1 files changed, 62 insertions, 40 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 328bca609b9b..2b0a35e6bc69 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -4,6 +4,8 @@
 /*
  * 'kernel.h' contains some often-used function prototypes etc
  */
+#define __ALIGN_KERNEL(x, a)            __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_KERNEL_MASK(x, mask)    (((x) + (mask)) & ~(mask))
 
 #ifdef __KERNEL__
 
@@ -22,9 +24,9 @@
 extern const char linux_banner[];
 extern const char linux_proc_banner[];
 
-#define USHORT_MAX      ((u16)(~0U))
-#define SHORT_MAX       ((s16)(USHORT_MAX>>1))
-#define SHORT_MIN       (-SHORT_MAX - 1)
+#define USHRT_MAX       ((u16)(~0U))
+#define SHRT_MAX        ((s16)(USHRT_MAX>>1))
+#define SHRT_MIN        ((s16)(-SHRT_MAX - 1))
 #define INT_MAX         ((int)(~0U>>1))
 #define INT_MIN         (-INT_MAX - 1)
 #define UINT_MAX        (~0U)
@@ -37,13 +39,23 @@ extern const char linux_proc_banner[];
 
 #define STACK_MAGIC     0xdeadbeef
 
-#define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
-#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
+#define ALIGN(x, a)             __ALIGN_KERNEL((x), (a))
+#define __ALIGN_MASK(x, mask)   __ALIGN_KERNEL_MASK((x), (mask))
 #define PTR_ALIGN(p, a)         ((typeof(p))ALIGN((unsigned long)(p), (a)))
 #define IS_ALIGNED(x, a)                (((x) & ((typeof(x))(a) - 1)) == 0)
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
+/*
+ * This looks more complex than it should be. But we need to
+ * get the type for the ~ right in round_down (it needs to be
+ * as wide as the result!), and we want to evaluate the macro
+ * arguments just once each.
+ */
+#define __round_mask(x, y) ((__typeof__(x))((y)-1))
+#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
+#define round_down(x, y) ((x) & ~__round_mask(x, y))
+
 #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))
@@ -124,7 +136,7 @@ extern int _cond_resched(void);
 #endif
 
 #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
-  void __might_sleep(char *file, int line, int preempt_offset);
+  void __might_sleep(const char *file, int line, int preempt_offset);
 /**
  * might_sleep - annotation for functions that can sleep
  *
@@ -138,7 +150,8 @@ extern int _cond_resched(void);
 # define might_sleep() \
         do { __might_sleep(__FILE__, __LINE__, 0); might_resched(); } while (0)
 #else
-  static inline void __might_sleep(char *file, int line, int preempt_offset) { }
+  static inline void __might_sleep(const char *file, int line,
+                                   int preempt_offset) { }
 # define might_sleep() do { might_resched(); } while (0)
 #endif
 
@@ -158,12 +171,18 @@ static inline void might_fault(void)
 }
 #endif
 
+struct va_format {
+        const char *fmt;
+        va_list *va;
+};
+
 extern struct atomic_notifier_head panic_notifier_list;
-extern long (*panic_blink)(long time);
+extern long (*panic_blink)(int state);
 NORET_TYPE void panic(const char * fmt, ...)
         __attribute__ ((NORET_AND format (printf, 1, 2))) __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;
@@ -234,6 +253,13 @@ extern struct pid *session_of_pgrp(struct pid *pgrp);
 #define FW_WARN         "[Firmware Warn]: "
 #define FW_INFO         "[Firmware Info]: "
 
+/*
+ * HW_ERR
+ * Add this to a message for hardware errors, so that user can report
+ * it to hardware vendor instead of LKML or software vendor.
+ */
+#define HW_ERR          "[Hardware Error]: "
+
 #ifdef CONFIG_PRINTK
 asmlinkage int vprintk(const char *fmt, va_list args)
         __attribute__ ((format (printf, 1, 0)));
@@ -280,6 +306,13 @@ static inline void log_buf_kexec_setup(void)
 }
 #endif
 
+/*
+ * Dummy printk for disabled debugging statements to use whilst maintaining
+ * gcc's format and side-effect checking.
+ */
+static inline __attribute__ ((format (printf, 1, 2)))
+int no_printk(const char *s, ...) { return 0; }
+
 extern int printk_needs_cpu(int cpu);
 extern void printk_tick(void);
 
