--- zzzz-none-000/linux-4.4.271/kernel/sched/Makefile	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/kernel/sched/Makefile	2023-04-19 10:22:30.000000000 +0000
@@ -2,6 +2,10 @@
 CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE)
 endif
 
+# 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
+
 ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
 # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
 # needed for x86 only.  Why this used to be enabled for all architectures is beyond
@@ -10,7 +14,7 @@
 # to get a correct value for the wait-channel (WCHAN in ps). --davidm
 CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer
 endif
-
+KASAN_SANITIZE := n
 obj-y += core.o loadavg.o clock.o cputime.o
 obj-y += idle_task.o fair.o rt.o deadline.o stop_task.o
 obj-y += wait.o completion.o idle.o