Merge branch 'core/debug' into core/core

2 files changed, 15 insertions, 24 deletions

diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index 12c07c1866b2..b8ba6941f587 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -33,15 +33,14 @@ struct bug_entry {
 
 #ifndef __WARN
 #ifndef __ASSEMBLY__
-extern void warn_on_slowpath(const char *file, const int line);
 extern void warn_slowpath(const char *file, const int line,
                 const char *fmt, ...) __attribute__((format(printf, 3, 4)));
 #define WANT_WARN_ON_SLOWPATH
 #endif
-#define __WARN() warn_on_slowpath(__FILE__, __LINE__)
-#define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
+#define __WARN()                warn_slowpath(__FILE__, __LINE__, NULL)
+#define __WARN_printf(arg...)   warn_slowpath(__FILE__, __LINE__, arg)
 #else
-#define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)
+#define __WARN_printf(arg...)   do { printk(arg); __WARN(); } while (0)
 #endif
 
 #ifndef WARN_ON
diff --git a/kernel/panic.c b/kernel/panic.c
index 4d5088355bfe..13f06349a786 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -21,6 +21,7 @@
 #include <linux/debug_locks.h>
 #include <linux/random.h>
 #include <linux/kallsyms.h>
+#include <linux/dmi.h>
 
 int panic_on_oops;
 static unsigned long tainted_mask;
@@ -321,36 +322,27 @@ void oops_exit(void)
 }
 
 #ifdef WANT_WARN_ON_SLOWPATH
-void warn_on_slowpath(const char *file, int line)
-{
-        char function[KSYM_SYMBOL_LEN];
-        unsigned long caller = (unsigned long) __builtin_return_address(0);
-        sprint_symbol(function, caller);
-
-        printk(KERN_WARNING "------------[ cut here ]------------\n");
-        printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
-                line, function);
-        print_modules();
-        dump_stack();
-        print_oops_end_marker();
-        add_taint(TAINT_WARN);
-}
-EXPORT_SYMBOL(warn_on_slowpath);
-
-
 void warn_slowpath(const char *file, int line, const char *fmt, ...)
 {
         va_list args;
         char function[KSYM_SYMBOL_LEN];
         unsigned long caller = (unsigned long)__builtin_return_address(0);
+        const char *board;
+
         sprint_symbol(function, caller);
 
         printk(KERN_WARNING "------------[ cut here ]------------\n");
         printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file,
                 line, function);
-        va_start(args, fmt);
-        vprintk(fmt, args);
-        va_end(args);
+        board = dmi_get_system_info(DMI_PRODUCT_NAME);
+        if (board)
+                printk(KERN_WARNING "Hardware name: %s\n", board);
+
+        if (fmt) {
+                va_start(args, fmt);
+                vprintk(fmt, args);
+                va_end(args);
+        }
 
         print_modules();
         dump_stack();