diff options
Diffstat (limited to 'include/linux/hrtimer.h')
-rw-r--r-- | include/linux/hrtimer.h | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 3eba43878dcb..bd37078c2d7d 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h | |||
@@ -43,26 +43,6 @@ enum hrtimer_restart { | |||
43 | }; | 43 | }; |
44 | 44 | ||
45 | /* | 45 | /* |
46 | * hrtimer callback modes: | ||
47 | * | ||
48 | * HRTIMER_CB_SOFTIRQ: Callback must run in softirq context | ||
49 | * HRTIMER_CB_IRQSAFE_PERCPU: Callback must run in hardirq context | ||
50 | * Special mode for tick emulation and | ||
51 | * scheduler timer. Such timers are per | ||
52 | * cpu and not allowed to be migrated on | ||
53 | * cpu unplug. | ||
54 | * HRTIMER_CB_IRQSAFE_UNLOCKED: Callback should run in hardirq context | ||
55 | * with timer->base lock unlocked | ||
56 | * used for timers which call wakeup to | ||
57 | * avoid lock order problems with rq->lock | ||
58 | */ | ||
59 | enum hrtimer_cb_mode { | ||
60 | HRTIMER_CB_SOFTIRQ, | ||
61 | HRTIMER_CB_IRQSAFE_PERCPU, | ||
62 | HRTIMER_CB_IRQSAFE_UNLOCKED, | ||
63 | }; | ||
64 | |||
65 | /* | ||
66 | * Values to track state of the timer | 46 | * Values to track state of the timer |
67 | * | 47 | * |
68 | * Possible states: | 48 | * Possible states: |
@@ -70,7 +50,6 @@ enum hrtimer_cb_mode { | |||
70 | * 0x00 inactive | 50 | * 0x00 inactive |
71 | * 0x01 enqueued into rbtree | 51 | * 0x01 enqueued into rbtree |
72 | * 0x02 callback function running | 52 | * 0x02 callback function running |
73 | * 0x04 callback pending (high resolution mode) | ||
74 | * | 53 | * |
75 | * Special cases: | 54 | * Special cases: |
76 | * 0x03 callback function running and enqueued | 55 | * 0x03 callback function running and enqueued |
@@ -92,8 +71,7 @@ enum hrtimer_cb_mode { | |||
92 | #define HRTIMER_STATE_INACTIVE 0x00 | 71 | #define HRTIMER_STATE_INACTIVE 0x00 |
93 | #define HRTIMER_STATE_ENQUEUED 0x01 | 72 | #define HRTIMER_STATE_ENQUEUED 0x01 |
94 | #define HRTIMER_STATE_CALLBACK 0x02 | 73 | #define HRTIMER_STATE_CALLBACK 0x02 |
95 | #define HRTIMER_STATE_PENDING 0x04 | 74 | #define HRTIMER_STATE_MIGRATE 0x04 |
96 | #define HRTIMER_STATE_MIGRATE 0x08 | ||
97 | 75 | ||
98 | /** | 76 | /** |
99 | * struct hrtimer - the basic hrtimer structure | 77 | * struct hrtimer - the basic hrtimer structure |
@@ -109,8 +87,6 @@ enum hrtimer_cb_mode { | |||
109 | * @function: timer expiry callback function | 87 | * @function: timer expiry callback function |
110 | * @base: pointer to the timer base (per cpu and per clock) | 88 | * @base: pointer to the timer base (per cpu and per clock) |
111 | * @state: state information (See bit values above) | 89 | * @state: state information (See bit values above) |
112 | * @cb_mode: high resolution timer feature to select the callback execution | ||
113 | * mode | ||
114 | * @cb_entry: list head to enqueue an expired timer into the callback list | 90 | * @cb_entry: list head to enqueue an expired timer into the callback list |
115 | * @start_site: timer statistics field to store the site where the timer | 91 | * @start_site: timer statistics field to store the site where the timer |
116 | * was started | 92 | * was started |
@@ -129,7 +105,6 @@ struct hrtimer { | |||
129 | struct hrtimer_clock_base *base; | 105 | struct hrtimer_clock_base *base; |
130 | unsigned long state; | 106 | unsigned long state; |
131 | struct list_head cb_entry; | 107 | struct list_head cb_entry; |
132 | enum hrtimer_cb_mode cb_mode; | ||
133 | #ifdef CONFIG_TIMER_STATS | 108 | #ifdef CONFIG_TIMER_STATS |
134 | int start_pid; | 109 | int start_pid; |
135 | void *start_site; | 110 | void *start_site; |
@@ -188,15 +163,11 @@ struct hrtimer_clock_base { | |||
188 | * @check_clocks: Indictator, when set evaluate time source and clock | 163 | * @check_clocks: Indictator, when set evaluate time source and clock |
189 | * event devices whether high resolution mode can be | 164 | * event devices whether high resolution mode can be |
190 | * activated. | 165 | * activated. |
191 | * @cb_pending: Expired timers are moved from the rbtree to this | ||
192 | * list in the timer interrupt. The list is processed | ||
193 | * in the softirq. | ||
194 | * @nr_events: Total number of timer interrupt events | 166 | * @nr_events: Total number of timer interrupt events |
195 | */ | 167 | */ |
196 | struct hrtimer_cpu_base { | 168 | struct hrtimer_cpu_base { |
197 | spinlock_t lock; | 169 | spinlock_t lock; |
198 | struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; | 170 | struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; |
199 | struct list_head cb_pending; | ||
200 | #ifdef CONFIG_HIGH_RES_TIMERS | 171 | #ifdef CONFIG_HIGH_RES_TIMERS |
201 | ktime_t expires_next; | 172 | ktime_t expires_next; |
202 | int hres_active; | 173 | int hres_active; |
@@ -404,8 +375,7 @@ static inline int hrtimer_active(const struct hrtimer *timer) | |||
404 | */ | 375 | */ |
405 | static inline int hrtimer_is_queued(struct hrtimer *timer) | 376 | static inline int hrtimer_is_queued(struct hrtimer *timer) |
406 | { | 377 | { |
407 | return timer->state & | 378 | return timer->state & HRTIMER_STATE_ENQUEUED; |
408 | (HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING); | ||
409 | } | 379 | } |
410 | 380 | ||
411 | /* | 381 | /* |