tools/lib/lockdep: Remove private kernel headers

Move to using tools/include/ instead.

Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@redhat.com
Link: http://lkml.kernel.org/r/20170531003747.10557-2-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

34 files changed, 3 insertions, 410 deletions

diff --git a/tools/lib/lockdep/lockdep.c b/tools/lib/lockdep/lockdep.c
index 209f967dedaa..ced6d7443cea 100644
--- a/tools/lib/lockdep/lockdep.c
+++ b/tools/lib/lockdep/lockdep.c
@@ -5,6 +5,8 @@
 #define hlist_for_each_entry_rcu        hlist_for_each_entry
 #define hlist_add_head_rcu              hlist_add_head
 #define hlist_del_rcu                   hlist_del
+#define list_for_each_entry_rcu         list_for_each_entry
+#define list_add_tail_rcu               list_add_tail
 
 u32 prandom_u32(void)
 {
diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c
index 226aa26198a9..6a2d3c5d4e92 100644
--- a/tools/lib/lockdep/preload.c
+++ b/tools/lib/lockdep/preload.c
@@ -123,8 +123,6 @@ static struct rb_node **__get_lock_node(void *lock, struct rb_node **parent)
 #define LIBLOCKDEP_STATIC_ENTRIES       1024
 #endif
 
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
 static struct lock_lookup __locks[LIBLOCKDEP_STATIC_ENTRIES];
 static int __locks_nr;
 
diff --git a/tools/lib/lockdep/rbtree.c b/tools/lib/lockdep/rbtree.c
index f7f43033c8b7..297c304571f8 100644
--- a/tools/lib/lockdep/rbtree.c
+++ b/tools/lib/lockdep/rbtree.c
@@ -1 +1 @@
-#include "../../../lib/rbtree.c"
+#include "../../lib/rbtree.c"
diff --git a/tools/lib/lockdep/uinclude/asm/hash.h b/tools/lib/lockdep/uinclude/asm/hash.h
deleted file mode 100644
index d82b170bb216..000000000000
--- a/tools/lib/lockdep/uinclude/asm/hash.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_GENERIC_HASH_H
-#define __ASM_GENERIC_HASH_H
-
-/* Stub */
-
-#endif /* __ASM_GENERIC_HASH_H */
diff --git a/tools/lib/lockdep/uinclude/asm/hweight.h b/tools/lib/lockdep/uinclude/asm/hweight.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/asm/hweight.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/asm/sections.h b/tools/lib/lockdep/uinclude/asm/sections.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/asm/sections.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/compiler.h b/tools/lib/lockdep/uinclude/linux/compiler.h
deleted file mode 100644
index fba5e022cee7..000000000000
--- a/tools/lib/lockdep/uinclude/linux/compiler.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_COMPILER_H_
-#define _LIBLOCKDEP_LINUX_COMPILER_H_
-
-#define __used          __attribute__((__unused__))
-#define unlikely
-#define READ_ONCE(x) (x)
-#define WRITE_ONCE(x, val) x=(val)
-#define RCU_INIT_POINTER(p, v) p=(v)
-
-#define __packed        __attribute__((packed))
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/debug_locks.h b/tools/lib/lockdep/uinclude/linux/debug_locks.h
deleted file mode 100644
index 1d4fbec5c649..000000000000
--- a/tools/lib/lockdep/uinclude/linux/debug_locks.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef _LIBLOCKDEP_DEBUG_LOCKS_H_
-#define _LIBLOCKDEP_DEBUG_LOCKS_H_
-
-#include <stddef.h>
-#include <linux/compiler.h>
-
-#define DEBUG_LOCKS_WARN_ON(x) WARN_ON(x)
-
-extern bool debug_locks;
-extern bool debug_locks_silent;
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/delay.h b/tools/lib/lockdep/uinclude/linux/delay.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/delay.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/ftrace.h b/tools/lib/lockdep/uinclude/linux/ftrace.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/ftrace.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/gfp.h b/tools/lib/lockdep/uinclude/linux/gfp.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/gfp.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/hardirq.h b/tools/lib/lockdep/uinclude/linux/hardirq.h
