diff options
Diffstat (limited to 'include/linux/printk.h')
| -rw-r--r-- | include/linux/printk.h | 60 |
1 files changed, 44 insertions, 16 deletions
diff --git a/include/linux/printk.h b/include/linux/printk.h index f136b22c7772..8dc155dab3ed 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -61,6 +61,11 @@ static inline void console_verbose(void) console_loglevel = CONSOLE_LOGLEVEL_MOTORMOUTH; } +/* strlen("ratelimit") + 1 */ +#define DEVKMSG_STR_MAX_SIZE 10 +extern char devkmsg_log_str[]; +struct ctl_table; + struct va_format { const char *fmt; va_list *va; @@ -175,6 +180,10 @@ extern int printk_delay_msec; extern int dmesg_restrict; extern int kptr_restrict; +extern int +devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, void __user *buf, + size_t *lenp, loff_t *ppos); + extern void wake_up_klogd(void); char *log_buf_addr_get(void); @@ -257,21 +266,39 @@ extern asmlinkage void dump_stack(void) __cold; * and other debug macros are compiled out unless either DEBUG is defined * or CONFIG_DYNAMIC_DEBUG is set. */ -#define pr_emerg(fmt, ...) \ - printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) -#define pr_alert(fmt, ...) \ - printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_crit(fmt, ...) \ - printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) -#define pr_err(fmt, ...) \ - printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warning(fmt, ...) \ - printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) -#define pr_warn pr_warning -#define pr_notice(fmt, ...) \ - printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) -#define pr_info(fmt, ...) \ - printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) + +#ifdef CONFIG_PRINTK + +asmlinkage __printf(1, 2) __cold void __pr_emerg(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_alert(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_crit(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_err(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_warn(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_notice(const char *fmt, ...); +asmlinkage __printf(1, 2) __cold void __pr_info(const char *fmt, ...); + +#define pr_emerg(fmt, ...) __pr_emerg(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert(fmt, ...) __pr_alert(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit(fmt, ...) __pr_crit(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err(fmt, ...) __pr_err(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warn(fmt, ...) __pr_warn(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_notice(fmt, ...) __pr_notice(pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info(fmt, ...) __pr_info(pr_fmt(fmt), ##__VA_ARGS__) + +#else + +#define pr_emerg(fmt, ...) printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert(fmt, ...) printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit(fmt, ...) printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err(fmt, ...) printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warn(fmt, ...) printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) +#define pr_notice(fmt, ...) printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info(fmt, ...) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) + +#endif + +#define pr_warning pr_warn + /* * Like KERN_CONT, pr_cont() should only be used when continuing * a line with no newline ('\n') enclosed. Otherwise it defaults @@ -289,10 +316,11 @@ extern asmlinkage void dump_stack(void) __cold; no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) #endif -#include <linux/dynamic_debug.h> /* If you are writing a driver, please use dev_dbg instead */ #if defined(CONFIG_DYNAMIC_DEBUG) +#include <linux/dynamic_debug.h> + /* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */ #define pr_debug(fmt, ...) \ dynamic_pr_debug(fmt, ##__VA_ARGS__) |