Subject: Re: include/net/gro.h:413:22: error: implicit declaration of function
 'csum_ipv6_magic
To:     Naresh Kamboju <naresh.kamboju@linaro.org>,
        Netdev <netdev@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>
Cc:     Stephen Rothwell <sfr@canb.auug.org.au>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, lkft-triage@lists.linaro.org
References: <CA+G9fYsFwhPGCmsYoBkx+LTRWqaKrzQTLedZugnK2qieyTFoxQ@mail.gmail.com>
From:   Denis Kirjanov <dkirjanov@suse.de>
Message-ID: <5538d955-1679-6a24-d101-11e2eb39f71b@suse.de>
Date:   Wed, 17 Nov 2021 16:54:45 +0300
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11/17/21 3:47 PM, Naresh Kamboju пишет:
> Regression found on riscv and arc gcc-11 build.
> Following build warnings / errors reported on linux next 20211117.
> 
> metadata:
>      git_describe: next-20211117
>      git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
>      git_short_log: fd96a4057bd0 (\"Add linux-next specific files for 20211117\")
>      target_arch: riscv
>      toolchain: gcc-11
> 
> build error :
> --------------
> In file included from net/core/dev.c:105:
> include/net/gro.h: In function 'ip6_gro_compute_pseudo':
> include/net/gro.h:413:22: error: implicit declaration of function
> 'csum_ipv6_magic'; did you mean 'csum_tcpudp_magic'?
> [-Werror=implicit-function-declaration]
>    return ~csum_unfold(csum_ipv6_magic(&iph->saddr, &iph->daddr,
>                        ^~~~~~~~~~~~~~~
>                        csum_tcpudp_magic
> cc1: some warnings being treated as errors

See 
https://patchwork.kernel.org/project/netdevbpf/patch/20211117100130.2368319-1-eric.dumazet@gmail.com/

> 
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> 
> link:
> https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/jobs/1790398957#L73
> 
> build link:
> -----------
> https://builds.tuxbuild.com/211schgBXkq5zjdda7io29wMONF/build.log
> 
> build config:
> -------------
> https://builds.tuxbuild.com/211schgBXkq5zjdda7io29wMONF/config
> 
> # To install tuxmake on your system globally
> # sudo pip3 install -U tuxmake
> tuxmake --runtime podman --target-arch riscv --toolchain gcc-11
> --kconfig defconfig
>