Merge remote-tracking branch 'arm64/for-next/core'

[karo-tx-linux.git] / arch / arm64 / Makefile

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index d10b5d483022f5374fa16c7783b7fb62014c3acb..cd822d8454c0536165810004089c3a7ce5d0068d 100644 (file)
--- 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/