Add a dummy printk function for the maintenance of unused printks

[net-next-2.6.git] / include / linux / kernel.h

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 5de838b0fc1a62afb20fb75eda44089937f87eea..2b0a35e6bc691896609944c114328b414be37a12 100644 (file)
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -177,11 +177,12 @@ struct va_format {
 };
 
 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;
@@ -252,6 +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)));
@@ -298,6 +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);
 
@@ -513,9 +528,6 @@ 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, ...)
 {
@@ -591,8 +603,6 @@ __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 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)));
 
@@ -613,17 +623,6 @@ ftrace_vprintk(const char *fmt, va_list ap)
 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