dump_stack: consolidate dump_stack() implementations and unify their behaviors

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / printk.h

diff --git a/include/linux/printk.h b/include/linux/printk.h
index 822171fcb1c82bd110472975d63fd4c2ed5fe8f2..7ce1f878cf6ad2f538ec3b9185077593fa171626 100644 (file)
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -1,6 +1,7 @@
 #ifndef __KERNEL_PRINTK__
 #define __KERNEL_PRINTK__
 
+#include <stdarg.h>
 #include <linux/init.h>
 #include <linux/kern_levels.h>
 
@@ -95,8 +96,14 @@ int no_printk(const char *fmt, ...)
        return 0;
 }
 
+#ifdef CONFIG_EARLY_PRINTK
 extern asmlinkage __printf(1, 2)
 void early_printk(const char *fmt, ...);
+void early_vprintk(const char *fmt, va_list ap);
+#else
+static inline __printf(1, 2) __cold
+void early_printk(const char *s, ...) { }
+#endif
 
 #ifdef CONFIG_PRINTK
 asmlinkage __printf(5, 0)
@@ -138,6 +145,7 @@ extern void wake_up_klogd(void);
 
 void log_buf_kexec_setup(void);
 void __init setup_log_buf(int early);
+void dump_stack_print_info(const char *log_lvl);
 #else
 static inline __printf(1, 0)
 int vprintk(const char *s, va_list args)
@@ -175,6 +183,10 @@ static inline void log_buf_kexec_setup(void)
 static inline void setup_log_buf(int early)
 {
 }
+
+static inline void dump_stack_print_info(const char *log_lvl)
+{
+}
 #endif
 
 extern void dump_stack(void) __cold;