X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fkernel.h;fp=include%2Flinux%2Fkernel.h;h=f6dc34a85cace766d077c5c345dfdae3bdad5838;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=85a86fa4acb129d033293763c0d5ac5bdeaabd39;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 85a86fa4a..f6dc34a85 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -48,6 +48,8 @@ extern int console_printk[];
 #define default_console_loglevel (console_printk[3])
 
 struct completion;
+struct pt_regs;
+struct user;
 
 /**
  * might_sleep - annotation for functions that can sleep
@@ -59,15 +61,23 @@ struct completion;
  * be biten 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
-#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);
+  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 (unlikely(cond)) might_sleep(); } while (0)
+
 #define abs(x) ({				\
 		int __x = (x);			\
 		(__x < 0) ? -__x : __x;		\
@@ -78,10 +88,13 @@ void __might_sleep(char *file, int line);
 		(__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)
@@ -112,10 +125,13 @@ 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);
 
+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)));
@@ -140,9 +156,10 @@ static inline int __attribute_pure__ long_log2(unsigned long x)
 	return r;
 }
 
-static inline unsigned long __attribute_const__ roundup_pow_of_two(unsigned long x)
+static inline unsigned long
+__attribute_const__ roundup_pow_of_two(unsigned long x)
 {
-	return (1UL << fls(x - 1));
+	return 1UL << fls_long(x - 1);
 }
 
 extern int printk_ratelimit(void);
@@ -174,6 +191,7 @@ extern enum system_states {
 	SYSTEM_HALT,
 	SYSTEM_POWER_OFF,
 	SYSTEM_RESTART,
+	SYSTEM_SUSPEND_DISK,
 } system_state;
 
 #define TAINT_PROPRIETARY_MODULE	(1<<0)
@@ -205,6 +223,7 @@ extern void dump_stack(void);
 	((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]), \
@@ -215,6 +234,8 @@ extern void dump_stack(void);
 	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) \
@@ -259,7 +280,6 @@ extern void dump_stack(void);
 
 /**
  * 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.
@@ -280,6 +300,15 @@ extern void dump_stack(void);
 	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
@@ -300,18 +329,10 @@ struct sysinfo {
 	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)
-
-#ifdef CONFIG_SYSCTL
-extern int randomize_va_space;
-#else
-#define randomize_va_space 1
-#endif
+/* Force a compilation error if condition is true */
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 
 /* Trap pasters of __FUNCTION__ at compile-time */
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
 #define __FUNCTION__ (__func__)
-#endif
 
 #endif