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author | Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2019-03-18 22:55:56 +0300 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2019-03-23 13:43:56 +0300 |
commit | e1e41b6ce5f9c1a80bf4f2404ec5ab11c6c5a2ad (patch) | |
tree | 557a74eacdec022714fe1a1992080053037f15e5 | |
parent | d7dcf26ff0ffd7b56fe2b09ed7f1867589f3cdf1 (diff) | |
download | linux-e1e41b6ce5f9c1a80bf4f2404ec5ab11c6c5a2ad.tar.xz |
timekeeping: Consistently use unsigned int for seqcount snapshot
The timekeeping code uses a random mix of "unsigned long" and "unsigned
int" for the seqcount snapshots (ratio 14:12). Since the seqlock.h API is
entirely based on unsigned int, use that throughout.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190318195557.20773-1-linux@rasmusvillemoes.dk
-rw-r--r-- | kernel/time/jiffies.c | 2 | ||||
-rw-r--r-- | kernel/time/sched_clock.c | 4 | ||||
-rw-r--r-- | kernel/time/tick-common.c | 2 | ||||
-rw-r--r-- | kernel/time/tick-sched.c | 3 | ||||
-rw-r--r-- | kernel/time/timekeeping.c | 18 |
5 files changed, 15 insertions, 14 deletions
diff --git a/kernel/time/jiffies.c b/kernel/time/jiffies.c index dc1b6f1929f9..95f8f3304c19 100644 --- a/kernel/time/jiffies.c +++ b/kernel/time/jiffies.c @@ -63,7 +63,7 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(jiffies_lock); #if (BITS_PER_LONG < 64) u64 get_jiffies_64(void) { - unsigned long seq; + unsigned int seq; u64 ret; do { diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c index 094b82ca95e5..16b80c2b4fe8 100644 --- a/kernel/time/sched_clock.c +++ b/kernel/time/sched_clock.c @@ -94,7 +94,7 @@ static inline u64 notrace cyc_to_ns(u64 cyc, u32 mult, u32 shift) unsigned long long notrace sched_clock(void) { u64 cyc, res; - unsigned long seq; + unsigned int seq; struct clock_read_data *rd; do { @@ -267,7 +267,7 @@ void __init generic_sched_clock_init(void) */ static u64 notrace suspended_sched_clock_read(void) { - unsigned long seq = raw_read_seqcount(&cd.seq); + unsigned int seq = raw_read_seqcount(&cd.seq); return cd.read_data[seq & 1].epoch_cyc; } diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 529143b4c8d2..561641b2153f 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -149,7 +149,7 @@ void tick_setup_periodic(struct clock_event_device *dev, int broadcast) !tick_broadcast_oneshot_active()) { clockevents_switch_state(dev, CLOCK_EVT_STATE_PERIODIC); } else { - unsigned long seq; + unsigned int seq; ktime_t next; do { diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 6fa52cd6df0b..b50f6f22c88e 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -645,7 +645,8 @@ static inline bool local_timer_softirq_pending(void) static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu) { u64 basemono, next_tick, next_tmr, next_rcu, delta, expires; - unsigned long seq, basejiff; + unsigned long basejiff; + unsigned int seq; /* Read jiffies and the time when jiffies were updated last */ do { diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index f986e1918d12..540145da33da 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -720,7 +720,7 @@ static void timekeeping_forward_now(struct timekeeper *tk) void ktime_get_real_ts64(struct timespec64 *ts) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; u64 nsecs; WARN_ON(timekeeping_suspended); @@ -829,7 +829,7 @@ EXPORT_SYMBOL_GPL(ktime_get_coarse_with_offset); ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs) { ktime_t *offset = offsets[offs]; - unsigned long seq; + unsigned int seq; ktime_t tconv; do { @@ -960,7 +960,7 @@ time64_t __ktime_get_real_seconds(void) void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; ktime_t base_raw; ktime_t base_real; u64 nsec_raw; @@ -1122,7 +1122,7 @@ int get_device_system_crosststamp(int (*get_time_fn) ktime_t base_real, base_raw; u64 nsec_real, nsec_raw; u8 cs_was_changed_seq; - unsigned long seq; + unsigned int seq; bool do_interp; int ret; @@ -1409,7 +1409,7 @@ int timekeeping_notify(struct clocksource *clock) void ktime_get_raw_ts64(struct timespec64 *ts) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; u64 nsecs; do { @@ -1431,7 +1431,7 @@ EXPORT_SYMBOL(ktime_get_raw_ts64); int timekeeping_valid_for_hres(void) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; int ret; do { @@ -1450,7 +1450,7 @@ int timekeeping_valid_for_hres(void) u64 timekeeping_max_deferment(void) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; u64 ret; do { @@ -2150,7 +2150,7 @@ EXPORT_SYMBOL_GPL(getboottime64); void ktime_get_coarse_real_ts64(struct timespec64 *ts) { struct timekeeper *tk = &tk_core.timekeeper; - unsigned long seq; + unsigned int seq; do { seq = read_seqcount_begin(&tk_core.seq); @@ -2164,7 +2164,7 @@ void ktime_get_coarse_ts64(struct timespec64 *ts) { struct timekeeper *tk = &tk_core.timekeeper; struct timespec64 now, mono; - unsigned long seq; + unsigned int seq; do { seq = read_seqcount_begin(&tk_core.seq); |