x86: add the capability to print fuzzy backtraces

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / traps_32.c

diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index acc9af260facc598ae0dcaf833431503a93d815f..8ef8a9ddfec60aceee9b37f2fca29df45c4d7c3d 100644 (file)
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -126,7 +126,7 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
 
                addr = frame->return_address;
                if (__kernel_text_address(addr))
-                       ops->address(data, addr);
+                       ops->address(data, addr, 1);
                /*
                 * break out of recursive entries (such as
                 * end_of_stack_stop_unwind_function). Also,
@@ -145,7 +145,7 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
 
                addr = *stack++;
                if (__kernel_text_address(addr))
-                       ops->address(data, addr);
+                       ops->address(data, addr, 1);
        }
 #endif
        return bp;
@@ -220,9 +220,11 @@ static int print_trace_stack(void *data, char *name)
 /*
  * Print one address/symbol entries per line.
  */
-static void print_trace_address(void *data, unsigned long addr)
+static void print_trace_address(void *data, unsigned long addr, int reliable)
 {
        printk("%s [<%08lx>] ", (char *)data, addr);
+       if (!reliable)
+               printk("? ");
        print_symbol("%s\n", addr);
        touch_nmi_watchdog();
 }