deleted file mode 100644
index c8f3f8f58729..000000000000
--- a/tools/lib/lockdep/uinclude/linux/hardirq.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_HARDIRQ_H_
-#define _LIBLOCKDEP_LINUX_HARDIRQ_H_
-
-#define SOFTIRQ_BITS    0UL
-#define HARDIRQ_BITS    0UL
-#define SOFTIRQ_SHIFT   0UL
-#define HARDIRQ_SHIFT   0UL
-#define hardirq_count() 0UL
-#define softirq_count() 0UL
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/hash.h b/tools/lib/lockdep/uinclude/linux/hash.h
deleted file mode 100644
index 0f8479858dc0..000000000000
--- a/tools/lib/lockdep/uinclude/linux/hash.h
+++ /dev/null
@@ -1 +0,0 @@
-#include "../../../include/linux/hash.h"
diff --git a/tools/lib/lockdep/uinclude/linux/interrupt.h b/tools/lib/lockdep/uinclude/linux/interrupt.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/interrupt.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/irqflags.h b/tools/lib/lockdep/uinclude/linux/irqflags.h
deleted file mode 100644
index df77669cfe1c..000000000000
--- a/tools/lib/lockdep/uinclude/linux/irqflags.h
+++ /dev/null
@@ -1,38 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
-#define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_
-
-# define trace_hardirq_context(p)       0
-# define trace_softirq_context(p)       0
-# define trace_hardirqs_enabled(p)      0
-# define trace_softirqs_enabled(p)      0
-# define trace_hardirq_enter()          do { } while (0)
-# define trace_hardirq_exit()           do { } while (0)
-# define lockdep_softirq_enter()        do { } while (0)
-# define lockdep_softirq_exit()         do { } while (0)
-# define INIT_TRACE_IRQFLAGS
-
-# define stop_critical_timings() do { } while (0)
-# define start_critical_timings() do { } while (0)
-
-#define raw_local_irq_disable() do { } while (0)
-#define raw_local_irq_enable() do { } while (0)
-#define raw_local_irq_save(flags) ((flags) = 0)
-#define raw_local_irq_restore(flags) ((void)(flags))
-#define raw_local_save_flags(flags) ((flags) = 0)
-#define raw_irqs_disabled_flags(flags) ((void)(flags))
-#define raw_irqs_disabled() 0
-#define raw_safe_halt()
-
-#define local_irq_enable() do { } while (0)
-#define local_irq_disable() do { } while (0)
-#define local_irq_save(flags) ((flags) = 0)
-#define local_irq_restore(flags) ((void)(flags))
-#define local_save_flags(flags) ((flags) = 0)
-#define irqs_disabled() (1)
-#define irqs_disabled_flags(flags) ((void)(flags), 0)
-#define safe_halt() do { } while (0)
-
-#define trace_lock_release(x, y)
-#define trace_lock_acquire(a, b, c, d, e, f, g)
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/kallsyms.h b/tools/lib/lockdep/uinclude/linux/kallsyms.h
deleted file mode 100644
index 582cc1e5f3a4..000000000000
--- a/tools/lib/lockdep/uinclude/linux/kallsyms.h
+++ /dev/null
@@ -1,33 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_KALLSYMS_H_
-#define _LIBLOCKDEP_LINUX_KALLSYMS_H_
-
-#include <linux/kernel.h>
-#include <stdio.h>
-#include <unistd.h>
-
-#define KSYM_NAME_LEN 128
-
-struct module;
-
-static inline const char *kallsyms_lookup(unsigned long addr,
-                                          unsigned long *symbolsize,
-                                          unsigned long *offset,
-                                          char **modname, char *namebuf)
-{
-        return NULL;
-}
-
-#include <execinfo.h>
-#include <stdlib.h>
