This source file includes following definitions.
- __printf
- printk_safe_init
- printk_percpu_data_ready
1
2
3
4
5 #include <linux/percpu.h>
6
7 #ifdef CONFIG_PRINTK
8
9 #define PRINTK_SAFE_CONTEXT_MASK 0x3fffffff
10 #define PRINTK_NMI_DIRECT_CONTEXT_MASK 0x40000000
11 #define PRINTK_NMI_CONTEXT_MASK 0x80000000
12
13 extern raw_spinlock_t logbuf_lock;
14
15 __printf(5, 0)
16 int vprintk_store(int facility, int level,
17 const char *dict, size_t dictlen,
18 const char *fmt, va_list args);
19
20 __printf(1, 0) int vprintk_default(const char *fmt, va_list args);
21 __printf(1, 0) int vprintk_deferred(const char *fmt, va_list args);
22 __printf(1, 0) int vprintk_func(const char *fmt, va_list args);
23 void __printk_safe_enter(void);
24 void __printk_safe_exit(void);
25
26 void printk_safe_init(void);
27 bool printk_percpu_data_ready(void);
28
29 #define printk_safe_enter_irqsave(flags) \
30 do { \
31 local_irq_save(flags); \
32 __printk_safe_enter(); \
33 } while (0)
34
35 #define printk_safe_exit_irqrestore(flags) \
36 do { \
37 __printk_safe_exit(); \
38 local_irq_restore(flags); \
39 } while (0)
40
41 #define printk_safe_enter_irq() \
42 do { \
43 local_irq_disable(); \
44 __printk_safe_enter(); \
45 } while (0)
46
47 #define printk_safe_exit_irq() \
48 do { \
49 __printk_safe_exit(); \
50 local_irq_enable(); \
51 } while (0)
52
53 void defer_console_output(void);
54
55 #else
56
57 __printf(1, 0) int vprintk_func(const char *fmt, va_list args) { return 0; }
58
59
60
61
62
63
64 #define printk_safe_enter_irqsave(flags) local_irq_save(flags)
65 #define printk_safe_exit_irqrestore(flags) local_irq_restore(flags)
66
67 #define printk_safe_enter_irq() local_irq_disable()
68 #define printk_safe_exit_irq() local_irq_enable()
69
70 static inline void printk_safe_init(void) { }
71 static inline bool printk_percpu_data_ready(void) { return false; }
72 #endif