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-rw-r--r--include/linux/clockchips.h12
-rw-r--r--include/linux/clocksource.h1
-rw-r--r--include/linux/hrtimer.h5
-rw-r--r--include/linux/jiffies.h1
-rw-r--r--include/linux/posix-timers.h1
-rw-r--r--include/linux/sched.h3
-rw-r--r--include/linux/time.h3
-rw-r--r--include/linux/timekeeper_internal.h9
-rw-r--r--include/linux/timex.h7
-rw-r--r--include/uapi/linux/time.h6
10 files changed, 32 insertions, 16 deletions
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 66346521cb6..464e229e7d8 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -55,6 +55,11 @@ enum clock_event_nofitiers {
#define CLOCK_EVT_FEAT_C3STOP 0x000008
#define CLOCK_EVT_FEAT_DUMMY 0x000010
+/*
+ * Core shall set the interrupt affinity dynamically in broadcast mode
+ */
+#define CLOCK_EVT_FEAT_DYNIRQ 0x000020
+
/**
* struct clock_event_device - clock event device descriptor
* @event_handler: Assigned by the framework to be called by the low
@@ -170,6 +175,12 @@ extern void tick_broadcast(const struct cpumask *mask);
extern int tick_receive_broadcast(void);
#endif
+#if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT)
+extern int tick_check_broadcast_expired(void);
+#else
+static inline int tick_check_broadcast_expired(void) { return 0; }
+#endif
+
#ifdef CONFIG_GENERIC_CLOCKEVENTS
extern void clockevents_notify(unsigned long reason, void *arg);
#else
@@ -182,6 +193,7 @@ static inline void clockevents_suspend(void) {}
static inline void clockevents_resume(void) {}
#define clockevents_notify(reason, arg) do { } while (0)
+static inline int tick_check_broadcast_expired(void) { return 0; }
#endif
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 27cfda427dd..aa7032c7238 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -206,6 +206,7 @@ struct clocksource {
#define CLOCK_SOURCE_WATCHDOG 0x10
#define CLOCK_SOURCE_VALID_FOR_HRES 0x20
#define CLOCK_SOURCE_UNSTABLE 0x40
+#define CLOCK_SOURCE_SUSPEND_NONSTOP 0x80
/* simplify initialization of mask field */
#define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index cc07d2777bb..d19a5c2d227 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -157,6 +157,7 @@ enum hrtimer_base_type {
HRTIMER_BASE_MONOTONIC,
HRTIMER_BASE_REALTIME,
HRTIMER_BASE_BOOTTIME,
+ HRTIMER_BASE_TAI,
HRTIMER_MAX_CLOCK_BASES,
};
@@ -327,7 +328,9 @@ extern ktime_t ktime_get(void);
extern ktime_t ktime_get_real(void);
extern ktime_t ktime_get_boottime(void);
extern ktime_t ktime_get_monotonic_offset(void);
-extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot);
+extern ktime_t ktime_get_clocktai(void);
+extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot,
+ ktime_t *offs_tai);
DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 82ed068b1eb..8fb8edf1241 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -75,7 +75,6 @@ extern int register_refined_jiffies(long clock_tick_rate);
*/
extern u64 __jiffy_data jiffies_64;
extern unsigned long volatile __jiffy_data jiffies;
-extern seqlock_t jiffies_lock;
#if (BITS_PER_LONG < 64)
u64 get_jiffies_64(void);
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 042058fdb0a..60bac697a91 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -55,6 +55,7 @@ struct cpu_timer_list {
/* POSIX.1b interval timer structure. */
struct k_itimer {
struct list_head list; /* free/ allocate list */
+ struct hlist_node t_hash;
spinlock_t it_lock;
clockid_t it_clock; /* which timer type */
timer_t it_id; /* timer id */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 981ab688725..54ddcb82cdd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -514,7 +514,8 @@ struct signal_struct {
unsigned int has_child_subreaper:1;
/* POSIX.1b Interval Timers */
- struct list_head posix_timers;
+ int posix_timer_id;
+ struct list_head posix_timers;
/* ITIMER_REAL timer for the process */
struct hrtimer real_timer;
diff --git a/include/linux/time.h b/include/linux/time.h
index d4835dfdf25..22d81b3c955 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -181,6 +181,9 @@ extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
extern int timekeeping_valid_for_hres(void);
extern u64 timekeeping_max_deferment(void);
extern int timekeeping_inject_offset(struct timespec *ts);
+extern s32 timekeeping_get_tai_offset(void);
+extern void timekeeping_set_tai_offset(s32 tai_offset);
+extern void timekeeping_clocktai(struct timespec *ts);
struct tms;
extern void do_sys_times(struct tms *);
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index e1d558e237e..c1825eb436e 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -20,6 +20,8 @@ struct timekeeper {
u32 shift;
/* Number of clock cycles in one NTP interval. */
cycle_t cycle_interval;
+ /* Last cycle value (also stored in clock->cycle_last) */
+ cycle_t cycle_last;
/* Number of clock shifted nano seconds in one NTP interval. */
u64 xtime_interval;
/* shifted nano seconds left over when rounding cycle_interval */
@@ -62,8 +64,11 @@ struct timekeeper {
ktime_t offs_boot;
/* The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock. */
struct timespec raw_time;
- /* Seqlock for all timekeeper values */
- seqlock_t lock;
+ /* The current UTC to TAI offset in seconds */
+ s32 tai_offset;
+ /* Offset clock monotonic -> clock tai */
+ ktime_t offs_tai;
+
};
static inline struct timespec tk_xtime(struct timekeeper *tk)
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 5ec87c60b97..b3726e61368 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -125,9 +125,6 @@
extern unsigned long tick_usec; /* USER_HZ period (usec) */
extern unsigned long tick_nsec; /* SHIFTED_HZ period (nsec) */
-extern void ntp_init(void);
-extern void ntp_clear(void);
-
/* Required to safely shift negative values */
#define shift_right(x, s) ({ \
__typeof__(x) __x = (x); \
@@ -140,10 +137,6 @@ extern void ntp_clear(void);
#define NTP_INTERVAL_FREQ (HZ)
#define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
-/* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
-extern u64 ntp_tick_length(void);
-
-extern int second_overflow(unsigned long secs);
extern int do_adjtimex(struct timex *);
extern void hardpps(const struct timespec *, const struct timespec *);
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 0d3c0edc3ed..e75e1b6ff27 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -54,11 +54,9 @@ struct itimerval {
#define CLOCK_BOOTTIME 7
#define CLOCK_REALTIME_ALARM 8
#define CLOCK_BOOTTIME_ALARM 9
+#define CLOCK_SGI_CYCLE 10 /* Hardware specific */
+#define CLOCK_TAI 11
-/*
- * The IDs of various hardware clocks:
- */
-#define CLOCK_SGI_CYCLE 10
#define MAX_CLOCKS 16
#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
#define CLOCKS_MONO CLOCK_MONOTONIC