi_trigger_cpumask_backtrace'; did you mean
'arch_trigger_cpumask_backtrace'?
[-Werror=implicit-function-declaration]:  => 226:9

powerpc-gcc11/skiroot_defconfig (this is a new config)
Seen before with powerpc-gcc5/skiroot_defconfig.

  + /kisskb/src/crypto/blake2b_generic.c: error: the frame size of
2288 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]:  =>
109:1

sparc64-gcc11/sparc-allmodconfig

  + error: arch/powerpc/kvm/book3s_64_entry.o: relocation truncated to
fit: R_PPC64_REL14 (stub) against symbol `machine_check_common'
defined in .text section in arch/powerpc/kernel/head_64.o:  =>
(.text+0x3e4)

powerpc-gcc5/powerpc-allyesconfig

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/ffb217a13a2eaf6d5bd974fc83036a53ca69f1e2/ (all 100 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3/ (99 out of 100 configs)

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

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