linux-kernel - Re: Build regressions/improvements in v3.19-rc2

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Message-ID: <CAMuHMdXccHA6Zzv-avucH3e5CpguUT-nAAHQ=E+V-rdVLiEV7g@mail.gmail.com>
Date:	Mon, 29 Dec 2014 21:22:41 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: Build regressions/improvements in v3.19-rc2

On Mon, Dec 29, 2014 at 8:59 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> JFYI, when comparing v3.19-rc2[1]  to v3.19-rc1[3], the summaries are:
>   - build errors: +8/-5

Surprise! No new R_PPC64_REL24 relocation truncations, hence not much new
generic code was added. Bloat-o-meter on atari_defconfig agrees: +36 bytes.

  + /home/kisskb/slave/src/arch/powerpc/platforms/pseries/hotplug-memory.c:
error: 'SECTION_SIZE_BITS' undeclared (first use in this function):
=> 27:31
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error:
'PAGES_PER_SECTION' undeclared (first use in this function):  =>
1836:46, 1178:18
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error:
'PAGE_SECTION_MASK' undeclared (first use in this function):  =>
1177:20
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error: implicit
declaration of function '__nr_to_section'
[-Werror=implicit-function-declaration]:  => 1841:3
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error: implicit
declaration of function 'find_memory_block_hinted'
[-Werror=implicit-function-declaration]:  => 1848:3
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error: implicit
declaration of function 'pfn_to_section_nr'
[-Werror=implicit-function-declaration]:  => 1837:3
  + /home/kisskb/slave/src/mm/memory_hotplug.c: error: implicit
declaration of function 'present_section_nr'
[-Werror=implicit-function-declaration]:  => 1838:3

powerpc-randconfig

  + error: initramfs.c: undefined reference to `__stack_chk_guard':
=> .init.text+0x3132)

i386-randconfig

> [1] http://kisskb.ellerman.id.au/kisskb/head/8257/ (all 262 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/head/8241/ (all 262 configs)

Gr{oetje,eeting}s,

                        Geert

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