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92ccc262e4
Commit:
681fbec881 ("lockdep: Use consistent printing primitives")
has moved lockdep away from using printk() for printing.
The commit added usage of pr_cont() which wasn't wrapped in the
userspace headers, causing the following warning for the
liblockdep build:
../../../kernel/locking/lockdep.c:3544:2: warning: implicit declaration of function 'pr_cont' [-Wimplicit-function-declaration]
Adding an empty declaration of 'pr_cont' fixes the problem.
Signed-off-by: Mengting Zhang <zhangmengting@huawei.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/20171212181644.11913-2-alexander.levin@verizon.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LIBLOCKDEP_LOCKDEP_H_
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#define _LIBLOCKDEP_LOCKDEP_H_
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#include <sys/prctl.h>
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#include <sys/syscall.h>
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#include <string.h>
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#include <limits.h>
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#include <linux/utsname.h>
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#include <linux/compiler.h>
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#include <linux/export.h>
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#include <linux/kern_levels.h>
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#include <linux/err.h>
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#include <linux/rcu.h>
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#include <linux/list.h>
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#include <linux/hardirq.h>
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#include <unistd.h>
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#define MAX_LOCK_DEPTH 63UL
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#define asmlinkage
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#define __visible
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#include "../../../include/linux/lockdep.h"
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struct task_struct {
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u64 curr_chain_key;
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int lockdep_depth;
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unsigned int lockdep_recursion;
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struct held_lock held_locks[MAX_LOCK_DEPTH];
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gfp_t lockdep_reclaim_gfp;
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int pid;
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char comm[17];
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};
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extern struct task_struct *__curr(void);
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#define current (__curr())
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static inline int debug_locks_off(void)
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{
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return 1;
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}
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#define task_pid_nr(tsk) ((tsk)->pid)
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#define KSYM_NAME_LEN 128
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#define printk(...) dprintf(STDOUT_FILENO, __VA_ARGS__)
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#define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
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#define pr_warn pr_err
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#define pr_cont pr_err
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#define list_del_rcu list_del
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#define atomic_t unsigned long
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#define atomic_inc(x) ((*(x))++)
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#define print_tainted() ""
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#define static_obj(x) 1
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#define debug_show_all_locks()
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extern void debug_check_no_locks_held(void);
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static __used bool __is_kernel_percpu_address(unsigned long addr, void *can_addr)
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{
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return false;
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}
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#endif
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