On Sat, 2020-01-18 at 17:03:35 UTC, Alexandre Ghiti wrote: > Commit 8580ac9404f6 ("bpf: Process in-kernel BTF") introduced two weak > symbols that may be unresolved at link time which result in an absolute > relocation to 0. relocs_check.sh emits the following warning: > > "WARNING: 2 bad relocations > c000000001a41478 R_PPC64_ADDR64 _binary__btf_vmlinux_bin_start > c000000001a41480 R_PPC64_ADDR64 _binary__btf_vmlinux_bin_end" > > whereas those relocations are legitimate even for a relocatable kernel > compiled with -pie option. > > relocs_check.sh already excluded some weak unresolved symbols explicitly: > remove those hardcoded symbols and add some logic that parses the symbols > using nm, retrieves all the weak unresolved symbols and excludes those from > the list of the potential bad relocations. > > Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Signed-off-by: Alexandre Ghiti <alex@xxxxxxxx> Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/43e76cd368fbb67e767da5363ffeaa3989993c8c cheers