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-rw-r--r--include/linux/futex.h4
-rw-r--r--include/linux/hrtimer.h12
-rw-r--r--include/linux/ktime.h68
-rw-r--r--include/linux/tick.h4
-rw-r--r--include/linux/wait.h2
-rw-r--r--include/net/red.h4
-rw-r--r--include/net/sock.h4
-rw-r--r--include/trace/events/alarmtimer.h6
-rw-r--r--include/trace/events/timer.h16
9 files changed, 47 insertions, 73 deletions
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 6435f46d6e13..7c5b694864cd 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -1,14 +1,14 @@
#ifndef _LINUX_FUTEX_H
#define _LINUX_FUTEX_H
+#include <linux/ktime.h>
#include <uapi/linux/futex.h>
struct inode;
struct mm_struct;
struct task_struct;
-union ktime;
-long do_futex(u32 __user *uaddr, int op, u32 val, union ktime *timeout,
+long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
u32 __user *uaddr2, u32 val2, u32 val3);
extern int
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 5e00f80b1535..cdab81ba29f8 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -228,8 +228,8 @@ static inline void hrtimer_set_expires_range_ns(struct hrtimer *timer, ktime_t t
static inline void hrtimer_set_expires_tv64(struct hrtimer *timer, s64 tv64)
{
- timer->node.expires.tv64 = tv64;
- timer->_softexpires.tv64 = tv64;
+ timer->node.expires = tv64;
+ timer->_softexpires = tv64;
}
static inline void hrtimer_add_expires(struct hrtimer *timer, ktime_t time)
@@ -256,11 +256,11 @@ static inline ktime_t hrtimer_get_softexpires(const struct hrtimer *timer)
static inline s64 hrtimer_get_expires_tv64(const struct hrtimer *timer)
{
- return timer->node.expires.tv64;
+ return timer->node.expires;
}
static inline s64 hrtimer_get_softexpires_tv64(const struct hrtimer *timer)
{
- return timer->_softexpires.tv64;
+ return timer->_softexpires;
}
static inline s64 hrtimer_get_expires_ns(const struct hrtimer *timer)
@@ -297,7 +297,7 @@ extern void hrtimer_peek_ahead_timers(void);
* this resolution values.
*/
# define HIGH_RES_NSEC 1
-# define KTIME_HIGH_RES (ktime_t) { .tv64 = HIGH_RES_NSEC }
+# define KTIME_HIGH_RES (HIGH_RES_NSEC)
# define MONOTONIC_RES_NSEC HIGH_RES_NSEC
# define KTIME_MONOTONIC_RES KTIME_HIGH_RES
@@ -333,7 +333,7 @@ __hrtimer_expires_remaining_adjusted(const struct hrtimer *timer, ktime_t now)
* hrtimer_start_range_ns() to prevent short timeouts.
*/
if (IS_ENABLED(CONFIG_TIME_LOW_RES) && timer->is_rel)
- rem.tv64 -= hrtimer_resolution;
+ rem -= hrtimer_resolution;
return rem;
}
diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 0fb7ffb1775f..8e573deda55e 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -24,21 +24,8 @@
#include <linux/time.h>
#include <linux/jiffies.h>
-/*
- * ktime_t:
- *
- * A single 64-bit variable is used to store the hrtimers
- * internal representation of time values in scalar nanoseconds. The
- * design plays out best on 64-bit CPUs, where most conversions are
- * NOPs and most arithmetic ktime_t operations are plain arithmetic
- * operations.
- *
- */
-union ktime {
- s64 tv64;
-};
-
-typedef union ktime ktime_t; /* Kill this */
+/* Nanosecond scalar representation for kernel time values */
+typedef s64 ktime_t;
/**
* ktime_set - Set a ktime_t variable from a seconds/nanoseconds value
@@ -50,39 +37,34 @@ typedef union ktime ktime_t; /* Kill this */
static inline ktime_t ktime_set(const s64 secs, const unsigned long nsecs)
{
if (unlikely(secs >= KTIME_SEC_MAX))
- return (ktime_t){ .tv64 = KTIME_MAX };
+ return KTIME_MAX;
- return (ktime_t) { .tv64 = secs * NSEC_PER_SEC + (s64)nsecs };
+ return secs * NSEC_PER_SEC + (s64)nsecs;
}
/* Subtract two ktime_t variables. rem = lhs -rhs: */
-#define ktime_sub(lhs, rhs) \
- ({ (ktime_t){ .tv64 = (lhs).tv64 - (rhs).tv64 }; })
+#define ktime_sub(lhs, rhs) ((lhs) - (rhs))
/* Add two ktime_t variables. res = lhs + rhs: */
-#define ktime_add(lhs, rhs) \
- ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; })
+#define ktime_add(lhs, rhs) ((lhs) + (rhs))
/*
* Same as ktime_add(), but avoids undefined behaviour on overflow; however,
* this means that you must check the result for overflow yourself.
