On 5/25/2018 8:10 PM, Andrey Konovalov wrote:
...<snip>
+ifdef CONFIG_KASAN_HW
+
+ifdef CONFIG_KASAN_INLINE
+ instrumentation_flags := -mllvm -hwasan-mapping-offset=$(KASAN_SHADOW_OFFSET)
+else
+ instrumentation_flags := -mllvm -hwasan-instrument-with-calls=1
+endif
+CFLAGS_KASAN := -fsanitize=kernel-hwaddress \
+ -mllvm -hwasan-instrument-stack=0 \
+ $(instrumentation_flags)
+
+ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
/s/CFLAGS_KASAN_MINIMAL/CFLAGS_KASAN ??
+ ifneq ($(CONFIG_COMPILE_TEST),y)
+ $(warning Cannot use CONFIG_KASAN_HW: \
+ -fsanitize=hwaddress is not supported by compiler)
+ endif
+endif
+
+endif
+
+ifdef CONFIG_KASAN
+CFLAGS_KASAN_NOSANITIZE := -fno-builtin
endif
Chintan
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