diff options
Diffstat (limited to 'include/linux/dynamic_printk.h')
-rw-r--r-- | include/linux/dynamic_printk.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/include/linux/dynamic_printk.h b/include/linux/dynamic_printk.h deleted file mode 100644 index 2d528d009074..000000000000 --- a/include/linux/dynamic_printk.h +++ /dev/null | |||
@@ -1,93 +0,0 @@ | |||
1 | #ifndef _DYNAMIC_PRINTK_H | ||
2 | #define _DYNAMIC_PRINTK_H | ||
3 | |||
4 | #define DYNAMIC_DEBUG_HASH_BITS 6 | ||
5 | #define DEBUG_HASH_TABLE_SIZE (1 << DYNAMIC_DEBUG_HASH_BITS) | ||
6 | |||
7 | #define TYPE_BOOLEAN 1 | ||
8 | |||
9 | #define DYNAMIC_ENABLED_ALL 0 | ||
10 | #define DYNAMIC_ENABLED_NONE 1 | ||
11 | #define DYNAMIC_ENABLED_SOME 2 | ||
12 | |||
13 | extern int dynamic_enabled; | ||
14 | |||
15 | /* dynamic_printk_enabled, and dynamic_printk_enabled2 are bitmasks in which | ||
16 | * bit n is set to 1 if any modname hashes into the bucket n, 0 otherwise. They | ||
17 | * use independent hash functions, to reduce the chance of false positives. | ||
18 | */ | ||
19 | extern long long dynamic_printk_enabled; | ||
20 | extern long long dynamic_printk_enabled2; | ||
21 | |||
22 | struct mod_debug { | ||
23 | char *modname; | ||
24 | char *logical_modname; | ||
25 | char *flag_names; | ||
26 | int type; | ||
27 | int hash; | ||
28 | int hash2; | ||
29 | } __attribute__((aligned(8))); | ||
30 | |||
31 | int register_dynamic_debug_module(char *mod_name, int type, char *share_name, | ||
32 | char *flags, int hash, int hash2); | ||
33 | |||
34 | #if defined(CONFIG_DYNAMIC_PRINTK_DEBUG) | ||
35 | extern int unregister_dynamic_debug_module(char *mod_name); | ||
36 | extern int __dynamic_dbg_enabled_helper(char *modname, int type, | ||
37 | int value, int hash); | ||
38 | |||
39 | #define __dynamic_dbg_enabled(module, type, value, level, hash) ({ \ | ||
40 | int __ret = 0; \ | ||
41 | if (unlikely((dynamic_printk_enabled & (1LL << DEBUG_HASH)) && \ | ||
42 | (dynamic_printk_enabled2 & (1LL << DEBUG_HASH2)))) \ | ||
43 | __ret = __dynamic_dbg_enabled_helper(module, type, \ | ||
44 | value, hash);\ | ||
45 | __ret; }) | ||
46 | |||
47 | #define dynamic_pr_debug(fmt, ...) do { \ | ||
48 | static char mod_name[] \ | ||
49 | __attribute__((section("__verbose_strings"))) \ | ||
50 | = KBUILD_MODNAME; \ | ||
51 | static struct mod_debug descriptor \ | ||
52 | __used \ | ||
53 | __attribute__((section("__verbose"), aligned(8))) = \ | ||
54 | { mod_name, mod_name, NULL, TYPE_BOOLEAN, DEBUG_HASH, DEBUG_HASH2 };\ | ||
55 | if (__dynamic_dbg_enabled(KBUILD_MODNAME, TYPE_BOOLEAN, \ | ||
56 | 0, 0, DEBUG_HASH)) \ | ||
57 | printk(KERN_DEBUG KBUILD_MODNAME ":" fmt, \ | ||
58 | ##__VA_ARGS__); \ | ||
59 | } while (0) | ||
60 | |||
61 | #define dynamic_dev_dbg(dev, format, ...) do { \ | ||
62 | static char mod_name[] \ | ||
63 | __attribute__((section("__verbose_strings"))) \ | ||
64 | = KBUILD_MODNAME; \ | ||
65 | static struct mod_debug descriptor \ | ||
66 | __used \ | ||
67 | __attribute__((section("__verbose"), aligned(8))) = \ | ||
68 | { mod_name, mod_name, NULL, TYPE_BOOLEAN, DEBUG_HASH, DEBUG_HASH2 };\ | ||
69 | if (__dynamic_dbg_enabled(KBUILD_MODNAME, TYPE_BOOLEAN, \ | ||
70 | 0, 0, DEBUG_HASH)) \ | ||
71 | dev_printk(KERN_DEBUG, dev, \ | ||
72 | KBUILD_MODNAME ": " format, \ | ||
73 | ##__VA_ARGS__); \ | ||
74 | } while (0) | ||
75 | |||
76 | #else | ||
77 | |||
78 | static inline int unregister_dynamic_debug_module(const char *mod_name) | ||
79 | { | ||
80 | return 0; | ||
81 | } | ||
82 | static inline int __dynamic_dbg_enabled_helper(char *modname, int type, | ||
83 | int value, int hash) | ||
84 | { | ||
85 | return 0; | ||
86 | } | ||
87 | |||
88 | #define __dynamic_dbg_enabled(module, type, value, level, hash) ({ 0; }) | ||
89 | #define dynamic_pr_debug(fmt, ...) do { } while (0) | ||
90 | #define dynamic_dev_dbg(dev, format, ...) do { } while (0) | ||
91 | #endif | ||
92 | |||
93 | #endif | ||