netdev - Re: Build regressions/improvements in v5.17-rc1

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Message-ID: <alpine.DEB.2.22.394.2201240851560.2674757@ramsan.of.borg>
Date:   Mon, 24 Jan 2022 08:55:40 +0100 (CET)
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     linux-kernel@...r.kernel.org
cc:     linuxppc-dev@...ts.ozlabs.org, sparclinux@...r.kernel.org,
        linux-um@...ts.infradead.org,
        Lakshmi Sowjanya D <lakshmi.sowjanya.d@...el.com>,
        kvm@...r.kernel.org, linux-mips@...r.kernel.org,
        "Tobin C. Harding" <me@...in.cc>, alsa-devel@...a-project.org,
        amd-gfx@...ts.freedesktop.org, netdev@...r.kernel.org
Subject: Re: Build regressions/improvements in v5.17-rc1

On Sun, 23 Jan 2022, Geert Uytterhoeven wrote:
> Below is the list of build error/warning regressions/improvements in
> v5.17-rc1[1] compared to v5.16[2].
>
> Summarized:
>  - build errors: +17/-2
>  - build warnings: +23/-25
>
> Note that there may be false regressions, as some logs are incomplete.
> Still, they're build errors/warnings.
>
> Happy fixing! ;-)
>
> Thanks to the linux-next team for providing the build service.
>
> [1] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/e783362eb54cd99b2cac8b3a9aeac942e6f6ac07/ (all 99 configs)
> [2] http://kisskb.ellerman.id.au/kisskb/branch/linus/head/df0cc57e057f18e44dac8e6c18aba47ab53202f9/ (98 out of 99 configs)
>
>
> *** ERRORS ***
>
> 17 error regressions:
>  + /kisskb/src/arch/powerpc/kernel/stacktrace.c: error: implicit declaration of function 'nmi_cpu_backtrace' [-Werror=implicit-function-declaration]:  => 171:2
>  + /kisskb/src/arch/powerpc/kernel/stacktrace.c: error: implicit declaration of function 'nmi_trigger_cpumask_backtrace' [-Werror=implicit-function-declaration]:  => 226:2

powerpc-gcc5/skiroot_defconfig

>  + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1756:13, 1639:13
>  + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct mm_struct *)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1674:29, 1662:29
>  + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct mm_struct *, long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1767:21
>  + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1741:29, 1726:29
>  + /kisskb/src/arch/sparc/mm/srmmu.c: error: cast between incompatible function types from 'void (*)(struct vm_area_struct *, long unsigned int,  long unsigned int)' to 'void (*)(long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int,  long unsigned int)' [-Werror=cast-function-type]:  => 1694:29, 1711:29

sparc64-gcc11/sparc-allmodconfig

>  + /kisskb/src/arch/um/include/asm/processor-generic.h: error: called object is not a function or function pointer:  => 103:18
>  + /kisskb/src/drivers/vfio/pci/vfio_pci_rdwr.c: error: assignment makes pointer from integer without a cast [-Werror=int-conversion]:  => 324:9, 317:9
>  + /kisskb/src/drivers/vfio/pci/vfio_pci_rdwr.c: error: implicit declaration of function 'ioport_map' [-Werror=implicit-function-declaration]:  => 317:11
>  + /kisskb/src/drivers/vfio/pci/vfio_pci_rdwr.c: error: implicit declaration of function 'ioport_unmap' [-Werror=implicit-function-declaration]:  => 338:15

um-x86_64/um-allyesconfig

>  + /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: error: control reaches end of non-void function [-Werror=return-type]:  => 1560:1

um-x86_64/um-all{mod,yes}config

>  + /kisskb/src/drivers/net/ethernet/freescale/fec_mpc52xx.c: error: passing argument 2 of 'mpc52xx_fec_set_paddr' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]:  => 659:29

powerpc-gcc5/ppc32_allmodconfig

>  + /kisskb/src/drivers/pinctrl/pinctrl-thunderbay.c: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]:  => 815:8, 815:29

arm64-gcc5.4/arm64-allmodconfig
arm64-gcc8/arm64-allmodconfig

>  + /kisskb/src/lib/test_printf.c: error: "PTR" redefined [-Werror]:  => 247:0, 247
>  + /kisskb/src/sound/pci/ca0106/ca0106.h: error: "PTR" redefined [-Werror]:  => 62, 62:0

mips-gcc8/mips-allmodconfig
mipsel/mips-allmodconfig

>  + error: arch/powerpc/kvm/book3s_64_entry.o: relocation truncated to fit: R_PPC64_REL14 (stub) against symbol `machine_check_common' defined in .text section in arch/powerpc/kernel/head_64.o:  => (.text+0x3e4)

powerpc-gcc5/powerpc-allyesconfig

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