diff -up linux-4.16-rc5.1/arch/x86/entry/vdso/vclock_gettime.c.4.16-rc5 linux-4.16-rc5.1/arch/x86/entry/vdso/vclock_gettime.c
--- linux-4.16-rc5.1/arch/x86/entry/vdso/vclock_gettime.c.4.16-rc5	2018-03-12 00:25:09.000000000 +0000
+++ linux-4.16-rc5.1/arch/x86/entry/vdso/vclock_gettime.c	2018-03-12 08:12:17.110120433 +0000
@@ -182,6 +182,18 @@ notrace static u64 vread_tsc(void)
 	return last;
 }
 
+notrace static u64 vread_tsc_raw(void)
+{
+	u64 tsc
+	  , last = gtod->raw_cycle_last;
+
+	tsc	      = rdtsc_ordered();
+	if (likely(tsc >= last))
+		return tsc;
+	asm volatile ("");
+	return last;
+}
+
 notrace static inline u64 vgetsns(int *mode)
 {
 	u64 v;
@@ -203,6 +215,27 @@ notrace static inline u64 vgetsns(int *m
 	return v * gtod->mult;
 }
 
+notrace static inline u64 vgetsns_raw(int *mode)
+{
+	u64 v;
+	cycles_t cycles;
+
+	if (gtod->vclock_mode == VCLOCK_TSC)
+		cycles = vread_tsc_raw();
+#ifdef CONFIG_PARAVIRT_CLOCK
+	else if (gtod->vclock_mode == VCLOCK_PVCLOCK)
+		cycles = vread_pvclock(mode);
+#endif
+#ifdef CONFIG_HYPERV_TSCPAGE
+	else if (gtod->vclock_mode == VCLOCK_HVCLOCK)
+		cycles = vread_hvclock(mode);
+#endif
+	else
+		return 0;
+	v = (cycles - gtod->raw_cycle_last) & gtod->raw_mask;
+	return v * gtod->raw_mult;
+}
+
 /* Code size doesn't matter (vdso is 4k anyway) and this is faster. */
 notrace static int __always_inline do_realtime(struct timespec *ts)
 {
@@ -246,6 +279,27 @@ notrace static int __always_inline do_mo
 	return mode;
 }
 
+notrace static __always_inline int do_monotonic_raw(struct timespec *ts)
+{
+	unsigned long seq;
+	u64 ns;
+	int mode;
+
+	do {
+		seq = gtod_read_begin(gtod);
+		mode = gtod->vclock_mode;
+		ts->tv_sec = gtod->monotonic_time_raw_sec;
+		ns = gtod->monotonic_time_raw_nsec;
+		ns += vgetsns_raw(&mode);
+		ns >>= gtod->raw_shift;
+	} while (unlikely(gtod_read_retry(gtod, seq)));
+
+	ts->tv_sec += __iter_div_u64_rem(ns, NSEC_PER_SEC, &ns);
+	ts->tv_nsec = ns;
+
+	return mode;
+}
+
 notrace static void do_realtime_coarse(struct timespec *ts)
 {
 	unsigned long seq;
@@ -277,6 +331,10 @@ notrace int __vdso_clock_gettime(clockid
 		if (do_monotonic(ts) == VCLOCK_NONE)
 			goto fallback;
 		break;
+	case CLOCK_MONOTONIC_RAW:
+		if (do_monotonic_raw(ts) == VCLOCK_NONE)
+			goto fallback;
+		break;
 	case CLOCK_REALTIME_COARSE:
 		do_realtime_coarse(ts);
 		break;
diff -up linux-4.16-rc5.1/arch/x86/entry/vsyscall/vsyscall_gtod.c.4.16-rc5 linux-4.16-rc5.1/arch/x86/entry/vsyscall/vsyscall_gtod.c
--- linux-4.16-rc5.1/arch/x86/entry/vsyscall/vsyscall_gtod.c.4.16-rc5	2018-03-12 00:25:09.000000000 +0000
+++ linux-4.16-rc5.1/arch/x86/entry/vsyscall/vsyscall_gtod.c	2018-03-12 07:58:07.974214168 +0000
@@ -45,6 +45,11 @@ void update_vsyscall(struct timekeeper *
 	vdata->mult		= tk->tkr_mono.mult;
 	vdata->shift		= tk->tkr_mono.shift;
 
+	vdata->raw_cycle_last	= tk->tkr_raw.cycle_last;
+	vdata->raw_mask		= tk->tkr_raw.mask;
+	vdata->raw_mult		= tk->tkr_raw.mult;
+	vdata->raw_shift	= tk->tkr_raw.shift;
+
 	vdata->wall_time_sec		= tk->xtime_sec;
 	vdata->wall_time_snsec		= tk->tkr_mono.xtime_nsec;
 
@@ -74,5 +79,8 @@ void update_vsyscall(struct timekeeper *
 		vdata->monotonic_time_coarse_sec++;
 	}
 
+	vdata->monotonic_time_raw_sec  = tk->raw_sec;
+	vdata->monotonic_time_raw_nsec = tk->tkr_raw.xtime_nsec;
+
 	gtod_write_end(vdata);
 }
diff -up linux-4.16-rc5.1/arch/x86/include/asm/msr.h.4.16-rc5 linux-4.16-rc5.1/arch/x86/include/asm/msr.h
--- linux-4.16-rc5.1/arch/x86/include/asm/msr.h.4.16-rc5	2018-03-12 00:25:09.000000000 +0000
+++ linux-4.16-rc5.1/arch/x86/include/asm/msr.h	2018-03-12 08:01:25.400289554 +0000
@@ -218,7 +218,7 @@ static __always_inline unsigned long lon
 	return rdtsc();
 }
 
-/* Deprecated, keep it for a cycle for easier merging: */
+/* Deprecated, keep it for a cycle for easier merging: */o
 #define rdtscll(now)	do { (now) = rdtsc_ordered(); } while (0)
 
 static inline unsigned long long native_read_pmc(int counter)
diff -up linux-4.16-rc5.1/arch/x86/include/asm/vgtod.h.4.16-rc5 linux-4.16-rc5.1/arch/x86/include/asm/vgtod.h
--- linux-4.16-rc5.1/arch/x86/include/asm/vgtod.h.4.16-rc5	2018-03-12 00:25:09.000000000 +0000
+++ linux-4.16-rc5.1/arch/x86/include/asm/vgtod.h	2018-03-12 07:44:17.910539760 +0000
@@ -22,6 +22,10 @@ struct vsyscall_gtod_data {
 	u64	mask;
 	u32	mult;
 	u32	shift;
+	u64	raw_cycle_last;
+	u64	raw_mask;
+	u32	raw_mult;
+	u32	raw_shift;
 
 	/* open coded 'struct timespec' */
 	u64		wall_time_snsec;
@@ -32,6 +36,8 @@ struct vsyscall_gtod_data {
 	gtod_long_t	wall_time_coarse_nsec;
 	gtod_long_t	monotonic_time_coarse_sec;
 	gtod_long_t	monotonic_time_coarse_nsec;
+	gtod_long_t	monotonic_time_raw_sec;
+	gtod_long_t	monotonic_time_raw_nsec;
 
 	int		tz_minuteswest;
 	int		tz_dsttime;