| Age | Commit message (Collapse) | Author | |
|---|---|---|---|
| 2024-08-23 | selftests/bpf: match both retq/rethunk in verifier_tailcall_jit | Eduard Zingerman | |
| Depending on kernel parameters, x86 jit generates either retq or jump to rethunk for 'exit' instruction. The difference could be seen when kernel is booted with and without mitigations=off parameter. Relax the verifier_tailcall_jit test case to match both variants. Fixes: e5bdd6a8be78 ("selftests/bpf: validate jit behaviour for tail calls") Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20240823080644.263943-3-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> | |||
| 2024-08-21 | selftests/bpf: validate jit behaviour for tail calls | Eduard Zingerman | |
| A program calling sub-program which does a tail call. The idea is to verify instructions generated by jit for tail calls: - in program and sub-program prologues; - for subprogram call instruction; - for tail call itself. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20240820102357.3372779-9-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> | |||
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