-static inline void print_ip_sym(unsigned long ip)
-{
-        char **name;
-
-        name = backtrace_symbols((void **)&ip, 1);
-
-        dprintf(STDOUT_FILENO, "%s\n", *name);
-
-        free(name);
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/kern_levels.h b/tools/lib/lockdep/uinclude/linux/kern_levels.h
deleted file mode 100644
index 3b9bade28698..000000000000
--- a/tools/lib/lockdep/uinclude/linux/kern_levels.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef __KERN_LEVELS_H__
-#define __KERN_LEVELS_H__
-
-#define KERN_SOH        ""              /* ASCII Start Of Header */
-#define KERN_SOH_ASCII  ''
-
-#define KERN_EMERG      KERN_SOH ""     /* system is unusable */
-#define KERN_ALERT      KERN_SOH ""     /* action must be taken immediately */
-#define KERN_CRIT       KERN_SOH ""     /* critical conditions */
-#define KERN_ERR        KERN_SOH ""     /* error conditions */
-#define KERN_WARNING    KERN_SOH ""     /* warning conditions */
-#define KERN_NOTICE     KERN_SOH ""     /* normal but significant condition */
-#define KERN_INFO       KERN_SOH ""     /* informational */
-#define KERN_DEBUG      KERN_SOH ""     /* debug-level messages */
-
-#define KERN_DEFAULT    KERN_SOH ""     /* the default kernel loglevel */
-
-/*
- * Annotation for a "continued" line of log printout (only done after a
- * line that had no enclosing \n). Only to be used by core/arch code
- * during early bootup (a continued line is not SMP-safe otherwise).
- */
-#define KERN_CONT       ""
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/kernel.h b/tools/lib/lockdep/uinclude/linux/kernel.h
deleted file mode 100644
index 4a31ebe1a377..000000000000
--- a/tools/lib/lockdep/uinclude/linux/kernel.h
+++ /dev/null
@@ -1,61 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_KERNEL_H_
-#define _LIBLOCKDEP_LINUX_KERNEL_H_
-
-#include <linux/export.h>
-#include <linux/types.h>
-#include <linux/rcu.h>
-#include <linux/hardirq.h>
-#include <linux/kern_levels.h>
-#include <linux/err.h>
-
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
-#ifndef container_of
-#define container_of(ptr, type, member) ({                      \
-        const typeof(((type *)0)->member) * __mptr = (ptr);     \
-        (type *)((char *)__mptr - offsetof(type, member)); })
-#endif
-
-#define max(x, y) ({                            \
-        typeof(x) _max1 = (x);                  \
-        typeof(y) _max2 = (y);                  \
-        (void) (&_max1 == &_max2);              \
-        _max1 > _max2 ? _max1 : _max2; })
-
-#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
-
-static inline int lockdep_warn(int condition)
-{
-        return condition;
-}
-#define WARN_ON(x) lockdep_warn(x)
-#define WARN_ON_ONCE(x) WARN_ON(x)
-#define WARN(x, y...) WARN_ON(x)
-
-#define likely(x) (x)
-#define uninitialized_var(x) x
-#define __init
-#define noinline
-#define list_add_tail_rcu list_add_tail
-#define list_for_each_entry_rcu list_for_each_entry
-#define barrier() 
-#define synchronize_sched()
-
-#ifndef CALLER_ADDR0
-#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
-#endif
-
-#ifndef _RET_IP_
-#define _RET_IP_ CALLER_ADDR0
-#endif
-
-#ifndef _THIS_IP_
-#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
-#endif
-
-#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
-#define pr_warn pr_err
-
-#define current_gfp_context(k) 0
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/kmemcheck.h b/tools/lib/lockdep/uinclude/linux/kmemcheck.h
deleted file mode 100644
index 94d598bc6abe..000000000000
--- a/tools/lib/lockdep/uinclude/linux/kmemcheck.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_KMEMCHECK_H_
