#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/bitops.h>
+#include <linux/log2.h>
#include <asm/byteorder.h>
#include <asm/bug.h>
extern const char linux_banner[];
-extern const char vx_linux_banner[];
+extern const char linux_proc_banner[];
#define INT_MAX ((int)(~0U>>1))
#define INT_MIN (-INT_MAX - 1)
#define LONG_MAX ((long)(~0UL>>1))
#define LONG_MIN (-LONG_MAX - 1)
#define ULONG_MAX (~0UL)
+#define LLONG_MAX ((long long)(~0ULL>>1))
+#define LLONG_MIN (-LLONG_MAX - 1)
+#define ULLONG_MAX (~0ULL)
#define STACK_MAGIC 0xdeadbeef
+#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))
+#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
#define KERN_EMERG "<0>" /* system is unusable */
#define KERN_ALERT "<1>" /* action must be taken immediately */
#define default_console_loglevel (console_printk[3])
struct completion;
+struct pt_regs;
+struct user;
+
+/**
+ * might_sleep - annotation for functions that can sleep
+ *
+ * this macro will print a stack trace if it is executed in an atomic
+ * context (spinlock, irq-handler, ...).
+ *
+ * This is a useful debugging help to be able to catch problems early and not
+ * be bitten later when the calling function happens to sleep when it is not
+ * supposed to.
+ */
+#ifdef CONFIG_PREEMPT_VOLUNTARY
+extern int cond_resched(void);
+# define might_resched() cond_resched()
+#else
+# define might_resched() do { } while (0)
+#endif
#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
-void __might_sleep(char *file, int line);
-#define might_sleep() __might_sleep(__FILE__, __LINE__)
-#define might_sleep_if(cond) do { if (unlikely(cond)) might_sleep(); } while (0)
+ void __might_sleep(char *file, int line);
+# define might_sleep() \
+ do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0)
#else
-#define might_sleep() do {} while(0)
-#define might_sleep_if(cond) do {} while (0)
+# define might_sleep() do { might_resched(); } while (0)
#endif
+#define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0)
+
#define abs(x) ({ \
int __x = (x); \
(__x < 0) ? -__x : __x; \
(__x < 0) ? -__x : __x; \
})
-extern struct notifier_block *panic_notifier_list;
+extern struct atomic_notifier_head panic_notifier_list;
extern long (*panic_blink)(long time);
NORET_TYPE void panic(const char * fmt, ...)
__attribute__ ((NORET_AND format (printf, 1, 2)));
+extern void oops_enter(void);
+extern void oops_exit(void);
+extern int oops_may_print(void);
fastcall NORET_TYPE void do_exit(long error_code)
ATTRIB_NORET;
NORET_TYPE void complete_and_exit(struct completion *, long)
extern long long simple_strtoll(const char *,char **,unsigned int);
extern int sprintf(char * buf, const char * fmt, ...)
__attribute__ ((format (printf, 2, 3)));
-extern int vsprintf(char *buf, const char *, va_list);
+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);
+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);
+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)));
extern int sscanf(const char *, const char *, ...)
- __attribute__ ((format (scanf,2,3)));
-extern int vsscanf(const char *, const char *, va_list);
+ __attribute__ ((format (scanf, 2, 3)));
+extern int vsscanf(const char *, const char *, va_list)
+ __attribute__ ((format (scanf, 2, 0)));
extern int get_option(char **str, int *pint);
extern char *get_options(const char *str, int nints, int *ints);
extern unsigned long long memparse(char *ptr, char **retptr);
+extern int core_kernel_text(unsigned long addr);
extern int __kernel_text_address(unsigned long addr);
extern int kernel_text_address(unsigned long addr);
extern int session_of_pgrp(int pgrp);
-asmlinkage int vprintk(const char *fmt, va_list args);
+extern void dump_thread(struct pt_regs *regs, struct user *dump);
+
+#ifdef CONFIG_PRINTK
+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)));
+#else
+static inline int vprintk(const char *s, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
+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 printk(const char *s, ...) { return 0; }
+#endif
unsigned long int_sqrt(unsigned long);
-static inline int __attribute_pure__ long_log2(unsigned long x)
-{
- int r = 0;
- for (x >>= 1; x > 0; x >>= 1)
- r++;
- return r;
-}
-
-static inline unsigned long __attribute_const__ roundup_pow_of_two(unsigned long x)
-{
- return (1UL << fls(x - 1));
-}
-
extern int printk_ratelimit(void);
extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
+extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
+ unsigned int interval_msec);
static inline void console_silent(void)
{
extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */
extern int panic_timeout;
extern int panic_on_oops;
+extern int panic_on_unrecovered_nmi;
extern int tainted;
extern const char *print_tainted(void);
extern void add_taint(unsigned);
SYSTEM_HALT,
SYSTEM_POWER_OFF,
SYSTEM_RESTART,
+ SYSTEM_SUSPEND_DISK,
} system_state;
#define TAINT_PROPRIETARY_MODULE (1<<0)
extern void dump_stack(void);
#ifdef DEBUG
+/* If you are writing a driver, please use dev_dbg instead */
#define pr_debug(fmt,arg...) \
printk(KERN_DEBUG fmt,##arg)
#else
-#define pr_debug(fmt,arg...) \
- do { } while (0)
+static inline int __attribute__ ((format (printf, 1, 2))) pr_debug(const char * fmt, ...)
+{
+ return 0;
+}
#endif
#define pr_info(fmt,arg...) \
((unsigned char *)&addr)[1], \
((unsigned char *)&addr)[2], \
((unsigned char *)&addr)[3]
+#define NIPQUAD_FMT "%u.%u.%u.%u"
#define NIP6(addr) \
ntohs((addr).s6_addr16[0]), \
ntohs((addr).s6_addr16[5]), \
ntohs((addr).s6_addr16[6]), \
ntohs((addr).s6_addr16[7])
+#define NIP6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
+#define NIP6_SEQFMT "%04x%04x%04x%04x%04x%04x%04x%04x"
#if defined(__LITTLE_ENDIAN)
#define HIPQUAD(addr) \
/**
* container_of - cast a member of a structure out to the containing structure
- *
* @ptr: the pointer to the member.
* @type: the type of the container struct this is embedded in.
* @member: the name of the member within the struct.
1; \
})
+/*
+ * Check at compile time that 'function' is a certain type, or is a pointer
+ * to that type (needs to use typedef for the function type.)
+ */
+#define typecheck_fn(type,function) \
+({ typeof(type) __tmp = function; \
+ (void)__tmp; \
+})
+
#endif /* __KERNEL__ */
#define SI_LOAD_SHIFT 16
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
};
-extern void BUILD_BUG(void);
-#define BUILD_BUG_ON(condition) do { if (condition) BUILD_BUG(); } while(0)
+/* Force a compilation error if condition is true */
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+
+/* Force a compilation error if condition is true, but also produce a
+ result (of value 0 and type size_t), so the expression can be used
+ e.g. in a structure initializer (or where-ever else comma expressions
+ aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
/* Trap pasters of __FUNCTION__ at compile-time */
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
#define __FUNCTION__ (__func__)
+
+/* This helps us to avoid #ifdef CONFIG_NUMA */
+#ifdef CONFIG_NUMA
+#define NUMA_BUILD 1
+#else
+#define NUMA_BUILD 0
#endif
#endif
git://git.onelab.eu / linux-2.6.git / blobdiff