---

yaml --- r: 140346 b: refs/heads/master c: 28a0ce7 h: refs/heads/master v: v3
git-mirror · Apr 3, 2009 · c8c69a8 · c8c69a8
1 parent 31c0685
commit c8c69a8
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Showing 2 changed files with 7 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 35f9cd083b350ad4eb3b5f159c7738fa9ddff40a
+refs/heads/master: 28a0ce7f642f503dde866f763e8144a517fdf74a
diff --git a/trunk/arch/xtensa/kernel/traps.c b/trunk/arch/xtensa/kernel/traps.c
@@ -372,11 +372,10 @@ void show_trace(struct task_struct *task, unsigned long *sp)
 	unsigned long a0, a1, pc;
 	unsigned long sp_start, sp_end;
 
-	a1 = (unsigned long)sp;
-
-	if (a1 == 0)
-		__asm__ __volatile__ ("mov %0, a1\n" : "=a"(a1));
-
+	if (sp)
+		a1 = (unsigned long)sp;
+	else
+		a1 = task->thread.sp;
 
 	sp_start = a1 & ~(THREAD_SIZE-1);
 	sp_end = sp_start + THREAD_SIZE;
@@ -418,9 +417,8 @@ void show_stack(struct task_struct *task, unsigned long *sp)
 	int i = 0;
 	unsigned long *stack;
 
-	if (sp == 0)
-		__asm__ __volatile__ ("mov %0, a1\n" : "=a"(sp));
-
+	if (!sp)
+		sp = (unsigned long *)task->thread.sp;
  	stack = sp;
 
 	printk("\nStack: ");