no
     ˆÈÇ145Æ¾Ä  ‘    /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BTRFS_H
#define _LINUX_BTRFS_H

#include <uapi/linux/btrfs.h>

#endif /* _LINUX_BTRFS_H */
     ˆÈÇ603Æ¾Ä [    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * Clang Control Flow Integrity (CFI) support.
 *
 * Copyright (C) 2021 Google LLC
 */
#ifndef _LINUX_CFI_H
#define _LINUX_CFI_H

#include <asm/cfi.h>

#ifndef cfi_get_offset
static inline int cfi_get_offset(void)
{
	return 0;
}
#endif

#ifdef CONFIG_CFI_CLANG
typedef void (*cfi_check_fn)(uint64_t id, void *ptr, void *diag);

/* Compiler-generated function in each module, and the kernel */
extern void __cfi_check(uint64_t id, void *ptr, void *diag);

#endif /* CONFIG_CFI_CLANG */

#ifndef CFI_NOSEAL
#define CFI_NOSEAL(x)
#endif

#endif /* _LINUX_CFI_H */
      ˆl–Ým_J*j"Tâ€À½q—ÔÅ£È0¿Å     ˆÉÈ„mà€Ç¿Å ?÷     /*
 * Performance events:
 *
 *    Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
 *    Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar
 *    Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra
 *
 * Data type definitions, declarations, prototypes.
 *
 *    Started by: Thomas Gleixner and Ingo Molnar
 *
 * For licencing details see kernel-base/COPYING
 */
#ifndef _LINUX_PERF_EVENT_H
#define _LINUX_PERF_EVENT_H

#include <uapi/linux/perf_event.h>
#include <uapi/linux/bpf_perf_event.h>

/*
 * Kernel-internal data types and definitions:
 */

#ifdef CONFIG_PERF_EVENTS
# include <asm/perf_event.h>
# include <asm/local64.h>
#endif

#define PERF_GUEST_ACTIVE	0x01
#define PERF_GUEST_USER	0x02

struct perf_guest_info_callbacks {
	unsigned int			(*state)(void);
	unsigned long			(*get_ip)(void);
	unsigned int			(*handle_intel_pt_intr)(void);
};

#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <linux/rhashtable-types.h>
#include <asm/hw_breakpoint.h>
#endif

#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/spinlock.h>
#include <linux/hrtimer.h>
#include <linux/fs.h>
#include <linux/pid_namespace.h>
#include <linux/workqueue.h>
#include <linux/ftrace.h>
#include <linux/cpu.h>
#include <linux/irq_work.h>
#include <linux/static_key.h>
#include <linux/jump_label_ratelimit.h>
#include <linux/atomic.h>
#include <linux/sysfs.h>
#include <linux/perf_regs.h>
#include <linux/cgroup.h>
#include <linux/refcount.h>
#include <linux/security.h>
#include <linux/static_call.h>
#include <linux/lockdep.h>
#include <asm/local.h>

struct perf_callchain_entry {
	__u64				nr;
	__u64				ip[]; /* /proc/sys/kernel/perf_event_max_stack */
};

struct perf_callchain_entry_ctx {
	struct perf_callchain_entry *entry;
	u32			    max_stack;
	u32			    nr;
	short			    contexts;
	bool			    contexts_maxed;
};

typedef unsigned long (*perf_copy_f)(void *dst, const void *src,
				     unsigned long off, unsigned long len);

struct perf_raw_frag {
	union {
		struct perf_raw_frag	*next;
		unsigned long		pad;
	};
	perf_copy_f			copy;
	void				*data;
	u32				size;
} __packed;

struct perf_raw_record {
	struct perf_raw_frag		frag;
	u32				size;
};

static __always_inline bool perf_raw_frag_last(const struct perf_raw_frag *frag)
{
	return frag->pad < sizeof(u64);
}

/*
 * branch stack layout:
 *  nr: number of taken branches stored in entries[]
 *  hw_idx: The low level index of raw branch records
 *          for the most recent branch.
 *          -1ULL means invalid/unknown.
 *
 * Note that nr can vary from sample to sample
 * branches (to, from) are stored from most recent
 * to least recent, i.e., entries[0] contains the most
 * recent branch.
 * The entries[] is an abstraction of raw branch records,
 * which may not be stored in age order in HW, e.g. Intel LBR.
 * The hw_idx is to expose the low level index of raw
 * branch record for the most recent branch aka entries[0].
 * The hw_idx index is between -1 (unknown) and max depth,
 * which can be retrieved in /sys/devices/cpu/caps/branches.
 * For the architectures whose raw branch records are
 * already stored in age order, the hw_idx should be 0.
 */
struct perf_bran