*/
-#define ktime_add_unsafe(lhs, rhs) \
- ({ (ktime_t){ .tv64 = (u64) (lhs).tv64 + (rhs).tv64 }; })
+#define ktime_add_unsafe(lhs, rhs) ((u64) (lhs) + (rhs))
/*
* Add a ktime_t variable and a scalar nanosecond value.
* res = kt + nsval:
*/
-#define ktime_add_ns(kt, nsval) \
- ({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; })
+#define ktime_add_ns(kt, nsval) ((kt) + (nsval))
/*
* Subtract a scalar nanosecod from a ktime_t variable
* res = kt - nsval:
*/
-#define ktime_sub_ns(kt, nsval) \
- ({ (ktime_t){ .tv64 = (kt).tv64 - (nsval) }; })
+#define ktime_sub_ns(kt, nsval) ((kt) - (nsval))
/* convert a timespec to ktime_t format: */
static inline ktime_t timespec_to_ktime(struct timespec ts)
@@ -103,16 +85,16 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
}
/* Map the ktime_t to timespec conversion to ns_to_timespec function */
-#define ktime_to_timespec(kt) ns_to_timespec((kt).tv64)
+#define ktime_to_timespec(kt) ns_to_timespec((kt))
/* Map the ktime_t to timespec conversion to ns_to_timespec function */
-#define ktime_to_timespec64(kt) ns_to_timespec64((kt).tv64)
+#define ktime_to_timespec64(kt) ns_to_timespec64((kt))
/* Map the ktime_t to timeval conversion to ns_to_timeval function */
-#define ktime_to_timeval(kt) ns_to_timeval((kt).tv64)
+#define ktime_to_timeval(kt) ns_to_timeval((kt))
/* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
-#define ktime_to_ns(kt) ((kt).tv64)
+#define ktime_to_ns(kt) (kt)
/**
@@ -126,7 +108,7 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
*/
static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
{
- return cmp1.tv64 == cmp2.tv64;
+ return cmp1 == cmp2;
}
/**
@@ -141,9 +123,9 @@ static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
*/
static inline int ktime_compare(const ktime_t cmp1, const ktime_t cmp2)
{
- if (cmp1.tv64 < cmp2.tv64)
+ if (cmp1 < cmp2)
return -1;
- if (cmp1.tv64 > cmp2.tv64)
+ if (cmp1 > cmp2)
return 1;
return 0;
}
@@ -182,7 +164,7 @@ static inline s64 ktime_divns(const ktime_t kt, s64 div)
*/
BUG_ON(div < 0);
if (__builtin_constant_p(div) && !(div >> 32)) {
- s64 ns = kt.tv64;
+ s64 ns = kt;
u64 tmp = ns < 0 ? -ns : ns;
do_div(tmp, div);
@@ -199,7 +181,7 @@ static inline s64 ktime_divns(const ktime_t kt, s64 div)
* so catch them on 64bit as well.
*/
WARN_ON(div < 0);
- return kt.tv64 / div;
+ return kt / div;
}
#endif
@@ -256,7 +238,7 @@ extern ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs);
static inline __must_check bool ktime_to_timespec_cond(const ktime_t kt,
struct timespec *ts)
{
- if (kt.tv64) {
+ if (kt) {
*ts = ktime_to_timespec(kt);
return true;
} else {
@@ -275,7 +257,7 @@ static inline __must_check bool ktime_to_timespec_cond(const ktime_t kt,
static inline __must_check bool ktime_to_timespec64_cond(const ktime_t kt,
struct timespec64 *ts)
{
- if (kt.tv64) {
+ if (kt) {
*ts = ktime_to_timespec64(kt);
return true;
} else {
@@ -290,20 +272,16 @@ static inline __must_check bool ktime_to_timespec64_cond(const ktime_t kt,
* this resolution values.
