mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 09:41:44 +00:00
6e54abac1b
It might be annoying to constantly see this: scripts/Makefile.kasan:16: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler while performing allmodconfig/allyesconfig build tests. Disable this warning if CONFIG_COMPILE_TEST=y. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
30 lines
887 B
Makefile
30 lines
887 B
Makefile
ifdef CONFIG_KASAN
|
|
ifdef CONFIG_KASAN_INLINE
|
|
call_threshold := 10000
|
|
else
|
|
call_threshold := 0
|
|
endif
|
|
|
|
CFLAGS_KASAN_MINIMAL := -fsanitize=kernel-address
|
|
|
|
CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
|
|
-fasan-shadow-offset=$(CONFIG_KASAN_SHADOW_OFFSET) \
|
|
--param asan-stack=1 --param asan-globals=1 \
|
|
--param asan-instrumentation-with-call-threshold=$(call_threshold))
|
|
|
|
ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
|
|
ifneq ($(CONFIG_COMPILE_TEST),y)
|
|
$(warning Cannot use CONFIG_KASAN: \
|
|
-fsanitize=kernel-address is not supported by compiler)
|
|
endif
|
|
else
|
|
ifeq ($(CFLAGS_KASAN),)
|
|
ifneq ($(CONFIG_COMPILE_TEST),y)
|
|
$(warning CONFIG_KASAN: compiler does not support all options.\
|
|
Trying minimal configuration)
|
|
endif
|
|
CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
|
|
endif
|
|
endif
|
|
endif
|