summaryrefslogtreecommitdiffstats
path: root/include/linux/kernel.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 792bf0aa779b..f9cd7a513f9c 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -46,6 +46,9 @@ extern const char linux_proc_banner[];
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+#define _RET_IP_ (unsigned long)__builtin_return_address(0)
+#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
+
#ifdef CONFIG_LBD
# include <asm/div64.h>
# define sector_div(a, b) do_div(a, b)
@@ -184,9 +187,6 @@ asmlinkage int vprintk(const char *fmt, va_list args)
__attribute__ ((format (printf, 1, 0)));
asmlinkage int printk(const char * fmt, ...)
__attribute__ ((format (printf, 1, 2))) __cold;
-extern int log_buf_get_len(void);
-extern int log_buf_read(int idx);
-extern int log_buf_copy(char *dest, int idx, int len);
extern int printk_ratelimit_jiffies;
extern int printk_ratelimit_burst;
@@ -202,9 +202,6 @@ static inline int vprintk(const char *s, va_list args) { return 0; }
static inline int printk(const char *s, ...)
__attribute__ ((format (printf, 1, 2)));
static inline int __cold printk(const char *s, ...) { return 0; }
-static inline int log_buf_get_len(void) { return 0; }
-static inline int log_buf_read(int idx) { return 0; }
-static inline int log_buf_copy(char *dest, int idx, int len) { return 0; }
static inline int printk_ratelimit(void) { return 0; }
static inline int __printk_ratelimit(int ratelimit_jiffies, \
int ratelimit_burst) { return 0; }
@@ -213,7 +210,7 @@ static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
{ return false; }
#endif
-extern void __attribute__((format(printf, 1, 2)))
+extern void asmlinkage __attribute__((format(printf, 1, 2)))
early_printk(const char *fmt, ...);
unsigned long int_sqrt(unsigned long);