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-rw-r--r--arch/s390/Kconfig5
-rw-r--r--arch/s390/include/asm/kasan.h2
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 95fff775ac7c..24586257c5cd 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -56,6 +56,11 @@ config PCI_QUIRKS
config ARCH_SUPPORTS_UPROBES
def_bool y
+config KASAN_SHADOW_OFFSET
+ hex
+ depends on KASAN
+ default 0x30000000000
+
config S390
def_bool y
select ARCH_BINFMT_ELF_STATE
diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h
index 7de6eceb562e..892f4585c663 100644
--- a/arch/s390/include/asm/kasan.h
+++ b/arch/s390/include/asm/kasan.h
@@ -9,7 +9,7 @@
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_SIZE \
(_AC(1, UL) << (_REGION2_SHIFT - KASAN_SHADOW_SCALE_SHIFT))
-#define KASAN_SHADOW_OFFSET _AC(0x30000000000, UL)
+#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
#define KASAN_SHADOW_START KASAN_SHADOW_OFFSET
#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE)