netdev - Re: WARN: multiple IDs found for 'nf_conn': 92168, 117897

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Date:   Mon, 24 Oct 2022 11:21:11 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Jiri Olsa <olsajiri@...il.com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Martin KaFai Lau <martin.lau@...nel.org>,
        bpf <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: WARN: multiple IDs found for 'nf_conn': 92168, 117897 - using
 92168

On Sat, 22 Oct 2022 18:18:49 -0700 Alexei Starovoitov wrote:
> > If you mean the warning from the subject then those do seem to be gone.
> > But if I'm completely honest I don't remember how I triggered them in
> > the first place :S There weren't there on every build for me.
> >
> > The objtool warning is still here:
> >
> > $ make PAHOLE=~/pahole O=build_allmodconfig/ -j 60 >/tmp/stdout 2>/tmp/stderr; \
> >     cat /tmp/stderr
> >
> > vmlinux.o: warning: objtool: ___ksymtab+bpf_dispatcher_xdp_func+0x0: data relocation to !ENDBR: bpf_dispatcher_xdp_func+0x0
> > vmlinux.o: warning: objtool: bpf_dispatcher_xdp+0xa0: data relocation to !ENDBR: bpf_dispatcher_xdp_func+0x0  
> 
> The effect of the compiler bug was addressed by this fix:
> https://lore.kernel.org/all/20221018075934.574415-1-jolsa@kernel.org/
> 
> It's in the bpf tree, but the warning will stay.
> While the compiler is broken the objtool should keep complaining.

Thanks! I'll stop tracking it