-#define _LIBLOCKDEP_LINUX_KMEMCHECK_H_
-
-static inline void kmemcheck_mark_initialized(void *address, unsigned int n)
-{
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/linkage.h b/tools/lib/lockdep/uinclude/linux/linkage.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/linkage.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/list.h b/tools/lib/lockdep/uinclude/linux/list.h
deleted file mode 100644
index 6e9ef31ed82e..000000000000
--- a/tools/lib/lockdep/uinclude/linux/list.h
+++ /dev/null
@@ -1 +0,0 @@
-#include "../../../include/linux/list.h"
diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h
deleted file mode 100644
index f026d4545e97..000000000000
--- a/tools/lib/lockdep/uinclude/linux/lockdep.h
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef _LIBLOCKDEP_LOCKDEP_H_
-#define _LIBLOCKDEP_LOCKDEP_H_
-
-#include <sys/prctl.h>
-#include <sys/syscall.h>
-#include <string.h>
-#include <limits.h>
-#include <linux/utsname.h>
-#include <linux/compiler.h>
-#include <unistd.h>
-
-#define MAX_LOCK_DEPTH 63UL
-
-#define asmlinkage
-#define __visible
-
-#include "../../../include/linux/lockdep.h"
-
-struct task_struct {
-        u64 curr_chain_key;
-        int lockdep_depth;
-        unsigned int lockdep_recursion;
-        struct held_lock held_locks[MAX_LOCK_DEPTH];
-        gfp_t lockdep_reclaim_gfp;
-        int pid;
-        char comm[17];
-};
-
-extern struct task_struct *__curr(void);
-
-#define current (__curr())
-
-static inline int debug_locks_off(void)
-{
-        return 1;
-}
-
-#define task_pid_nr(tsk) ((tsk)->pid)
-
-#define KSYM_NAME_LEN 128
-#define printk(...) dprintf(STDOUT_FILENO, __VA_ARGS__)
-
-#define list_del_rcu list_del
-
-#define atomic_t unsigned long
-#define atomic_inc(x) ((*(x))++)
-
-#define print_tainted() ""
-#define static_obj(x) 1
-
-#define debug_show_all_locks()
-extern void debug_check_no_locks_held(void);
-
-static __used bool __is_kernel_percpu_address(unsigned long addr, void *can_addr)
-{
-        return false;
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/module.h b/tools/lib/lockdep/uinclude/linux/module.h
deleted file mode 100644
index 07055db296f3..000000000000
--- a/tools/lib/lockdep/uinclude/linux/module.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_MODULE_H_
-#define _LIBLOCKDEP_LINUX_MODULE_H_
-
-#define module_param(name, type, perm)
-
-static inline bool __is_module_percpu_address(unsigned long addr, unsigned long *can_addr)
-{
-        return false;
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/mutex.h b/tools/lib/lockdep/uinclude/linux/mutex.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/mutex.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/poison.h b/tools/lib/lockdep/uinclude/linux/poison.h
deleted file mode 100644
index 0c27bdf14233..000000000000
--- a/tools/lib/lockdep/uinclude/linux/poison.h
+++ /dev/null
@@ -1 +0,0 @@
-#include "../../../include/linux/poison.h"
diff --git a/tools/lib/lockdep/uinclude/linux/prefetch.h b/tools/lib/lockdep/uinclude/linux/prefetch.h
deleted file mode 100644
index d73fe6f850ac..000000000000
--- a/tools/lib/lockdep/uinclude/linux/prefetch.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_PREFETCH_H_
-#define _LIBLOCKDEP_LINUX_PREFETCH_H
-
-static inline void prefetch(void *a __attribute__((unused))) { }
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/proc_fs.h b/tools/lib/lockdep/uinclude/linux/proc_fs.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/proc_fs.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h b/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h
