Messages in this thread Patch in this message |  | | Date | Tue, 4 Feb 2020 15:03:53 +0100 | Subject | [PATCH 3/3] kcsan: Cleanup of main KCSAN Kconfig option | From | Marco Elver <> |
| |
This patch cleans up the rules of the 'KCSAN' Kconfig option by: 1. implicitly selecting 'STACKTRACE' instead of depending on it; 2. depending on DEBUG_KERNEL, to avoid accidentally turning KCSAN on if the kernel is not meant to be a debug kernel; 3. updating the short and long summaries.
Signed-off-by: Marco Elver <elver@google.com> --- lib/Kconfig.kcsan | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/lib/Kconfig.kcsan b/lib/Kconfig.kcsan index 35fab63111d75..0af6301061c03 100644 --- a/lib/Kconfig.kcsan +++ b/lib/Kconfig.kcsan @@ -4,12 +4,15 @@ config HAVE_ARCH_KCSAN bool menuconfig KCSAN - bool "KCSAN: watchpoint-based dynamic data race detector" - depends on HAVE_ARCH_KCSAN && !KASAN && STACKTRACE + bool "KCSAN: dynamic data race detector" + depends on HAVE_ARCH_KCSAN && DEBUG_KERNEL && !KASAN + select STACKTRACE help - Kernel Concurrency Sanitizer is a dynamic data race detector, which - uses a watchpoint-based sampling approach to detect races. See - <file:Documentation/dev-tools/kcsan.rst> for more details. + The Kernel Concurrency Sanitizer (KCSAN) is a dynamic data race + detector, which relies on compile-time instrumentation, and uses a + watchpoint-based sampling approach to detect data races. + + See <file:Documentation/dev-tools/kcsan.rst> for more details. if KCSAN -- 2.25.0.341.g760bfbb309-goog
|  |