@@ -333,6 +366,7 @@ extern enum system_states {
 #define TAINT_OVERRIDDEN_ACPI_TABLE     8
 #define TAINT_WARN                      9
 #define TAINT_CRAP                      10
+#define TAINT_FIRMWARE_WORKAROUND       11
 
 extern void dump_stack(void) __cold;
 
@@ -361,6 +395,8 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         return buf;
 }
 
+extern int hex_to_bin(char ch);
+
 #ifndef pr_fmt
 #define pr_fmt(fmt) fmt
 #endif
@@ -375,6 +411,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_warning(fmt, ...) \
         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warn pr_warning
 #define pr_notice(fmt, ...) \
         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info(fmt, ...) \
@@ -409,14 +446,13 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
  * no local ratelimit_state used in the !PRINTK case
  */
 #ifdef CONFIG_PRINTK
-#define printk_ratelimited(fmt, ...)  ({                \
-        static struct ratelimit_state _rs = {           \
-                .interval = DEFAULT_RATELIMIT_INTERVAL, \
-                .burst = DEFAULT_RATELIMIT_BURST,       \
-        };                                              \
-                                                        \
-        if (!__ratelimit(&_rs))                         \
-                printk(fmt, ##__VA_ARGS__);             \
+#define printk_ratelimited(fmt, ...)  ({                                \
+        static DEFINE_RATELIMIT_STATE(_rs,                              \
+                                      DEFAULT_RATELIMIT_INTERVAL,       \
+                                      DEFAULT_RATELIMIT_BURST);         \
+                                                                        \
+        if (__ratelimit(&_rs))                                          \
+                printk(fmt, ##__VA_ARGS__);                             \
 })
 #else
 /* No effect, but we still get type checking even in the !PRINTK case: */
@@ -433,6 +469,7 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_warning_ratelimited(fmt, ...) \
         printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_warn_ratelimited pr_warning_ratelimited
 #define pr_notice_ratelimited(fmt, ...) \
         printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
 #define pr_info_ratelimited(fmt, ...) \
@@ -479,14 +516,18 @@ static inline void tracing_off(void) { }
 static inline void tracing_off_permanent(void) { }
 static inline int tracing_is_on(void) { return 0; }
 #endif
+
+enum ftrace_dump_mode {
+        DUMP_NONE,
+        DUMP_ALL,
+        DUMP_ORIG,
+};
+
 #ifdef CONFIG_TRACING
 extern void tracing_start(void);
 extern void tracing_stop(void);
 extern void ftrace_off_permanent(void);
 
-extern void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
-
 static inline void __attribute__ ((format (printf, 1, 2)))
 ____trace_printk_check_format(const char *fmt, ...)
 {
@@ -560,10 +601,8 @@ __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap);
 extern int
 __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap);
 
-extern void ftrace_dump(void);
+extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode);
 #else
-static inline void
-ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
 trace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 
@@ -581,21 +620,10 @@ ftrace_vprintk(const char *fmt, va_list ap)
 {
         return 0;
 }
-static inline void ftrace_dump(void) { }
+static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 #endif /* CONFIG_TRACING */
 
 /*
- *      Display an IP address in readable format.
- */
-
-#define NIPQUAD(addr) \
-        ((unsigned char *)&addr)[0], \
-        ((unsigned char *)&addr)[1], \
-        ((unsigned char *)&addr)[2], \
-        ((unsigned char *)&addr)[3]
-#define NIPQUAD_FMT "%u.%u.%u.%u"
-
-/*
  * min()/max()/clamp() macros that also do
  * strict type-checking.. See the
  * "unnecessary" pointer comparison.
@@ -704,12 +732,6 @@ extern int do_sysinfo(struct sysinfo *info);
 
 #endif /* __KERNEL__ */
 
-#ifndef __EXPORTED_HEADERS__
-#ifndef __KERNEL__
-#warning Attempt to use kernel headers from user space, see http://kernelnewbies.org/KernelHeaders
-#endif /* __KERNEL__ */
-#endif /* __EXPORTED_HEADERS__ */
-
 #define SI_LOAD_SHIFT   16
 struct sysinfo {
         long uptime;                    /* Seconds since boot */