Re: Build regressions/improvements in v5.3-rc5

Re: Build regressions/improvements in v5.3-rc5

[Geert Uytterhoeven]

On Mon, Aug 19, 2019 at 10:47 AM Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
> JFYI, when comparing v5.3-rc5[1] to v5.3-rc4[3], the summaries are:
>   - build errors: +7/-0

  + /kisskb/src/include/asm-generic/5level-fixup.h: error: unknown
type name 'pgd_t'; did you mean 'pid_t'?:  => 14:18
  + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
declaration of function 'p4d_bad'; did you mean 'pgd_bad'?
[-Werror=implicit-function-declaration]:  => 580:15
  + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
declaration of function 'p4d_bad'; did you mean 'pud_bad'?
[-Werror=implicit-function-declaration]:  => 580:15
  + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
declaration of function 'p4d_none'; did you mean 'pgd_none'?
[-Werror=implicit-function-declaration]:  => 578:6
  + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
declaration of function 'p4d_none'; did you mean 'pud_none'?
[-Werror=implicit-function-declaration]:  => 578:6

parisc-defconfig
parisc-allmodconfig
parisc-allnoconfig
a500_defconfig

  + error: "can_do_mlock" [drivers/infiniband/sw/siw/siw.ko] undefined!:  => N/A

sh-allmodconfig
sh-allyesconfig

Note that these are NOMMU!

  + error: rk3399_gru_sound.c: relocation truncated to fit:
R_NDS32_WORD_9_PCREL_RELA against `.text':  => (.text+0x624)

nds32-allyesconfig

> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/d1abaeb3be7b5fa6d7a1fbbd2e14e3310005c4c1/ (all 242 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/d45331b00ddb179e291766617259261c112db872/ (all 242 configs)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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

Re: Build regressions/improvements in v5.3-rc5

[Aaro Koskinen]

Hi,

On Mon, Aug 19, 2019 at 11:07:49AM +0200, Geert Uytterhoeven wrote:
> On Mon, Aug 19, 2019 at 10:47 AM Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
> > JFYI, when comparing v5.3-rc5[1] to v5.3-rc4[3], the summaries are:
> >   - build errors: +7/-0
> 
>   + /kisskb/src/include/asm-generic/5level-fixup.h: error: unknown
> type name 'pgd_t'; did you mean 'pid_t'?:  => 14:18
>   + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
> declaration of function 'p4d_bad'; did you mean 'pgd_bad'?
> [-Werror=implicit-function-declaration]:  => 580:15
>   + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
> declaration of function 'p4d_bad'; did you mean 'pud_bad'?
> [-Werror=implicit-function-declaration]:  => 580:15
>   + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
> declaration of function 'p4d_none'; did you mean 'pgd_none'?
> [-Werror=implicit-function-declaration]:  => 578:6
>   + /kisskb/src/include/asm-generic/pgtable.h: error: implicit
> declaration of function 'p4d_none'; did you mean 'pud_none'?
> [-Werror=implicit-function-declaration]:  => 578:6
> 
> parisc-defconfig

This commit broke PA-RISC build:

0cfaee2af3a04c0be5f056cebe5f804dedc59a43 is the first bad commit
commit 0cfaee2af3a04c0be5f056cebe5f804dedc59a43
Author: Qian Cai <cai@lca.pw>
Date:   Tue Aug 13 15:37:47 2019 -0700  

    include/asm-generic/5level-fixup.h: fix variable 'p4d' set but not used

A.