diff options
Diffstat (limited to 'include/linux/kernel.h')
| -rw-r--r-- | include/linux/kernel.h | 88 |
1 files changed, 56 insertions, 32 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 46ac9a50528d..e8343422240a 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -185,16 +185,17 @@ static inline void might_fault(void) extern struct atomic_notifier_head panic_notifier_list; extern long (*panic_blink)(int state); -NORET_TYPE void panic(const char * fmt, ...) - __attribute__ ((NORET_AND format (printf, 1, 2))) __cold; +__printf(1, 2) +void panic(const char *fmt, ...) + __noreturn __cold; extern void oops_enter(void); extern void oops_exit(void); void print_oops_end_marker(void); extern int oops_may_print(void); -NORET_TYPE void do_exit(long error_code) - ATTRIB_NORET; -NORET_TYPE void complete_and_exit(struct completion *, long) - ATTRIB_NORET; +void do_exit(long error_code) + __noreturn; +void complete_and_exit(struct completion *, long) + __noreturn; /* Internal, do not use. */ int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res); @@ -287,6 +288,8 @@ static inline int __must_check kstrtos32_from_user(const char __user *s, size_t return kstrtoint_from_user(s, count, base, res); } +/* Obsolete, do not use. Use kstrto<foo> instead */ + extern unsigned long simple_strtoul(const char *,char **,unsigned int); extern long simple_strtol(const char *,char **,unsigned int); extern unsigned long long simple_strtoull(const char *,char **,unsigned int); @@ -296,20 +299,20 @@ extern long long simple_strtoll(const char *,char **,unsigned int); #define strict_strtoull kstrtoull #define strict_strtoll kstrtoll -extern int sprintf(char * buf, const char * fmt, ...) - __attribute__ ((format (printf, 2, 3))); -extern int vsprintf(char *buf, const char *, va_list) - __attribute__ ((format (printf, 2, 0))); -extern int snprintf(char * buf, size_t size, const char * fmt, ...) - __attribute__ ((format (printf, 3, 4))); -extern int vsnprintf(char *buf, size_t size, const char *fmt, va_list args) - __attribute__ ((format (printf, 3, 0))); -extern int scnprintf(char * buf, size_t size, const char * fmt, ...) - __attribute__ ((format (printf, 3, 4))); -extern int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) - __attribute__ ((format (printf, 3, 0))); -extern char *kasprintf(gfp_t gfp, const char *fmt, ...) - __attribute__ ((format (printf, 2, 3))); +/* lib/printf utilities */ + +extern __printf(2, 3) int sprintf(char *buf, const char * fmt, ...); +extern __printf(2, 0) int vsprintf(char *buf, const char *, va_list); +extern __printf(3, 4) +int snprintf(char *buf, size_t size, const char *fmt, ...); +extern __printf(3, 0) +int vsnprintf(char *buf, size_t size, const char *fmt, va_list args); +extern __printf(3, 4) +int scnprintf(char *buf, size_t size, const char *fmt, ...); +extern __printf(3, 0) +int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); +extern __printf(2, 3) +char *kasprintf(gfp_t gfp, const char *fmt, ...); extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); extern int sscanf(const char *, const char *, ...) @@ -339,6 +342,7 @@ extern int panic_timeout; extern int panic_on_oops; extern int panic_on_unrecovered_nmi; extern int panic_on_io_nmi; +extern int sysctl_panic_on_stackoverflow; extern const char *print_tainted(void); extern void add_taint(unsigned flag); extern int test_taint(unsigned flag); @@ -369,20 +373,26 @@ extern enum system_states { #define TAINT_WARN 9 #define TAINT_CRAP 10 #define TAINT_FIRMWARE_WORKAROUND 11 +#define TAINT_OOT_MODULE 12 extern const char hex_asc[]; #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] -static inline char *pack_hex_byte(char *buf, u8 byte) +static inline char *hex_byte_pack(char *buf, u8 byte) { *buf++ = hex_asc_hi(byte); *buf++ = hex_asc_lo(byte); return buf; } +static inline char * __deprecated pack_hex_byte(char *buf, u8 byte) +{ + return hex_byte_pack(buf, byte); +} + extern int hex_to_bin(char ch); -extern void hex2bin(u8 *dst, const char *src, size_t count); +extern int __must_check hex2bin(u8 *dst, const char *src, size_t count); /* * General tracing related utility functions - trace_printk(), @@ -427,8 +437,8 @@ extern void tracing_start(void); extern void tracing_stop(void); extern void ftrace_off_permanent(void); -static inline void __attribute__ ((format (printf, 1, 2))) -____trace_printk_check_format(const char *fmt, ...) +static inline __printf(1, 2) +void ____trace_printk_check_format(const char *fmt, ...) { } #define __trace_printk_check_format(fmt, args...) \ @@ -467,13 +477,11 @@ do { \ __trace_printk(_THIS_IP_, fmt, ##args); \ } while (0) -extern int -__trace_bprintk(unsigned long ip, const char *fmt, ...) - __attribute__ ((format (printf, 2, 3))); +extern __printf(2, 3) +int __trace_bprintk(unsigned long ip, const char *fmt, ...); -extern int -__trace_printk(unsigned long ip, const char *fmt, ...) - __attribute__ ((format (printf, 2, 3))); +extern __printf(2, 3) +int __trace_printk(unsigned long ip, const char *fmt, ...); extern void trace_dump_stack(void); @@ -502,8 +510,8 @@ __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); #else -static inline int -trace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2))); +static inline __printf(1, 2) +int trace_printk(const char *fmt, ...); static inline void tracing_start(void) { } static inline void tracing_stop(void) { } @@ -659,6 +667,7 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { } #define BUILD_BUG_ON_ZERO(e) (0) #define BUILD_BUG_ON_NULL(e) ((void*)0) #define BUILD_BUG_ON(condition) +#define BUILD_BUG() (0) #else /* __CHECKER__ */ /* Force a compilation error if a constant expression is not a power of 2 */ @@ -697,6 +706,21 @@ extern int __build_bug_on_failed; if (condition) __build_bug_on_failed = 1; \ } while(0) #endif + +/** + * BUILD_BUG - break compile if used. + * + * If you have some code that you expect the compiler to eliminate at + * build time, you should use BUILD_BUG to detect if it is + * unexpectedly used. + */ +#define BUILD_BUG() \ + do { \ + extern void __build_bug_failed(void) \ + __linktime_error("BUILD_BUG failed"); \ + __build_bug_failed(); \ + } while (0) + #endif /* __CHECKER__ */ /* Trap pasters of __FUNCTION__ at compile-time */ |