Hi Andrii, On Tue, 14 Sep 2021 16:40:37 -0700 Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > On Tue, Sep 14, 2021 at 4:38 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > Hi Andrii, > > > > On Tue, 14 Sep 2021 16:25:55 -0700 Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > > > > > On Mon, Sep 13, 2021 at 6:37 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > > > > > After merging the bpf-next tree, today's linux-next build (perf) failed > > > > like this: > > > > > > > > util/bpf-event.c: In function 'btf__load_from_kernel_by_id': > > > > util/bpf-event.c:27:8: error: 'btf__get_from_id' is deprecated: libbpf v0.6+: use btf__load_from_kernel_by_id instead [-Werror=deprecated-declarations] > > > > 27 | int err = btf__get_from_id(id, &btf); > > > > | ^~~ > > > > In file included from util/bpf-event.c:5: > > > > /home/sfr/next/next/tools/lib/bpf/btf.h:54:16: note: declared here > > > > 54 | LIBBPF_API int btf__get_from_id(__u32 id, struct btf **btf); > > > > | ^~~~~~~~~~~~~~~~ > > > > cc1: all warnings being treated as errors > > > > > > > > Caused by commit > > > > > > > > 0b46b7550560 ("libbpf: Add LIBBPF_DEPRECATED_SINCE macro for scheduling API deprecations") > > > > > > Should be fixed by [0], when applied to perf tree. Thanks for reporting! > > > > > > [0] https://patchwork.kernel.org/project/netdevbpf/patch/20210914170004.4185659-1-andrii@xxxxxxxxxx/ > > > > That really needs to be applied to the bpf-next tree (presumably with > > the appropriate Acks). > > > > This is perf code that's not in bpf-next yet. Then you need to think of a solution for the bpf-next tree, as it will not build (allmodconfig) when combined with Linus' current tree. And when it is merged into the net-next tree, that tree will be broken as well. -- Cheers, Stephen Rothwell
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