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

From: Geert Uytterhoeven
Date: Sun Sep 17 2017 - 12:54:43 EST


On Sun, Sep 17, 2017 at 4:36 PM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxx

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