*/
#define LOW_RES_NSEC TICK_NSEC
-#define KTIME_LOW_RES (ktime_t){ .tv64 = LOW_RES_NSEC }
+#define KTIME_LOW_RES (LOW_RES_NSEC)
static inline ktime_t ns_to_ktime(u64 ns)
{
- static const ktime_t ktime_zero = { .tv64 = 0 };
-
- return ktime_add_ns(ktime_zero, ns);
+ return ns;
}
static inline ktime_t ms_to_ktime(u64 ms)
{
- static const ktime_t ktime_zero = { .tv64 = 0 };
-
- return ktime_add_ms(ktime_zero, ms);
+ return ms * NSEC_PER_MSEC;
}
# include <linux/timekeeping.h>
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 62be0786d6d0..a04fea19676f 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -127,9 +127,7 @@ static inline void tick_nohz_idle_exit(void) { }
static inline ktime_t tick_nohz_get_sleep_length(void)
{
- ktime_t len = { .tv64 = NSEC_PER_SEC/HZ };
-
- return len;
+ return NSEC_PER_SEC / HZ;
}
static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; }
static inline u64 get_cpu_iowait_time_us(int cpu, u64 *unused) { return -1; }
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 2408e8d5c05c..1421132e9086 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -510,7 +510,7 @@ do { \
hrtimer_init_on_stack(&__t.timer, CLOCK_MONOTONIC, \
HRTIMER_MODE_REL); \
hrtimer_init_sleeper(&__t, current); \
- if ((timeout).tv64 != KTIME_MAX) \
+ if ((timeout) != KTIME_MAX) \
hrtimer_start_range_ns(&__t.timer, timeout, \
current->timer_slack_ns, \
HRTIMER_MODE_REL); \
diff --git a/include/net/red.h b/include/net/red.h
index 76e0b5f922c6..208e718e16b9 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -207,7 +207,7 @@ static inline void red_set_parms(struct red_parms *p,
static inline int red_is_idling(const struct red_vars *v)
{
- return v->qidlestart.tv64 != 0;
+ return v->qidlestart != 0;
}
static inline void red_start_of_idle_period(struct red_vars *v)
@@ -217,7 +217,7 @@ static inline void red_start_of_idle_period(struct red_vars *v)
static inline void red_end_of_idle_period(struct red_vars *v)
{
- v->qidlestart.tv64 = 0;
+ v->qidlestart = 0;
}
static inline void red_restart(struct red_vars *v)
diff --git a/include/net/sock.h b/include/net/sock.h
index 282d065e286b..f0e867f58722 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2193,8 +2193,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
*/
if (sock_flag(sk, SOCK_RCVTSTAMP) ||
(sk->sk_tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) ||
- (kt.tv64 && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
- (hwtstamps->hwtstamp.tv64 &&
+ (kt && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) ||
+ (hwtstamps->hwtstamp &&
(sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
__sock_recv_timestamp(msg, sk, skb);
else
diff --git a/include/trace/events/alarmtimer.h b/include/trace/events/alarmtimer.h
index a1c108c16c9c..ae4f358dd8e9 100644
--- a/include/trace/events/alarmtimer.h
+++ b/include/trace/events/alarmtimer.h
@@ -31,7 +31,7 @@ TRACE_EVENT(alarmtimer_suspend,
),
TP_fast_assign(
- __entry->expires = expires.tv64;
+ __entry->expires = expires;
__entry->alarm_type = flag;
),
@@ -57,8 +57,8 @@ DECLARE_EVENT_CLASS(alarm_class,
TP_fast_assign(
__entry->alarm = alarm;
__entry->alarm_type = alarm->type;
- __entry->expires = alarm->node.expires.tv64;
- __entry->now = now.tv64;
+ __entry->expires = alarm->node.expires;
+ __entry->now = now;
),
TP_printk("alarmtimer:%p type:%s expires:%llu now:%llu",
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 28c5da6fdfac..1448637616d6 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -177,16 +177,14 @@ TRACE_EVENT(hrtimer_start,
TP_fast_assign(
__entry->hrtimer = hrtimer;
__entry->function = hrtimer->function;
- __entry->expires = hrtimer_get_expires(hrtimer).tv64;
- __entry->softexpires = hrtimer_get_softexpires(hrtimer).tv64;
+ __entry->expires = hrtimer_get_expires(hrtimer);
+ __entry->softexpires = hrtimer_get_softexpires(hrtimer);
),
TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu",
__entry->hrtimer, __entry->function,
- (unsigned long long)ktime_to_ns((ktime_t) {
- .tv64 = __entry->expires }),
- (unsigned long long)ktime_to_ns((ktime_t) {
- .tv64 = __entry->softexpires }))
+ (unsigned long long) __entry->expires,
+ (unsigned long long) __entry->softexpires)
);
/**
@@ -211,13 +209,13 @@ TRACE_EVENT(hrtimer_expire_entry,
TP_fast_assign(
__entry->hrtimer = hrtimer;
- __entry->now = now->tv64;
+ __entry->now = *now;
__entry->function = hrtimer->function;
),
TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function,
- (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now }))
- );
+ (unsigned long long) __entry->now)
+);
DECLARE_EVENT_CLASS(hrtimer_class,
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-13 13:53:54 +0200