[PATCH] i386: Add SMP support on i386 to reservation framework

[powerpc.git] / arch / i386 / kernel / traps.c

diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 82e0fd0..3a07b26 100644 (file)
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -92,7 +92,11 @@ asmlinkage void spurious_interrupt_bug(void);
 asmlinkage void machine_check(void);
 
 static int kstack_depth_to_print = 24;
+#ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
+#else
+#define call_trace (-1)
+#endif
 ATOMIC_NOTIFIER_HEAD(i386die_chain);
 
 int register_die_notifier(struct notifier_block *nb)
@@ -187,22 +191,21 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
                        if (unwind_init_blocked(&info, task) == 0)
                                unw_ret = show_trace_unwind(&info, log_lvl);
                }
-               if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
-#ifdef CONFIG_STACK_UNWIND
-                       print_symbol("DWARF2 unwinder stuck at %s\n",
-                                    UNW_PC(&info));
-                       if (call_trace == 1) {
-                               printk("Leftover inexact backtrace:\n");
-                               if (UNW_SP(&info))
+               if (unw_ret > 0) {
+                       if (call_trace == 1 && !arch_unw_user_mode(&info)) {
+                               print_symbol("DWARF2 unwinder stuck at %s\n",
+                                            UNW_PC(&info));
+                               if (UNW_SP(&info) >= PAGE_OFFSET) {
+                                       printk("Leftover inexact backtrace:\n");
                                        stack = (void *)UNW_SP(&info);
-                       } else if (call_trace > 1)
+                               } else
+                                       printk("Full inexact backtrace again:\n");
+                       } else if (call_trace >= 1)
                                return;
                        else
                                printk("Full inexact backtrace again:\n");
-#else
+               } else
                        printk("Inexact backtrace:\n");
-#endif
-               }
        }
 
        if (task == current) {
@@ -721,7 +724,7 @@ static void default_do_nmi(struct pt_regs * regs)
                 * so it must be the NMI watchdog.
                 */
                if (nmi_watchdog) {
-                       nmi_watchdog_tick(regs);
+                       nmi_watchdog_tick(regs, reason);
                        return;
                }
 #endif
@@ -1241,6 +1244,7 @@ static int __init kstack_setup(char *s)
 }
 __setup("kstack=", kstack_setup);
 
+#ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
        if (strcmp(s, "old") == 0)
@@ -1254,3 +1258,4 @@ static int __init call_trace_setup(char *s)
        return 1;
 }
 __setup("call_trace=", call_trace_setup);
+#endif