On November 27, 2019 10:20:17 PM GMT-03:00, Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: >On Wed, Nov 27, 2019 at 5:17 PM Arnaldo Carvalho de Melo ><arnaldo.melo@xxxxxxxxx> wrote: >> >> On November 27, 2019 9:59:15 PM GMT-03:00, Alexei Starovoitov ><alexei.starovoitov@xxxxxxxxx> wrote: >> >On Wed, Nov 27, 2019 at 4:50 PM Arnaldo Carvalho de Melo >> ><arnaldo.melo@xxxxxxxxx> wrote: >> >> >> >> Take it as one, I think it's what should have been in the cset it >is >> >fixing, that way no breakage would have happened. >> > >> >Ok. I trimmed commit log and applied here: >> >>https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=1fd450f99272791df8ea8e1b0f5657678e118e90 >> > >> >What about your other fix and my suggestion there? >> >(__u64) cast instead of PRI ? >> >We do this already in two places: >> >libbpf.c: shdr_idx, (__u64)sym->st_value); >> >libbpf.c: (__u64)sym.st_value, >GELF_ST_TYPE(sym.st_info), >> >> >> I'm using the smartphone now, but I thought you first suggested using >a cast to long, if you mean using %llu + cast to __u64, then should be >was ugly as using PRI, IOW, should work on both 64 bit and 32 bit. :-) > >Yes. I suggested (long) first, but then found two cases in libbpf that >solve this with (__u64), >so better to stick to that for consistency. If it's already being used elsewhere in lubbpf, it was tested already with the build containers and since nobody complained, go with it :-) - Arnaldo
