linux-kernel - Re: linux-next: build failure after merge of the bpf-next tree

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Message-ID: <dca3f426-e3de-207b-51a0-ae272d2b1462@intel.com>
Date:   Mon, 20 Mar 2023 13:07:23 +0100
From:   Alexander Lobakin <aleksander.lobakin@...el.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Andrii Nakryiko <andrii@...nel.org>
CC:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the bpf-next tree

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 20 Mar 2023 10:26:19 +1100

> Hi all,

Hi,

> 
> After merging the bpf-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> net/bpf/test_run.c: In function 'frame_was_changed':
> net/bpf/test_run.c:224:22: error: 'const struct xdp_page_head' has no member named 'frm'; did you mean 'frame'?
>   224 |         return head->frm.data != head->orig_ctx.data ||
>       |                      ^~~
>       |                      frame
> net/bpf/test_run.c:225:22: error: 'const struct xdp_page_head' has no member named 'frm'; did you mean 'frame'?
>   225 |                head->frm.flags != head->orig_ctx.flags;
>       |                      ^~~
>       |                      frame

The correct solution is to change `frm.` with `frame->`, but I hope the
BPF maintainers will merge bpf into bpf-next to pick up fixes and
changes like this :)

> 
> Caused by commit
> 
>   e5995bc7e2ba ("bpf, test_run: fix crashes due to XDP frame overwriting/corruption")
> 
> I have used the bpf-next tree from next-20230317 for today.
> 

Thanks,
Olek