cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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rt.h (1442B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_SCHED_RT_H
      3#define _LINUX_SCHED_RT_H
      4
      5#include <linux/sched.h>
      6
      7struct task_struct;
      8
      9static inline int rt_prio(int prio)
     10{
     11	if (unlikely(prio < MAX_RT_PRIO))
     12		return 1;
     13	return 0;
     14}
     15
     16static inline int rt_task(struct task_struct *p)
     17{
     18	return rt_prio(p->prio);
     19}
     20
     21static inline bool task_is_realtime(struct task_struct *tsk)
     22{
     23	int policy = tsk->policy;
     24
     25	if (policy == SCHED_FIFO || policy == SCHED_RR)
     26		return true;
     27	if (policy == SCHED_DEADLINE)
     28		return true;
     29	return false;
     30}
     31
     32#ifdef CONFIG_RT_MUTEXES
     33/*
     34 * Must hold either p->pi_lock or task_rq(p)->lock.
     35 */
     36static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *p)
     37{
     38	return p->pi_top_task;
     39}
     40extern void rt_mutex_setprio(struct task_struct *p, struct task_struct *pi_task);
     41extern void rt_mutex_adjust_pi(struct task_struct *p);
     42static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
     43{
     44	return tsk->pi_blocked_on != NULL;
     45}
     46#else
     47static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *task)
     48{
     49	return NULL;
     50}
     51# define rt_mutex_adjust_pi(p)		do { } while (0)
     52static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
     53{
     54	return false;
     55}
     56#endif
     57
     58extern void normalize_rt_tasks(void);
     59
     60
     61/*
     62 * default timeslice is 100 msecs (used only for SCHED_RR tasks).
     63 * Timeslices get refilled after they expire.
     64 */
     65#define RR_TIMESLICE		(100 * HZ / 1000)
     66
     67#endif /* _LINUX_SCHED_RT_H */