Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Peter Zijlstra |
99 |
51.30% |
6 |
37.50% |
| Frédéric Weisbecker |
49 |
25.39% |
5 |
31.25% |
| Ingo Molnar |
18 |
9.33% |
1 |
6.25% |
| Steven Rostedt |
14 |
7.25% |
1 |
6.25% |
| Huang Ying |
11 |
5.70% |
1 |
6.25% |
| James Hogan |
1 |
0.52% |
1 |
6.25% |
| Greg Kroah-Hartman |
1 |
0.52% |
1 |
6.25% |
| Total |
193 |
|
16 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_IRQ_WORK_H
#define _LINUX_IRQ_WORK_H
#include <linux/smp_types.h>
/*
* An entry can be in one of four states:
*
* free NULL, 0 -> {claimed} : free to be used
* claimed NULL, 3 -> {pending} : claimed to be enqueued
* pending next, 3 -> {busy} : queued, pending callback
* busy NULL, 2 -> {free, claimed} : callback in progress, can be claimed
*/
struct irq_work {
union {
struct __call_single_node node;
struct {
struct llist_node llnode;
atomic_t flags;
};
};
void (*func)(struct irq_work *);
};
static inline
void init_irq_work(struct irq_work *work, void (*func)(struct irq_work *))
{
atomic_set(&work->flags, 0);
work->func = func;
}
#define DEFINE_IRQ_WORK(name, _f) struct irq_work name = { \
.flags = ATOMIC_INIT(0), \
.func = (_f) \
}
bool irq_work_queue(struct irq_work *work);
bool irq_work_queue_on(struct irq_work *work, int cpu);
void irq_work_tick(void);
void irq_work_sync(struct irq_work *work);
#ifdef CONFIG_IRQ_WORK
#include <asm/irq_work.h>
void irq_work_run(void);
bool irq_work_needs_cpu(void);
void irq_work_single(void *arg);
#else
static inline bool irq_work_needs_cpu(void) { return false; }
static inline void irq_work_run(void) { }
static inline void irq_work_single(void *arg) { }
#endif
#endif /* _LINUX_IRQ_WORK_H */