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     ;ˆÆÅƒwÄ¿Ç 5    ;/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_TASK_WORK_H
#define _LINUX_TASK_WORK_H

#include <linux/list.h>
#include <linux/sched.h>

typedef void (*task_work_func_t)(struct callback_head *);

static inline void
init_task_work(struct callback_head *twork, task_work_func_t func)
{
	twork->func = func;
}

enum task_work_notify_mode {
	TWA_NONE,
	TWA_RESUME,
	TWA_SIGNAL,
	TWA_SIGNAL_NO_IPI,
	TWA_NMI_CURRENT,
};

static inline bool task_work_pending(struct task_struct *task)
{
	return READ_ONCE(task->task_works);
}

int task_work_add(struct task_struct *task, struct callback_head *twork,
			enum task_work_notify_mode mode);

struct callback_head *task_work_cancel_match(struct task_struct *task,
	bool (*match)(struct callback_head *, void *data), void *data);
struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t);
bool task_work_cancel(struct task_struct *task, struct callback_head *cb);
void task_work_run(void);

static inline void exit_task_work(struct task_struct *task)
{
	task_work_run();
}

#endif	/* _LINUX_TASK_WORK_H */
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     AˆÆÅ„n¸Ä¿Ç =    A/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_KERNEL_H
#define _LINUX_KERNEL_H

#include <linux/stdarg.h>
#include <linux/align.h>
#include <linux/array_size.h>
#include <linux/limits.h>
#include <linux/linkage.h>
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/container_of.h>
#include <linux/bitops.h>
#include <linux/kstrtox.h>
#include <linux/log2.h>
#include <linux/math.h>
#include <linux/minmax.h>
#include <linux/typecheck.h>
#include <linux/panic.h>
#include <linux/printk.h>
#include <linux/build_bug.h>
#include <linux/sprintf.h>
#include <linux/static_call_types.h>
#include <linux/instruction_pointer.h>
#include <asm/byteorder.h>

#include <uapi/linux/kernel.h>

#define STACK_MAGIC	0xdeadbeef

/**
 * REPEAT_BYTE - repeat the value @x multiple times as an unsigned long value
 * @x: value to repeat
 *
 * NOTE: @x is not checked for > 0xff; larger values produce odd results.
 */
#define REPEAT_BYTE(x)	((~0ul / 0xff) * (x))

/**
 * REPEAT_BYTE_U32 - repeat the value @x multiple times as a u32 value
 * @x: value to repeat
 *
 * NOTE: @x is not checked for > 0xff; larger values produce odd results.
 */
#define REPEAT_BYTE_U32(x)	lower_32_bits(REPEAT_BYTE(x))

/* generic data direction definitions */
#define READ			0
#define WRITE			1

#define PTR_IF(cond, ptr)	((cond) ? (ptr) : NULL)

#define u64_to_user_ptr(x) (		\
{					\
	typecheck(u64, (x));		\
	(void __user *)(uintptr_t)(x);	\
}					\
)

/**
 * upper_32_bits - return bits 32-63 of a number
 * @n: the number we're accessing
 *
 * A basic shift-right of a 64- or 32-bit quantity.  Use this to suppress
 * the "right shift count >= width of type" warning when that quantity is
 * 32-bits.
 */
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))

/**
 * lower_32_bits - return bits 0-31 of a number
 * @n: the number we're accessing
 */
#define lower_32_bits(n) ((u32)((n) & 0xffffffff))

/**
 * upper_16_bits - return bits 16-31 of a number
 * @n: the number we're accessing
 */
#define upper_16_bits(n) ((u16)((n) >> 16))

/**
 * lower_16_bits - return bits 0-15 of a number
 * @n: the number we're accessing
 */
#define lower_16_bits(n) ((u16)((n) & 0xffff))

struct completion;
struct user;

#ifdef CONFIG_PREEMPT_VOLUNTARY_BUILD

extern int __cond_resched(void);
# define might_resched() __cond_resched()

#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_CALL)

extern int __cond_resched(void);

DECLARE_STATIC_CALL(might_resched, __cond_resched);

static __always_inline void might_resched(void)
{
	static_call_mod(might_resched)();
}

#elif defined(CONFIG_PREEMPT_DYNAMIC) && defined(CONFIG_HAVE_PREEMPT_DYNAMIC_KEY)

extern int dynamic_might_resched(void);
# define might_resched() dynamic_might_resched()

#else

# define might_resched() do { } while (0)

#endif /* CONFIG_PREEM