diff options
| author | Marco Elver <elver@google.com> | 2020-05-05 20:28:21 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-06-29 12:04:48 -0700 |
| commit | 1fe84fd4a4027a17d511a832f89ab14107650ba4 (patch) | |
| tree | 14decdabdefe090b83f9ea76e9bfddaac75030a8 /lib | |
| parent | c93773c1a3fedf6c3f6fa12833e2b74a9897c3e3 (diff) | |
| download | linux-1fe84fd4a4027a17d511a832f89ab14107650ba4.tar.bz2 | |
kcsan: Add test suite
This adds KCSAN test focusing on behaviour of the integrated runtime.
Tests various race scenarios, and verifies the reports generated to
console. Makes use of KUnit for test organization, and the Torture
framework for test thread control.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.kcsan | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 5ee88e5119c2..3f3b5bca7a8f 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -59,7 +59,28 @@ config KCSAN_SELFTEST bool "Perform short selftests on boot" default y help - Run KCSAN selftests on boot. On test failure, causes the kernel to panic. + Run KCSAN selftests on boot. On test failure, causes the kernel to + panic. Recommended to be enabled, ensuring critical functionality + works as intended. + +config KCSAN_TEST + tristate "KCSAN test for integrated runtime behaviour" + depends on TRACEPOINTS && KUNIT + select TORTURE_TEST + help + KCSAN test focusing on behaviour of the integrated runtime. Tests + various race scenarios, and verifies the reports generated to + console. Makes use of KUnit for test organization, and the Torture + framework for test thread control. + + Each test case may run at least up to KCSAN_REPORT_ONCE_IN_MS + milliseconds. Test run duration may be optimized by building the + kernel and KCSAN test with KCSAN_REPORT_ONCE_IN_MS set to a lower + than default value. + + Say Y here if you want the test to be built into the kernel and run + during boot; say M if you want the test to build as a module; say N + if you are unsure. config KCSAN_EARLY_ENABLE bool "Early enable during boot" |