1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/include/asm/vdso/vsyscall.h b/arch/arm/include/asm/vdso/vsyscall.h
new file mode 100644
index 000000000000..ff1c729af05f
--- /dev/null
+++ b/arch/arm/include/asm/vdso/vsyscall.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_VDSO_VSYSCALL_H
+#define __ASM_VDSO_VSYSCALL_H
+
+#ifndef __ASSEMBLY__
+
+#include <vdso/datapage.h>
+#include <asm/cacheflush.h>
+
+static __always_inline
+void __arch_sync_vdso_time_data(struct vdso_time_data *vdata)
+{
+	flush_dcache_page(virt_to_page(vdata));
+}
+#define __arch_sync_vdso_time_data __arch_sync_vdso_time_data
+
+/* The asm-generic header needs to be included after the definitions above */
+#include <asm-generic/vdso/vsyscall.h>
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_VDSO_VSYSCALL_H */