diff options
Diffstat (limited to 'kernel/sched/Makefile')
| -rw-r--r-- | kernel/sched/Makefile | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile index 978fcfca5871..c83b37af155b 100644 --- a/kernel/sched/Makefile +++ b/kernel/sched/Makefile @@ -3,15 +3,18 @@ ifdef CONFIG_FUNCTION_TRACER CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE) endif +# The compilers are complaining about unused variables inside an if(0) scope +# block. This is daft, shut them up. +ccflags-y += $(call cc-disable-warning, unused-but-set-variable) + # These files are disabled because they produce non-interesting flaky coverage # that is not a function of syscall inputs. E.g. involuntary context switches. KCOV_INSTRUMENT := n -# There are numerous data races here, however, most of them are due to plain accesses. -# This would make it even harder for syzbot to find reproducers, because these -# bugs trigger without specific input. Disable by default, but should re-enable -# eventually. +# Disable KCSAN to avoid excessive noise and performance degradation. To avoid +# false positives ensure barriers implied by sched functions are instrumented. KCSAN_SANITIZE := n +KCSAN_INSTRUMENT_BARRIERS := y ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y) # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is |