deleted file mode 100644
index c3759477379c..000000000000
--- a/tools/lib/lockdep/uinclude/linux/rbtree_augmented.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define __always_inline
-#include "../../../include/linux/rbtree_augmented.h"
diff --git a/tools/lib/lockdep/uinclude/linux/rcu.h b/tools/lib/lockdep/uinclude/linux/rcu.h
deleted file mode 100644
index 6f0332324a6d..000000000000
--- a/tools/lib/lockdep/uinclude/linux/rcu.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef _LIBLOCKDEP_RCU_H_
-#define _LIBLOCKDEP_RCU_H_
-
-int rcu_scheduler_active;
-
-static inline int rcu_lockdep_current_cpu_online(void)
-{
-        return 1;
-}
-
-static inline int rcu_is_cpu_idle(void)
-{
-        return 1;
-}
-
-static inline bool rcu_is_watching(void)
-{
-        return false;
-}
-
-#define rcu_assign_pointer(p, v) ((p) = (v))
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/seq_file.h b/tools/lib/lockdep/uinclude/linux/seq_file.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/seq_file.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-
diff --git a/tools/lib/lockdep/uinclude/linux/spinlock.h b/tools/lib/lockdep/uinclude/linux/spinlock.h
deleted file mode 100644
index 68c1aa2bcba5..000000000000
--- a/tools/lib/lockdep/uinclude/linux/spinlock.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#ifndef _LIBLOCKDEP_SPINLOCK_H_
-#define _LIBLOCKDEP_SPINLOCK_H_
-
-#include <pthread.h>
-#include <stdbool.h>
-
-#define arch_spinlock_t pthread_mutex_t
-#define __ARCH_SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
-
-static inline void arch_spin_lock(arch_spinlock_t *mutex)
-{
-        pthread_mutex_lock(mutex);
-}
-
-static inline void arch_spin_unlock(arch_spinlock_t *mutex)
-{
-        pthread_mutex_unlock(mutex);
-}
-
-static inline bool arch_spin_is_locked(arch_spinlock_t *mutex)
-{
-        return true;
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/stacktrace.h b/tools/lib/lockdep/uinclude/linux/stacktrace.h
deleted file mode 100644
index 39aecc6b19d1..000000000000
--- a/tools/lib/lockdep/uinclude/linux/stacktrace.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_STACKTRACE_H_
-#define _LIBLOCKDEP_LINUX_STACKTRACE_H_
-
-#include <execinfo.h>
-
-struct stack_trace {
-        unsigned int nr_entries, max_entries;
-        unsigned long *entries;
-        int skip;
-};
-
-static inline void print_stack_trace(struct stack_trace *trace, int spaces)
-{
-        backtrace_symbols_fd((void **)trace->entries, trace->nr_entries, 1);
-}
-
-#define save_stack_trace(trace) \
-        ((trace)->nr_entries =  \
-                backtrace((void **)(trace)->entries, (trace)->max_entries))
-
-static inline int dump_stack(void)
-{
-        void *array[64];
-        size_t size;
-
-        size = backtrace(array, 64);
-        backtrace_symbols_fd(array, size, 1);
-
-        return 0;
-}
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/linux/stringify.h b/tools/lib/lockdep/uinclude/linux/stringify.h
deleted file mode 100644
index 05dfcd1ac118..000000000000
--- a/tools/lib/lockdep/uinclude/linux/stringify.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _LIBLOCKDEP_LINUX_STRINGIFY_H_
-#define _LIBLOCKDEP_LINUX_STRINGIFY_H_
-
-#define __stringify_1(x...)     #x
-#define __stringify(x...)       __stringify_1(x)
-
-#endif
diff --git a/tools/lib/lockdep/uinclude/trace/events/lock.h b/tools/lib/lockdep/uinclude/trace/events/lock.h
deleted file mode 100644
index fab00ff936d1..000000000000
--- a/tools/lib/lockdep/uinclude/trace/events/lock.h
+++ /dev/null
@@ -1,3 +0,0 @@
-
-/* empty file */
-