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SubjectRe: linux-next: build failure after merge of the bfp-next tree
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On 27/04/2026 14:26, Thierry Reding wrote:
> Hi all,
>
> After merging the bfp-next tree, today's linux-next build (x86_64
> allmodconfig ) failed like this:
>
> ERROR: modpost: "cnum64_umin" [drivers/net/ethernet/netronome/nfp/nfp.ko] undefined!
> ERROR: modpost: "cnum64_umax" [drivers/net/ethernet/netronome/nfp/nfp.ko] undefined!
>
> Caused by commit
>
> b93f7180f0bc ("bpf: use accessor functions for bpf_reg_state min/max fields")
>
> It looks like the issue here is that these new accessor functions are not
> exported symbols and therefore can't be used by a driver that is built as
> a module.
>

See [1] for a proposed fix; thanks for reporting this!

[1] https://lore.kernel.org/bpf/20260427112205.1346733-1-alan.maguire@oracle.com/

> I've used the previous tree for today's linux-next.
>
> Thanks,
> Thierry
>


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