Kernel test robot reports that kernel build fails with resilient split BTF changes. Examining the associated config and code we see that btf_relocate_id() is defined under CONFIG_DEBUG_INFO_BTF_MODULES. Moving it outside the #ifdef solves the issue. Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202406221742.d2srFLVI-lkp@xxxxxxxxx/ Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx> --- kernel/bpf/btf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 8e12cb80ba73..4ff11779699e 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6185,8 +6185,6 @@ struct btf *btf_parse_vmlinux(void) return btf; } -#ifdef CONFIG_DEBUG_INFO_BTF_MODULES - /* If .BTF_ids section was created with distilled base BTF, both base and * split BTF ids will need to be mapped to actual base/split ids for * BTF now that it has been relocated. @@ -6198,6 +6196,8 @@ static __u32 btf_relocate_id(const struct btf *btf, __u32 id) return btf->base_id_map[id]; } +#ifdef CONFIG_DEBUG_INFO_BTF_MODULES + static struct btf *btf_parse_module(const char *module_name, const void *data, unsigned int data_size, void *base_data, unsigned int base_data_size) -- 2.31.1
