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2020-09-30bpf, selftests: Use bpf_tail_call_static where appropriateDaniel Borkmann
For those locations where we use an immediate tail call map index use the newly added bpf_tail_call_static() helper. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/3cfb2b799a62d22c6e7ae5897c23940bdcc24cbc.1601477936.git.daniel@iogearbox.net
2020-09-17selftests/bpf: Add tailcall_bpf2bpf testsMaciej Fijalkowski
Add four tests to tailcalls selftest explicitly named "tailcall_bpf2bpf_X" as their purpose is to validate that combination of tailcalls with bpf2bpf calls are working properly. These tests also validate LD_ABS from subprograms. Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>