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-rw-r--r--arch/arm64/Makefile7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index f9914d7c1bb0..f41c6761ec36 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -55,6 +55,13 @@ else
TEXT_OFFSET := 0x00080000
endif
+# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61)
+# in 32-bit arithmetic
+KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \
+ (0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
+ + (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - 3)) \
+ - (1 << (64 - 32 - 3)) )) )
+
export TEXT_OFFSET GZFLAGS
core-y += arch/arm64/kernel/ arch/arm64/mm/
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