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| author | Johan Almbladh <johan.almbladh@anyfinetworks.com> | 2021-09-14 11:18:42 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-09-28 09:26:29 +0200 |
| commit | 29eef85be2f60b1027214b4bfc4b1a9d592830a7 (patch) | |
| tree | f4d3eef9f2a898a2c35739b21c3f2885055b40f5 /tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c | |
| parent | bpf/tests: Fix error in tail call limit tests (diff) | |
| download | linux-29eef85be2f60b1027214b4bfc4b1a9d592830a7.tar.gz linux-29eef85be2f60b1027214b4bfc4b1a9d592830a7.zip | |
bpf/tests: Add tail call limit test with external function call
This patch adds a tail call limit test where the program also emits
a BPF_CALL to an external function prior to the tail call. Mainly
testing that JITed programs preserve its internal register state, for
example tail call count, across such external calls.
Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210914091842.4186267-15-johan.almbladh@anyfinetworks.com
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c')
0 files changed, 0 insertions, 0 deletions