/* 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)) { \if (debug_locks_off() && !debug_locks_silent) \"DEBUG_LOCKS_WARN_ON(%s)" , #c ); \#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_SELFTESTSextern 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 );#else static inline void debug_show_all_locks(void )static inline void debug_show_held_locks(struct task_struct *task)static inline void const void *from, unsigned long len)static inline void void )#endif #endif quality 86%
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