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-rw-r--r--arch/s390/boot/Makefile1
-rw-r--r--arch/s390/boot/kmsan.c6
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 526ed20b9d31..e7658997452b 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -44,6 +44,7 @@ obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) +=
obj-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
obj-y += $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o
obj-$(CONFIG_KERNEL_ZSTD) += clz_ctz.o
+obj-$(CONFIG_KMSAN) += kmsan.o
obj-all := $(obj-y) piggy.o syms.o
targets := bzImage section_cmp.boot.data section_cmp.boot.preserved.data $(obj-y)
diff --git a/arch/s390/boot/kmsan.c b/arch/s390/boot/kmsan.c
new file mode 100644
index 000000000000..e7b3ac48143e
--- /dev/null
+++ b/arch/s390/boot/kmsan.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/kmsan-checks.h>
+
+void kmsan_unpoison_memory(const void *address, size_t size)
+{
+}