diff options
author | James Morris <jmorris@namei.org> | 2010-11-28 16:27:07 -0500 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2010-11-28 16:27:07 -0500 |
commit | 1d6d75684d869406e5bb2ac5d3ed9454f52d0cab (patch) | |
tree | afb229254bed6415407b7b7d4641f9f792109966 /include/linux/kernel.h | |
parent | 074e61ec3751da9ab88ee66d3818574556c03489 (diff) | |
parent | 0f639a3c5ca63dd76ee07de9b02ebf0178ce9a17 (diff) |
Merge branch 'master' into next
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r-- | include/linux/kernel.h | 244 |
1 files changed, 1 insertions, 243 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 3f648d204c37..a35b4f7332f0 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h | |||
@@ -17,13 +17,11 @@ | |||
17 | #include <linux/bitops.h> | 17 | #include <linux/bitops.h> |
18 | #include <linux/log2.h> | 18 | #include <linux/log2.h> |
19 | #include <linux/typecheck.h> | 19 | #include <linux/typecheck.h> |
20 | #include <linux/printk.h> | ||
20 | #include <linux/dynamic_debug.h> | 21 | #include <linux/dynamic_debug.h> |
21 | #include <asm/byteorder.h> | 22 | #include <asm/byteorder.h> |
22 | #include <asm/bug.h> | 23 | #include <asm/bug.h> |
23 | 24 | ||
24 | extern const char linux_banner[]; | ||
25 | extern const char linux_proc_banner[]; | ||
26 | |||
27 | #define USHRT_MAX ((u16)(~0U)) | 25 | #define USHRT_MAX ((u16)(~0U)) |
28 | #define SHRT_MAX ((s16)(USHRT_MAX>>1)) | 26 | #define SHRT_MAX ((s16)(USHRT_MAX>>1)) |
29 | #define SHRT_MIN ((s16)(-SHRT_MAX - 1)) | 27 | #define SHRT_MIN ((s16)(-SHRT_MAX - 1)) |
@@ -112,31 +110,6 @@ extern const char linux_proc_banner[]; | |||
112 | */ | 110 | */ |
113 | #define lower_32_bits(n) ((u32)(n)) | 111 | #define lower_32_bits(n) ((u32)(n)) |
114 | 112 | ||
115 | #define KERN_EMERG "<0>" /* system is unusable */ | ||
116 | #define KERN_ALERT "<1>" /* action must be taken immediately */ | ||
117 | #define KERN_CRIT "<2>" /* critical conditions */ | ||
118 | #define KERN_ERR "<3>" /* error conditions */ | ||
119 | #define KERN_WARNING "<4>" /* warning conditions */ | ||
120 | #define KERN_NOTICE "<5>" /* normal but significant condition */ | ||
121 | #define KERN_INFO "<6>" /* informational */ | ||
122 | #define KERN_DEBUG "<7>" /* debug-level messages */ | ||
123 | |||
124 | /* Use the default kernel loglevel */ | ||
125 | #define KERN_DEFAULT "<d>" | ||
126 | /* | ||
127 | * Annotation for a "continued" line of log printout (only done after a | ||
128 | * line that had no enclosing \n). Only to be used by core/arch code | ||
129 | * during early bootup (a continued line is not SMP-safe otherwise). | ||
130 | */ | ||
131 | #define KERN_CONT "<c>" | ||
132 | |||
133 | extern int console_printk[]; | ||
134 | |||
135 | #define console_loglevel (console_printk[0]) | ||
136 | #define default_message_loglevel (console_printk[1]) | ||
137 | #define minimum_console_loglevel (console_printk[2]) | ||
138 | #define default_console_loglevel (console_printk[3]) | ||
139 | |||
140 | struct completion; | 113 | struct completion; |
141 | struct pt_regs; | 114 | struct pt_regs; |
142 | struct user; | 115 | struct user; |
@@ -189,11 +162,6 @@ static inline void might_fault(void) | |||
189 | } | 162 | } |
190 | #endif | 163 | #endif |
191 | 164 | ||
192 | struct va_format { | ||
193 | const char *fmt; | ||
194 | va_list *va; | ||
195 | }; | ||
196 | |||
197 | extern struct atomic_notifier_head panic_notifier_list; | 165 | extern struct atomic_notifier_head panic_notifier_list; |
198 | extern long (*panic_blink)(int state); | 166 | extern long (*panic_blink)(int state); |
199 | NORET_TYPE void panic(const char * fmt, ...) | 167 | NORET_TYPE void panic(const char * fmt, ...) |
@@ -247,114 +215,8 @@ extern int func_ptr_is_kernel_text(void *ptr); | |||
247 | struct pid; | 215 | struct pid; |
248 | extern struct pid *session_of_pgrp(struct pid *pgrp); | 216 | extern struct pid *session_of_pgrp(struct pid *pgrp); |
249 | 217 | ||
250 | /* | ||
251 | * FW_BUG | ||
252 | * Add this to a message where you are sure the firmware is buggy or behaves | ||
253 | * really stupid or out of spec. Be aware that the responsible BIOS developer | ||
254 | * should be able to fix this issue or at least get a concrete idea of the | ||
255 | * problem by reading your message without the need of looking at the kernel | ||
256 | * code. | ||
257 | * | ||
258 | * Use it for definite and high priority BIOS bugs. | ||
259 | * | ||
260 | * FW_WARN | ||
261 | * Use it for not that clear (e.g. could the kernel messed up things already?) | ||
262 | * and medium priority BIOS bugs. | ||
263 | * | ||
264 | * FW_INFO | ||
265 | * Use this one if you want to tell the user or vendor about something | ||
266 | * suspicious, but generally harmless related to the firmware. | ||
267 | * | ||
268 | * Use it for information or very low priority BIOS bugs. | ||
269 | */ | ||
270 | #define FW_BUG "[Firmware Bug]: " | ||
271 | #define FW_WARN "[Firmware Warn]: " | ||
272 | #define FW_INFO "[Firmware Info]: " | ||
273 | |||
274 | /* | ||
275 | * HW_ERR | ||
276 | * Add this to a message for hardware errors, so that user can report | ||
277 | * it to hardware vendor instead of LKML or software vendor. | ||
278 | */ | ||
279 | #define HW_ERR "[Hardware Error]: " | ||
280 | |||
281 | #ifdef CONFIG_PRINTK | ||
282 | asmlinkage int vprintk(const char *fmt, va_list args) | ||
283 | __attribute__ ((format (printf, 1, 0))); | ||
284 | asmlinkage int printk(const char * fmt, ...) | ||
285 | __attribute__ ((format (printf, 1, 2))) __cold; | ||
286 | |||
287 | /* | ||
288 | * Please don't use printk_ratelimit(), because it shares ratelimiting state | ||
289 | * with all other unrelated printk_ratelimit() callsites. Instead use | ||
290 | * printk_ratelimited() or plain old __ratelimit(). | ||
291 | */ | ||
292 | extern int __printk_ratelimit(const char *func); | ||
293 | #define printk_ratelimit() __printk_ratelimit(__func__) | ||
294 | extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, | ||
295 | unsigned int interval_msec); | ||
296 | |||
297 | extern int printk_delay_msec; | ||
298 | |||
299 | /* | ||
300 | * Print a one-time message (analogous to WARN_ONCE() et al): | ||
301 | */ | ||
302 | #define printk_once(x...) ({ \ | ||
303 | static bool __print_once; \ | ||
304 | \ | ||
305 | if (!__print_once) { \ | ||
306 | __print_once = true; \ | ||
307 | printk(x); \ | ||
308 | } \ | ||
309 | }) | ||
310 | |||
311 | void log_buf_kexec_setup(void); | ||
312 | #else | ||
313 | static inline int vprintk(const char *s, va_list args) | ||
314 | __attribute__ ((format (printf, 1, 0))); | ||
315 | static inline int vprintk(const char *s, va_list args) { return 0; } | ||
316 | static inline int printk(const char *s, ...) | ||
317 | __attribute__ ((format (printf, 1, 2))); | ||
318 | static inline int __cold printk(const char *s, ...) { return 0; } | ||
319 | static inline int printk_ratelimit(void) { return 0; } | ||
320 | static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \ | ||
321 | unsigned int interval_msec) \ | ||
322 | { return false; } | ||
323 | |||
324 | /* No effect, but we still get type checking even in the !PRINTK case: */ | ||
325 | #define printk_once(x...) printk(x) | ||
326 | |||
327 | static inline void log_buf_kexec_setup(void) | ||
328 | { | ||
329 | } | ||
330 | #endif | ||
331 | |||
332 | /* | ||
333 | * Dummy printk for disabled debugging statements to use whilst maintaining | ||
334 | * gcc's format and side-effect checking. | ||
335 | */ | ||
336 | static inline __attribute__ ((format (printf, 1, 2))) | ||
337 | int no_printk(const char *s, ...) { return 0; } | ||
338 | |||
339 | extern int printk_needs_cpu(int cpu); | ||
340 | extern void printk_tick(void); | ||
341 | |||
342 | extern void asmlinkage __attribute__((format(printf, 1, 2))) | ||
343 | early_printk(const char *fmt, ...); | ||
344 | |||
345 | unsigned long int_sqrt(unsigned long); | 218 | unsigned long int_sqrt(unsigned long); |
346 | 219 | ||
347 | static inline void console_silent(void) | ||
348 | { | ||
349 | console_loglevel = 0; | ||
350 | } | ||
351 | |||
352 | static inline void console_verbose(void) | ||
353 | { | ||
354 | if (console_loglevel) | ||
355 | console_loglevel = 15; | ||
356 | } | ||
357 | |||
358 | extern void bust_spinlocks(int yes); | 220 | extern void bust_spinlocks(int yes); |
359 | extern void wake_up_klogd(void); | 221 | extern void wake_up_klogd(void); |
360 | extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */ | 222 | extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */ |
@@ -391,22 +253,6 @@ extern enum system_states { | |||
391 | #define TAINT_CRAP 10 | 253 | #define TAINT_CRAP 10 |
392 | #define TAINT_FIRMWARE_WORKAROUND 11 | 254 | #define TAINT_FIRMWARE_WORKAROUND 11 |
393 | 255 | ||
394 | extern void dump_stack(void) __cold; | ||
395 | |||
396 | enum { | ||
397 | DUMP_PREFIX_NONE, | ||
398 | DUMP_PREFIX_ADDRESS, | ||
399 | DUMP_PREFIX_OFFSET | ||
400 | }; | ||
401 | extern void hex_dump_to_buffer(const void *buf, size_t len, | ||
402 | int rowsize, int groupsize, | ||
403 | char *linebuf, size_t linebuflen, bool ascii); | ||
404 | extern void print_hex_dump(const char *level, const char *prefix_str, | ||
405 | int prefix_type, int rowsize, int groupsize, | ||
406 | const void *buf, size_t len, bool ascii); | ||
407 | extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type, | ||
408 | const void *buf, size_t len); | ||
409 | |||
410 | extern const char hex_asc[]; | 256 | extern const char hex_asc[]; |
411 | #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] | 257 | #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] |
412 | #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] | 258 | #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] |
@@ -420,94 +266,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte) | |||
420 | 266 | ||
421 | extern int hex_to_bin(char ch); | 267 | extern int hex_to_bin(char ch); |
422 | 268 | ||
423 | #ifndef pr_fmt | ||
424 | #define pr_fmt(fmt) fmt | ||
425 | #endif | ||
426 | |||
427 | #define pr_emerg(fmt, ...) \ | ||
428 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ||
429 | #define pr_alert(fmt, ...) \ | ||
430 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ||
431 | #define pr_crit(fmt, ...) \ | ||
432 | printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) | ||
433 | #define pr_err(fmt, ...) \ | ||
434 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ||
435 | #define pr_warning(fmt, ...) \ | ||
436 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ||
437 | #define pr_warn pr_warning | ||
438 | #define pr_notice(fmt, ...) \ | ||
439 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ||
440 | #define pr_info(fmt, ...) \ | ||
441 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ||
442 | #define pr_cont(fmt, ...) \ | ||
443 | printk(KERN_CONT fmt, ##__VA_ARGS__) | ||
444 | |||
445 | /* pr_devel() should produce zero code unless DEBUG is defined */ | ||
446 | #ifdef DEBUG | ||
447 | #define pr_devel(fmt, ...) \ | ||
448 | printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) | ||
449 | #else | ||
450 | #define pr_devel(fmt, ...) \ | ||
451 | ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) | ||
452 | #endif | ||
453 | |||
454 | /* If you are writing a driver, please use dev_dbg instead */ | ||
455 | #if defined(DEBUG) | ||
456 | #define pr_debug(fmt, ...) \ | ||
457 | printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) | ||
458 | #elif defined(CONFIG_DYNAMIC_DEBUG) | ||
459 | /* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */ | ||
460 | #define pr_debug(fmt, ...) \ | ||
461 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ||
462 | #else | ||
463 | #define pr_debug(fmt, ...) \ | ||
464 | ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) | ||
465 | #endif | ||
466 | |||
467 | /* | ||
468 | * ratelimited messages with local ratelimit_state, | ||
469 | * no local ratelimit_state used in the !PRINTK case | ||
470 | */ | ||
471 | #ifdef CONFIG_PRINTK | ||
472 | #define printk_ratelimited(fmt, ...) ({ \ | ||
473 | static DEFINE_RATELIMIT_STATE(_rs, \ | ||
474 | DEFAULT_RATELIMIT_INTERVAL, \ | ||
475 | DEFAULT_RATELIMIT_BURST); \ | ||
476 | \ | ||
477 | if (__ratelimit(&_rs)) \ | ||
478 | printk(fmt, ##__VA_ARGS__); \ | ||
479 | }) | ||
480 | #else | ||
481 | /* No effect, but we still get type checking even in the !PRINTK case: */ | ||
482 | #define printk_ratelimited printk | ||
483 | #endif | ||
484 | |||
485 | #define pr_emerg_ratelimited(fmt, ...) \ | ||
486 | printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ||
487 | #define pr_alert_ratelimited(fmt, ...) \ | ||
488 | printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | ||
489 | #define pr_crit_ratelimited(fmt, ...) \ | ||
490 | printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) | ||
491 | #define pr_err_ratelimited(fmt, ...) \ | ||
492 | printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | ||
493 | #define pr_warning_ratelimited(fmt, ...) \ | ||
494 | printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ||
495 | #define pr_warn_ratelimited pr_warning_ratelimited | ||
496 | #define pr_notice_ratelimited(fmt, ...) \ | ||
497 | printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | ||
498 | #define pr_info_ratelimited(fmt, ...) \ | ||
499 | printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ||
500 | /* no pr_cont_ratelimited, don't do that... */ | ||
501 | /* If you are writing a driver, please use dev_dbg instead */ | ||
502 | #if defined(DEBUG) | ||
503 | #define pr_debug_ratelimited(fmt, ...) \ | ||
504 | printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) | ||
505 | #else | ||
506 | #define pr_debug_ratelimited(fmt, ...) \ | ||
507 | ({ if (0) printk_ratelimited(KERN_DEBUG pr_fmt(fmt), \ | ||
508 | ##__VA_ARGS__); 0; }) | ||
509 | #endif | ||
510 | |||
511 | /* | 269 | /* |
512 | * General tracing related utility functions - trace_printk(), | 270 | * General tracing related utility functions - trace_printk(), |
513 | * tracing_on/tracing_off and tracing_start()/tracing_stop | 271 | * tracing_on/tracing_off and tracing_start()/tracing_stop |