Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

1 files changed, 69 insertions, 47 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index f9cd7a513f9c..396a350b87a6 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -14,6 +14,9 @@
 #include <linux/compiler.h>
 #include <linux/bitops.h>
 #include <linux/log2.h>
+#include <linux/typecheck.h>
+#include <linux/ratelimit.h>
+#include <linux/dynamic_printk.h>
 #include <asm/byteorder.h>
 #include <asm/bug.h>
 
@@ -73,6 +76,12 @@ extern const char linux_proc_banner[];
  */
 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
 
+/**
+ * lower_32_bits - return bits 0-31 of a number
+ * @n: the number we're accessing
+ */
+#define lower_32_bits(n) ((u32)(n))
+
 #define KERN_EMERG      "<0>"   /* system is unusable                   */
 #define KERN_ALERT      "<1>"   /* action must be taken immediately     */
 #define KERN_CRIT       "<2>"   /* critical conditions                  */
@@ -100,6 +109,13 @@ struct completion;
 struct pt_regs;
 struct user;
 
+#ifdef CONFIG_PREEMPT_VOLUNTARY
+extern int _cond_resched(void);
+# define might_resched() _cond_resched()
+#else
+# define might_resched() do { } while (0)
+#endif
+
 /**
  * might_sleep - annotation for functions that can sleep
  *
@@ -110,13 +126,6 @@ struct user;
  * 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() \
@@ -174,7 +183,7 @@ extern int vsscanf(const char *, const char *, va_list)
 
 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 unsigned long long memparse(const char *ptr, char **retptr);
 
 extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
@@ -182,17 +191,38 @@ extern int kernel_text_address(unsigned long addr);
 struct pid;
 extern struct pid *session_of_pgrp(struct pid *pgrp);
 
+/*
+ * FW_BUG
+ * Add this to a message where you are sure the firmware is buggy or behaves
+ * really stupid or out of spec. Be aware that the responsible BIOS developer
+ * should be able to fix this issue or at least get a concrete idea of the
+ * problem by reading your message without the need of looking at the kernel
+ * code.
+ * 
+ * Use it for definite and high priority BIOS bugs.
+ *
+ * FW_WARN
+ * Use it for not that clear (e.g. could the kernel messed up things already?)
+ * and medium priority BIOS bugs.
+ *
+ * FW_INFO
+ * Use this one if you want to tell the user or vendor about something
+ * suspicious, but generally harmless related to the firmware.
+ *
+ * Use it for information or very low priority BIOS bugs.
+ */
+#define FW_BUG          "[Firmware Bug]: "
+#define FW_WARN         "[Firmware Warn]: "
+#define FW_INFO         "[Firmware Info]: "
+
 #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))) __cold;
 
-extern int printk_ratelimit_jiffies;
-extern int printk_ratelimit_burst;
+extern struct ratelimit_state printk_ratelimit_state;
 extern int printk_ratelimit(void);
-extern int __ratelimit(int ratelimit_jiffies, int ratelimit_burst);
-extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
                                    unsigned int interval_msec);
 #else
@@ -203,13 +233,14 @@ 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 printk_ratelimit(void) { return 0; }
-static inline int __printk_ratelimit(int ratelimit_jiffies, \
-                                     int ratelimit_burst) { return 0; }
 static inline bool printk_timed_ratelimit(unsigned long *caller_jiffies, \
                                           unsigned int interval_msec)   \
                 { return false; }
 #endif
 
+extern int printk_needs_cpu(int cpu);
+extern void printk_tick(void);
+
 extern void asmlinkage __attribute__((format(printf, 1, 2)))
         early_printk(const char *fmt, ...);
 
@@ -232,9 +263,10 @@ extern int oops_in_progress;		/* If set, an oops, panic(), BUG() or die() is in
 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);
+extern void add_taint(unsigned flag);
+extern int test_taint(unsigned flag);
+extern unsigned long get_taint(void);
 extern int root_mountflags;
 
 /* Values used for system_state */
@@ -247,16 +279,17 @@ extern enum system_states {
         SYSTEM_SUSPEND_DISK,
 } system_state;
 
-#define TAINT_PROPRIETARY_MODULE        (1<<0)
-#define TAINT_FORCED_MODULE             (1<<1)
-#define TAINT_UNSAFE_SMP                (1<<2)
-#define TAINT_FORCED_RMMOD              (1<<3)
-#define TAINT_MACHINE_CHECK             (1<<4)
-#define TAINT_BAD_PAGE                  (1<<5)
-#define TAINT_USER                      (1<<6)
-#define TAINT_DIE                       (1<<7)
-#define TAINT_OVERRIDDEN_ACPI_TABLE     (1<<8)
-#define TAINT_WARN                      (1<<9)
+#define TAINT_PROPRIETARY_MODULE        0
+#define TAINT_FORCED_MODULE             1
+#define TAINT_UNSAFE_SMP                2
+#define TAINT_FORCED_RMMOD              3
+#define TAINT_MACHINE_CHECK             4
+#define TAINT_BAD_PAGE                  5
+#define TAINT_USER                      6
+#define TAINT_DIE                       7
+#define TAINT_OVERRIDDEN_ACPI_TABLE     8
+#define TAINT_WARN                      9
+#define TAINT_CRAP                      10
 
 extern void dump_stack(void) __cold;
 
@@ -300,8 +333,12 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
 #define pr_info(fmt, arg...) \
         printk(KERN_INFO fmt, ##arg)
 
-#ifdef DEBUG
 /* If you are writing a driver, please use dev_dbg instead */
+#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
+#define pr_debug(fmt, ...) do { \
+        dynamic_pr_debug(fmt, ##__VA_ARGS__); \
+        } while (0)
+#elif defined(DEBUG)
 #define pr_debug(fmt, arg...) \
         printk(KERN_DEBUG fmt, ##arg)
 #else
@@ -441,26 +478,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
         (type *)( (char *)__mptr - offsetof(type,member) );})
 
-/*
- * Check at compile time that something is of a particular type.
- * Always evaluates to 1 so you may use it easily in comparisons.
- */
-#define typecheck(type,x) \
-({      type __dummy; \
-        typeof(x) __dummy2; \
-        (void)(&__dummy == &__dummy2); \
-        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; \
-})
-
 struct sysinfo;
 extern int do_sysinfo(struct sysinfo *info);
 
@@ -503,4 +520,9 @@ struct sysinfo {
 #define NUMA_BUILD 0
 #endif
 
+/* Rebuild everything on CONFIG_FTRACE_MCOUNT_RECORD */
+#ifdef CONFIG_FTRACE_MCOUNT_RECORD
+# define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
+#endif
+
 #endif