This series contains small fixes that make samples work on s390: Patch 1: Fix building M=samples/bpf with O=. Patch 2: Use more portable __sys_connect instead of SYSCALL(sys_connect). Patch 3: Use bpf_probe_read_kernel instead of bpf_probe_read in libbpf. Ilya Leoshkevich (3): samples/bpf: Fix building out of srctree samples/bpf: Fix test_map_in_map on s390 libbpf: Use bpf_probe_read_kernel samples/bpf/Makefile | 1 + samples/bpf/test_map_in_map_kern.c | 7 ++-- tools/lib/bpf/bpf_core_read.h | 51 ++++++++++++++++-------------- tools/lib/bpf/bpf_tracing.h | 15 ++++++--- 4 files changed, 41 insertions(+), 33 deletions(-) -- 2.25.4