On Wed, Jan 4, 2023 at 10:14 AM David Vernet <void@xxxxxxxxxxxxx> wrote: > > On Wed, Jan 04, 2023 at 01:17:40PM +0100, Magnus Karlsson wrote: > > From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > > > Get rid of the built-in XDP program that was part of the old libbpf > > code in xsk.c and replace it with an eBPF program build using the > > framework by all the other bpf selftests. This will form the base for > > adding more programs in later commits. > > > > Signed-off-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > --- > > tools/testing/selftests/bpf/Makefile | 2 +- > > .../selftests/bpf/progs/xsk_xdp_progs.c | 19 ++++ > > tools/testing/selftests/bpf/xsk.c | 88 ++++--------------- > > tools/testing/selftests/bpf/xsk.h | 6 +- > > tools/testing/selftests/bpf/xskxceiver.c | 72 ++++++++------- > > tools/testing/selftests/bpf/xskxceiver.h | 7 +- > > 6 files changed, 88 insertions(+), 106 deletions(-) > > create mode 100644 tools/testing/selftests/bpf/progs/xsk_xdp_progs.c > > > > diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile > > index 205e8c3c346a..a0193a8f9da6 100644 > > --- a/tools/testing/selftests/bpf/Makefile > > +++ b/tools/testing/selftests/bpf/Makefile > > @@ -240,7 +240,7 @@ $(OUTPUT)/flow_dissector_load: $(TESTING_HELPERS) > > $(OUTPUT)/test_maps: $(TESTING_HELPERS) > > $(OUTPUT)/test_verifier: $(TESTING_HELPERS) $(CAP_HELPERS) > > $(OUTPUT)/xsk.o: $(BPFOBJ) > > -$(OUTPUT)/xskxceiver: $(OUTPUT)/xsk.o > > +$(OUTPUT)/xskxceiver: $(OUTPUT)/xsk.o $(OUTPUT)/xsk_xdp_progs.skel.h > > Hi Magnus, > > This seems to break the selftests build for clang: > > $ pwd > <redacted>/bpf-next/tools/testing/selftests/bpf > > $ make LLVM=1 CC=clang > MKDIR libbpf > HOSTCC /home/void/upstream/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/fixdep.o > HOSTLD /home/void/upstream/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/fixdep-in.o > LINK /home/void/upstream/bpf-next/tools/testing/selftests/bpf/tools/build/libbpf/fixdep > > ... > > GEN-SKEL [test_progs-no_alu32] test_static_linked.skel.h > LINK-BPF [test_progs-no_alu32] test_usdt.bpf.o > GEN-SKEL [test_progs-no_alu32] linked_vars.skel.h > GEN-SKEL [test_progs-no_alu32] linked_funcs.skel.h > EXT-COPY [test_progs-no_alu32] urandom_read bpf_testmod.ko liburandom_read.so xdp_synproxy sign-file ima_setup.sh verify_sig_setup.sh btf_dump_test_case_bitfields.c btf_dump_test_case_multidim.c btf_dump_test_case_namespacing.c btf_dump_test_case_ordering.c btf_dump_test_case_packing.c btf_dump_test_case_padding.c btf_dump_test_case_syntax.c > GEN-SKEL [test_progs-no_alu32] linked_maps.skel.h > GEN-SKEL [test_progs-no_alu32] test_subskeleton.skel.h > BINARY xskxceiver > BINARY bench > GEN-SKEL [test_progs-no_alu32] test_subskeleton_lib.skel.h > GEN-SKEL [test_progs-no_alu32] test_usdt.skel.h > clang-15: error: cannot specify -o when generating multiple output files > make: *** [Makefile:171: /home/void/upstream/bpf-next/tools/testing/selftests/bpf/xskxceiver] Error 1 > make: *** Waiting for unfinished jobs.... > make[1]: Nothing to be done for 'docs'. > $ > > It's also broken on CI: https://github.com/kernel-patches/bpf/actions/runs/3837984934/jobs/6533917001 > > Could you please look into this? Ugh, that's the same issue I'm getting for my xdp_hw_metadata binary. And I'm still at loss on how to reproduce it locally. (I've tried 'apt install clang-16 in ubuntu latest docker container' and it's still fine). Any pointers on how to debug those github actions locally? > Thanks, > David
