1 files changed, 41 insertions, 0 deletions
diff --git a/arch/s390/include/asm/vdso/gettimeofday.h b/arch/s390/include/asm/vdso/gettimeofday.h
new file mode 100644
index 000000000000..c31ac5f61c83
--- /dev/null
+++ b/arch/s390/include/asm/vdso/gettimeofday.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_VDSO_GETTIMEOFDAY_H
+#define ASM_VDSO_GETTIMEOFDAY_H
+
+#define VDSO_HAS_TIME 1
+
+#define VDSO_HAS_CLOCK_GETRES 1
+
+#define VDSO_DELTA_NOMASK 1
+
+#include <asm/syscall.h>
+#include <asm/timex.h>
+#include <asm/unistd.h>
+#include <linux/compiler.h>
+
+
+static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_time_data *vd)
+{
+	return get_tod_clock() - vd->arch_data.tod_delta;
+}
+
+static __always_inline
+long clock_gettime_fallback(clockid_t clkid, struct __kernel_timespec *ts)
+{
+	return syscall2(__NR_clock_gettime, (long)clkid, (long)ts);
+}
+
+static __always_inline
+long gettimeofday_fallback(register struct __kernel_old_timeval *tv,
+			   register struct timezone *tz)
+{
+	return syscall2(__NR_gettimeofday, (long)tv, (long)tz);
+}
+
+static __always_inline
+long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts)
+{
+	return syscall2(__NR_clock_getres, (long)clkid, (long)ts);
+}
+
+#endif