vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_SCHED_DEADLINE_H
|
|
#define _LINUX_SCHED_DEADLINE_H
|
|
|
|
/*
|
|
* SCHED_DEADLINE tasks has negative priorities, reflecting
|
|
* the fact that any of them has higher prio than RT and
|
|
* NORMAL/BATCH tasks.
|
|
*/
|
|
|
|
#include <linux/sched.h>
|
|
|
|
static inline bool dl_prio(int prio)
|
|
{
|
|
return unlikely(prio < MAX_DL_PRIO);
|
|
}
|
|
|
|
/*
|
|
* Returns true if a task has a priority that belongs to DL class. PI-boosted
|
|
* tasks will return true. Use dl_policy() to ignore PI-boosted tasks.
|
|
*/
|
|
static inline bool dl_task(struct task_struct *p)
|
|
{
|
|
return dl_prio(p->prio);
|
|
}
|
|
|
|
static inline bool dl_time_before(u64 a, u64 b)
|
|
{
|
|
return (s64)(a - b) < 0;
|
|
}
|
|
|
|
struct root_domain;
|
|
extern void dl_add_task_root_domain(struct task_struct *p);
|
|
extern void dl_clear_root_domain(struct root_domain *rd);
|
|
extern void dl_clear_root_domain_cpu(int cpu);
|
|
/*
|
|
* Return whether moving DL task @p to @new_mask requires moving DL
|
|
* bandwidth accounting between root domains. This helper is specific to
|
|
* DL bandwidth move accounting semantics and is shared by
|
|
* cpuset_can_attach() and set_cpus_allowed_dl() so both paths use the
|
|
* same source root-domain test.
|
|
*/
|
|
extern bool dl_task_needs_bw_move(struct task_struct *p,
|
|
const struct cpumask *new_mask);
|
|
|
|
extern u64 dl_cookie;
|
|
extern bool dl_bw_visited(int cpu, u64 cookie);
|
|
|
|
static inline bool dl_server(struct sched_dl_entity *dl_se)
|
|
{
|
|
return dl_se->dl_server;
|
|
}
|
|
|
|
static inline struct task_struct *dl_task_of(struct sched_dl_entity *dl_se)
|
|
{
|
|
BUG_ON(dl_server(dl_se));
|
|
return container_of(dl_se, struct task_struct, dl);
|
|
}
|
|
|
|
/*
|
|
* Regarding the deadline, a task with implicit deadline has a relative
|
|
* deadline == relative period. A task with constrained deadline has a
|
|
* relative deadline <= relative period.
|
|
*
|
|
* We support constrained deadline tasks. However, there are some restrictions
|
|
* applied only for tasks which do not have an implicit deadline. See
|
|
* update_dl_entity() to know more about such restrictions.
|
|
*
|
|
* The dl_is_implicit() returns true if the task has an implicit deadline.
|
|
*/
|
|
static inline bool dl_is_implicit(struct sched_dl_entity *dl_se)
|
|
{
|
|
return dl_se->dl_deadline == dl_se->dl_period;
|
|
}
|
|
|
|
#endif /* _LINUX_SCHED_DEADLINE_H */
|