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t=1776190073; l=1498; i=ackerleytng@google.com; s=20260225; h=from:subject:message-id; bh=ALJBMYWS1x2rKXT/63YRmr7XiBihTr+8ZXwVGpCSyyI=; b=FfRgVZaFM+g1a1sLY5U/nQrRiYSCOF6Jgw9QEH9uV4HeDMf/FykQ40BD262ioNmWKZ8QPOhlc 3eqTBu+6HU+DSHB5OQwHKzlRQk88mwEmVErdbYW9Oy05e+xqIg9CXzz X-Mailer: b4 0.14.3 Message-ID: <20260414-selftest-global-metadata-v1-2-fd223922bc57@google.com> Subject: [PATCH RFC 2/4] selftests: harness: Set global current_test_metadata for each test run From: Ackerley Tng To: Kees Cook , Andy Lutomirski , Will Drewry , Shuah Khan , Paolo Bonzini , Sean Christopherson , thomas.weissschuh@linutronix.de, linux@weissschuh.net Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, kvm@vger.kernel.org, Ackerley Tng Content-Type: text/plain; charset="utf-8" Set global current_test_metadata for each test run so other test frameworks can choose to access fields for the current test. This avoids having to pass _metadata down through functions so that code defined other functions can still use fields in _metadata. Test functions t->fn() are executed in series, so during the runtime of the test function, the function can count on current_test_metadata accurately being the metadata for the running test. Signed-off-by: Ackerley Tng --- tools/testing/selftests/kselftest_harness.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index 68cde1556ac41..85d9b4527fca6 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -1151,6 +1151,8 @@ static bool test_enabled(int argc, char **argv, return !has_positive; } +struct __test_metadata *current_test_metadata; + static void __run_test(struct __fixture_metadata *f, struct __fixture_variant_metadata *variant, struct __test_metadata *t) @@ -1182,7 +1184,9 @@ static void __run_test(struct __fixture_metadata *f, t->exit_code = KSFT_FAIL; } else if (child == 0) { setpgrp(); + current_test_metadata = t; t->fn(t, variant); + current_test_metadata = NULL; _exit(t->exit_code); } else { t->pid = child; -- 2.54.0.rc0.605.g598a273b03-goog