linux-kernel - Re: Build regressions/improvements in v4.14-rc1

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Date:   Sun, 17 Sep 2017 18:54:38 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Build regressions/improvements in v4.14-rc1

On Sun, Sep 17, 2017 at 4:36 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> Below is the list of build error/warning regressions/improvements in
> v4.14-rc1[1] compared to v4.13[2].
>
> Summarized:
>   - build errors: +7/-0

> [1] http://kisskb.ellerman.id.au/kisskb/head/2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e/ (all 267 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/head/569dbb88e80deb68974ef6fdd6a13edb9d686261/ (all 267 configs)
>
>
> *** ERRORS ***
>
> 7 error regressions:
>   + /home/kisskb/slave/src/arch/powerpc/kvm/../../../virt/kvm/eventfd.c: error: 'KVM_MAX_IRQ_ROUTES' undeclared (first use in this function):  => 568:19

ppc64le/powernv_defconfig
ppc64le/powernv_defconfig+THIN
ppc64le/pseries_le_defconfig
ppc64le/powernv_defconfig+NO_RADIX
ppc64le/ppc64le_defconfig
ppc64le/allmodconfig+ppc64le
powerpc/powerpc-allyesconfig
powerpc/ppc64_defconfig+NO_RADIX
powerpc/pseries_defconfig+POWERNV=n
powerpc/ppc64_defconfig+UP
powerpc/powerpc-allmodconfig
powerpc/ppc64_defconfig
powerpc/pseries_defconfig

>   + /home/kisskb/slave/src/arch/sparc/include/asm/mmu_context_64.h: error: 'per_cpu_secondary_mm' undeclared (first use in this function):  => 81:10
>   + /home/kisskb/slave/src/arch/sparc/include/asm/mmu_context_64.h: error: implicit declaration of function 'per_cpu' [-Werror=implicit-function-declaration]:  => 81:2
>   + /home/kisskb/slave/src/arch/sparc/include/asm/mmu_context_64.h: error: implicit declaration of function 'smp_processor_id' [-Werror=implicit-function-declaration]:  => 79:12
>   + /home/kisskb/slave/src/arch/sparc/include/asm/mmu_context_64.h: error: unknown type name 'per_cpu_secondary_mm':  => 22:37
>   + /home/kisskb/slave/src/include/linux/atomic.h: error: implicit declaration of function 'cmpxchg64' [-Werror=implicit-function-declaration]:  => 478:29

sparc64-allmodconfig

>   + error: "__cmpxchg_u64" [drivers/net/ethernet/intel/i40e/i40e.ko] undefined!:  => N/A

  + error: "__cmpxchg_u64" [drivers/net/ethernet/intel/i40e/i40e.ko]
undefined!:  => N/A

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