linux-kernel - Re: Build regressions/improvements in v3.15-rc4

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Date:	Tue, 6 May 2014 14:15:54 +0200
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 v3.15-rc4

On Tue, May 6, 2014 at 2:04 PM, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> JFYI, when comparing v3.15-rc4[1]  to v3.15-rc3[3], the summaries are:
>   - build errors: +7/-1

  + /scratch/kisskb/src/arch/powerpc/include/asm/fixmap.h: error:
overflow in enumeration values  CC      drivers/hwmon/smsc47m192.o:
=> 51:2
  + /scratch/kisskb/src/arch/powerpc/include/asm/fixmap.h: error:
overflow in enumeration values  CC [M]  drivers/usb/gadget/f_rndis.o:
=> 51:2
  + /scratch/kisskb/src/arch/powerpc/include/asm/fixmap.h: error:
overflow in enumeration values:  => 51:2

powerpc-randconfig (looks scary, is CONFIG_HIGHMEM=y broken on ppc?)

  + /scratch/kisskb/src/arch/powerpc/kernel/head_44x.S: Error: invalid
operands (*ABS* and *UND* sections) for `|':  => 686, 603
  + /scratch/kisskb/src/arch/powerpc/mm/tlb_nohash_low.S: Error:
unsupported relocation against PPC47x_TLBE_SIZE:  => 113

powerpc-randconfig

  + /scratch/kisskb/src/arch/powerpc/platforms/powernv/setup.c: error:
implicit declaration of function 'get_hard_smp_processor_id'
[-Werror=implicit-function-declaration]:  => 179:4

ppc64_defconfig+UP

Lemme guess: If CONFIG_SMP=n, <linux/smp.h> does not include <asm/smp.h>,
so it needs an explicit #include <asm/smp.h>?

  + error: initramfs.c: undefined reference to `__stack_chk_guard':
=> .init.text+0x19dc)

x86_64-randconfig

> [1] http://kisskb.ellerman.id.au/kisskb/head/7449/ (all 119 configs)
> [3] http://kisskb.ellerman.id.au/kisskb/head/7427/ (all 119 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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