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c009fabc86
Every test checked for itself that objtool exists, was built with klp support, and that $CC runs. Three problems with that: it is the same work done 40 times, a missing objtool reads as a per-test skip rather than as a suite which cannot run, and a run in which everything skipped still exits 0. Do it once, before any test, in klp_preflight() in lib.sh, and export the answers where the tests can read them. If the suite cannot run the whole run fails and says why; a test which gets as far as running can assume its environment. Nothing is written down, so nothing can go stale. Sourcing lib.sh runs the checks, which means a test run by hand establishes its own answers rather than inheriting those of some earlier run with a different CC, and a test is never handed an empty value for where objtool is or which architecture it is on: either the exports are set or the run has already failed. preflight answers only whether the suite can run at all -- not what the compiler is capable of. A test needing a particular compiler feature probes for it and skips; that costs one compile and keeps the reason next to the test that has to justify it. Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Assisted-by: Claude:claude-opus-5 Link: https://patch.msgid.link/20260916184351.2720310-3-song@kernel.org |
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| lib | ||
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