diff options
| author | Marco Elver <elver@google.com> | 2021-11-30 12:44:21 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-12-09 16:42:27 -0800 |
| commit | 71b0e3aeb28256712945d99ca67b3f5e3ed7e0b1 (patch) | |
| tree | abe1638ba6b1dbec580293fc06c33f943b4931de /kernel/kcsan/Makefile | |
| parent | 116af35e38cf97ed72111ac6bea19f8acea2d0ba (diff) | |
kcsan: selftest: Add test case to check memory barrier instrumentation
Memory barrier instrumentation is crucial to avoid false positives. To
avoid surprises, run a simple test case in the boot-time selftest to
ensure memory barriers are still instrumented correctly.
Signed-off-by: Marco Elver <elver@google.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/kcsan/Makefile')
| -rw-r--r-- | kernel/kcsan/Makefile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/kcsan/Makefile b/kernel/kcsan/Makefile index c2bb07f5bcc7..ff47e896de3b 100644 --- a/kernel/kcsan/Makefile +++ b/kernel/kcsan/Makefile @@ -11,6 +11,8 @@ CFLAGS_core.o := $(call cc-option,-fno-conserve-stack) \ -fno-stack-protector -DDISABLE_BRANCH_PROFILING obj-y := core.o debugfs.o report.o + +KCSAN_INSTRUMENT_BARRIERS_selftest.o := y obj-$(CONFIG_KCSAN_SELFTEST) += selftest.o CFLAGS_kcsan_test.o := $(CFLAGS_KCSAN) -g -fno-omit-frame-pointer |