diff options
Diffstat (limited to 'kernel/trace/Makefile')
| -rw-r--r-- | kernel/trace/Makefile | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 1decdce8cbef..f934ff586bd4 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -48,9 +48,10 @@ ifdef CONFIG_GCOV_PROFILE_FTRACE GCOV_PROFILE := y endif -# Functions in this file could be invoked from early interrupt -# code and produce random code coverage. +# Functions in these files can run from IRQ entry before hardirq context +# is visible to KCOV, and produce coverage unrelated to syscall inputs. KCOV_INSTRUMENT_trace_preemptirq.o := n +KCOV_INSTRUMENT_trace_irqsoff.o := n CFLAGS_bpf_trace.o := -I$(src) @@ -143,8 +144,8 @@ obj-$(CONFIG_TRACE_REMOTE_TEST) += remote_test.o targets += undefsyms_base.o KASAN_SANITIZE_undefsyms_base.o := y -UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitizer __tsan __ubsan __x86_indirect_thunk \ - __msan simple_ring_buffer \ +UNDEFINED_ALLOWLIST = __asan __gcov __kasan __kcsan __hwasan __sancov __sanitizer __tsan __ubsan __msan \ + __aeabi_unwind_cpp __s390_indirect_jump __x86_indirect_thunk simple_ring_buffer \ $(shell $(NM) -u $(obj)/undefsyms_base.o 2>/dev/null | awk '{print $$2}') quiet_cmd_check_undefined = NM $< @@ -154,7 +155,8 @@ quiet_cmd_check_undefined = NM $< echo "Unexpected symbols in $<:" >&2; \ echo "$$undefsyms" >&2; \ false; \ - fi + fi; \ + touch $@ $(obj)/%.o.checked: $(obj)/%.o $(obj)/undefsyms_base.o FORCE $(call if_changed,check_undefined) |