1 files changed, 20 insertions, 17 deletions
diff --git a/include/linux/time.h b/include/linux/time.h
index 27d83fd2ae61..16cf4522d6f3 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -3,7 +3,6 @@
 #define _LINUX_TIME_H
 
 # include <linux/cache.h>
-# include <linux/seqlock.h>
 # include <linux/math64.h>
 # include <linux/time64.h>
 
@@ -22,24 +21,12 @@ extern time64_t mktime64(const unsigned int year, const unsigned int mon,
 			const unsigned int day, const unsigned int hour,
 			const unsigned int min, const unsigned int sec);
 
-/* Some architectures do not supply their own clocksource.
- * This is mainly the case in architectures that get their
- * inter-tick times by reading the counter on their interval
- * timer. Since these timers wrap every tick, they're not really
- * useful as clocksources. Wrapping them to act like one is possible
- * but not very efficient. So we provide a callout these arches
- * can implement for use with the jiffies clocksource to provide
- * finer then tick granular time.
- */
-#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
-extern u32 (*arch_gettimeoffset)(void);
+#ifdef CONFIG_POSIX_TIMERS
+extern void clear_itimer(void);
+#else
+static inline void clear_itimer(void) {}
 #endif
 
-struct itimerval;
-extern int do_setitimer(int which, struct itimerval *value,
-			struct itimerval *ovalue);
-extern int do_getitimer(int which, struct itimerval *value);
-
 extern long do_utimes(int dfd, const char __user *filename, struct timespec64 *times, int flags);
 
 /*
@@ -96,4 +83,20 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its)
  */
 #define time_after32(a, b)	((s32)((u32)(b) - (u32)(a)) < 0)
 #define time_before32(b, a)	time_after32(a, b)
+
+/**
+ * time_between32 - check if a 32-bit timestamp is within a given time range
+ * @t:	the time which may be within [l,h]
+ * @l:	the lower bound of the range
+ * @h:	the higher bound of the range
+ *
+ * time_before32(t, l, h) returns true if @l <= @t <= @h. All operands are
+ * treated as 32-bit integers.
+ *
+ * Equivalent to !(time_before32(@t, @l) || time_after32(@t, @h)).
+ */
+#define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
+
+# include <vdso/time.h>
+
 #endif