linux-kernel - Re: Build regressions/improvements in v5.12-rc3

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Date:   Mon, 15 Mar 2021 12:02:37 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: Build regressions/improvements in v5.12-rc3

Hi Christophe,

On Mon, Mar 15, 2021 at 11:55 AM Christophe Leroy
<christophe.leroy@...roup.eu> wrote:
> Le 15/03/2021 à 11:49, Geert Uytterhoeven a écrit :
> > On Mon, Mar 15, 2021 at 11:46 AM Geert Uytterhoeven
> > <geert@...ux-m68k.org> wrote:
> >> JFYI, when comparing v5.12-rc3[1] to v5.12-rc2[3], the summaries are:
> >>    - build errors: +2/-2
> >
> >> 2 error regressions:
> >>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_248' declared with attribute error: BUILD_BUG failed:  => 320:38
> >>    + /kisskb/src/include/linux/compiler_types.h: error: call to '__compiletime_assert_249' declared with attribute error: BUILD_BUG failed:  => 320:38
> >
> > powerpc-gcc4.9/ppc64_book3e_allmodconfig
> >
> > So we traded implicit declaration errors:
> >
> >    - /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:
> > error: implicit declaration of function 'disable_kernel_vsx'
> > [-Werror=implicit-function-declaration]: 674:2 =>
> >    - /kisskb/src/drivers/gpu/drm/amd/amdgpu/../display/dc/calcs/dcn_calcs.c:
> > error: implicit declaration of function 'enable_kernel_vsx'
> > [-Werror=implicit-function-declaration]: 638:2 =>
> >
> > for compile-time assertions.
> >
>
> You are missing https://github.com/linuxppc/linux/commit/eed5fae00593ab9d261a0c1ffc1bdb786a87a55a

Which is not part of v5.12-rc3.

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