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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576/* SPDX-License-Identifier: GPL-2.0 */#ifndef __LINUX_DEBUG_LOCKING_H#define __LINUX_DEBUG_LOCKING_H
#include <linux/atomic.h>#include <linux/cache.h>
struct task_struct;
extern int debug_locks __read_mostly;extern int debug_locks_silent __read_mostly;
static __always_inline int __debug_locks_off(void){ return xchg(&debug_locks, 0);}
/* * Generic 'turn off all lock debugging' function: */extern int debug_locks_off(void);
#define DEBUG_LOCKS_WARN_ON(c) \({ \ int __ret = 0; \ \ if (!oops_in_progress && unlikely(c)) { \ instrumentation_begin(); \ if (debug_locks_off() && !debug_locks_silent) \ WARN(1, "DEBUG_LOCKS_WARN_ON(%s)", #c); \ instrumentation_end(); \ __ret = 1; \ } \ __ret; \})
#ifdef CONFIG_SMP# define SMP_DEBUG_LOCKS_WARN_ON(c) DEBUG_LOCKS_WARN_ON(c)#else# define SMP_DEBUG_LOCKS_WARN_ON(c) do { } while (0)#endif
#ifdef CONFIG_DEBUG_LOCKING_API_SELFTESTS extern void locking_selftest(void);#else# define locking_selftest() do { } while (0)#endif
#ifdef CONFIG_LOCKDEPextern void debug_show_all_locks(void);extern void debug_show_held_locks(struct task_struct *task);extern void debug_check_no_locks_freed(const void *from, unsigned long len);extern void debug_check_no_locks_held(void);#elsestatic inline void debug_show_all_locks(void){}
static inline void debug_show_held_locks(struct task_struct *task){}
static inline voiddebug_check_no_locks_freed(const void *from, unsigned long len){}
static inline voiddebug_check_no_locks_held(void){}#endif
#endif