Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2
3/*
4 * SCHED_DEADLINE tasks has negative priorities, reflecting
5 * the fact that any of them has higher prio than RT and
6 * NORMAL/BATCH tasks.
7 */
8
9#include <linux/sched.h>
10
11#define MAX_DL_PRIO 0
12
13static inline int dl_prio(int prio)
14{
15 if (unlikely(prio < MAX_DL_PRIO))
16 return 1;
17 return 0;
18}
19
20static inline int dl_task(struct task_struct *p)
21{
22 return dl_prio(p->prio);
23}
24
25static inline bool dl_time_before(u64 a, u64 b)
26{
27 return (s64)(a - b) < 0;
28}
29
30#ifdef CONFIG_SMP
31
32struct root_domain;
33extern void dl_add_task_root_domain(struct task_struct *p);
34extern void dl_clear_root_domain(struct root_domain *rd);
35
36#endif /* CONFIG_SMP */