FM / sched

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/linux/sched/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/linux/sched

Name	Size	Mode	Actions
autogroup.h	1229	0644	edit dl rm
clock.h	2506	0644	edit dl rm
coredump.h	3241	0644	edit dl rm
cpufreq.h	910	0644	edit dl rm
cputime.h	5349	0644	edit dl rm
deadline.h	652	0644	edit dl rm
debug.h	1439	0644	edit dl rm
hotplug.h	664	0644	edit dl rm
idle.h	1890	0644	edit dl rm
init.h	240	0644	edit dl rm
isolation.h	1823	0644	edit dl rm
jobctl.h	1752	0644	edit dl rm
loadavg.h	1588	0644	edit dl rm
mm.h	12697	0644	edit dl rm
nohz.h	907	0644	edit dl rm
numa_balancing.h	1292	0644	edit dl rm
prio.h	1754	0644	edit dl rm
rt.h	1259	0644	edit dl rm
signal.h	21112	0644	edit dl rm
smt.h	415	0644	edit dl rm
stat.h	967	0644	edit dl rm
sysctl.h	2860	0644	edit dl rm
task.h	5478	0644	edit dl rm
task_stack.h	3053	0644	edit dl rm
topology.h	7071	0644	edit dl rm
types.h	683	0644	edit dl rm
user.h	2049	0644	edit dl rm
wake_q.h	2272	0644	edit dl rm
xacct.h	854	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/linux/sched/idle.h (1890B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_IDLE_H
#define _LINUX_SCHED_IDLE_H

#include <linux/sched.h>

enum cpu_idle_type {
	CPU_IDLE,
	CPU_NOT_IDLE,
	CPU_NEWLY_IDLE,
	CPU_MAX_IDLE_TYPES
};

#ifdef CONFIG_SMP
extern void wake_up_if_idle(int cpu);
#else
static inline void wake_up_if_idle(int cpu) { }
#endif

/*
 * Idle thread specific functions to determine the need_resched
 * polling state.
 */
#ifdef TIF_POLLING_NRFLAG

static inline void __current_set_polling(void)
{
	set_thread_flag(TIF_POLLING_NRFLAG);
}

static inline bool __must_check current_set_polling_and_test(void)
{
	__current_set_polling();

/*
	 * Polling state must be visible before we test NEED_RESCHED,
	 * paired by resched_curr()
	 */
	smp_mb__after_atomic();

return unlikely(tif_need_resched());
}

static inline void __current_clr_polling(void)
{
	clear_thread_flag(TIF_POLLING_NRFLAG);
}

static inline bool __must_check current_clr_polling_and_test(void)
{
	__current_clr_polling();

/*
	 * Polling state must be visible before we test NEED_RESCHED,
	 * paired by resched_curr()
	 */
	smp_mb__after_atomic();

return unlikely(tif_need_resched());
}

#else
static inline void __current_set_polling(void) { }
static inline void __current_clr_polling(void) { }

static inline bool __must_check current_set_polling_and_test(void)
{
	return unlikely(tif_need_resched());
}
static inline bool __must_check current_clr_polling_and_test(void)
{
	return unlikely(tif_need_resched());
}
#endif

static inline void current_clr_polling(void)
{
	__current_clr_polling();

/*
	 * Ensure we check TIF_NEED_RESCHED after we clear the polling bit.
	 * Once the bit is cleared, we'll get IPIs with every new
	 * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also
	 * fold.
	 */
	smp_mb(); /* paired with resched_curr() */

preempt_fold_need_resched();
}

#endif /* _LINUX_SCHED_IDLE_H */

/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_SCHED_IDLE_H #define _LINUX_SCHED_IDLE_H #include enum cpu_idle_type { CPU_IDLE, CPU_NOT_IDLE, CPU_NEWLY_IDLE, CPU_MAX_IDLE_TYPES }; #ifdef CONFIG_SMP extern void wake_up_if_idle(int cpu); #else static inline void wake_up_if_idle(int cpu) { } #endif /* * Idle thread specific functions to determine the need_resched * polling state. */ #ifdef TIF_POLLING_NRFLAG static inline void __current_set_polling(void) { set_thread_flag(TIF_POLLING_NRFLAG); } static inline bool __must_check current_set_polling_and_test(void) { __current_set_polling(); /* * Polling state must be visible before we test NEED_RESCHED, * paired by resched_curr() */ smp_mb__after_atomic(); return unlikely(tif_need_resched()); } static inline void __current_clr_polling(void) { clear_thread_flag(TIF_POLLING_NRFLAG); } static inline bool __must_check current_clr_polling_and_test(void) { __current_clr_polling(); /* * Polling state must be visible before we test NEED_RESCHED, * paired by resched_curr() */ smp_mb__after_atomic(); return unlikely(tif_need_resched()); } #else static inline void __current_set_polling(void) { } static inline void __current_clr_polling(void) { } static inline bool __must_check current_set_polling_and_test(void) { return unlikely(tif_need_resched()); } static inline bool __must_check current_clr_polling_and_test(void) { return unlikely(tif_need_resched()); } #endif static inline void current_clr_polling(void) { __current_clr_polling(); /* * Ensure we check TIF_NEED_RESCHED after we clear the polling bit. * Once the bit is cleared, we'll get IPIs with every new * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also * fold. */ smp_mb(); /* paired with resched_curr() */ preempt_fold_need_resched(); } #endif /* _LINUX_SCHED_IDLE_H */