[PARISC] clean up show_stack

[sfrench/cifs-2.6.git] / arch / parisc / kernel / traps.c

diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 99fd56939afa73909f4aabbe9fe88a490afa3748..9dc6dc42f9cfb151e5d827338c9e27431e40c58d 100644 (file)
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -51,6 +51,9 @@
 DEFINE_SPINLOCK(pa_dbit_lock);
 #endif
 
+void parisc_show_stack(struct task_struct *t, unsigned long *sp,
+       struct pt_regs *regs);
+
 static int printbinary(char *buf, unsigned long x, int nbits)
 {
        unsigned long mask = 1UL << (nbits - 1);
@@ -148,6 +151,8 @@ void show_regs(struct pt_regs *regs)
        print_symbol(" IAOQ[1]: %s\n", regs->iaoq[1]);
        printk(level);
        print_symbol(" RP(r2): %s\n", regs->gr[2]);
+
+       parisc_show_stack(current, NULL, regs);
 }
 
 
@@ -181,11 +186,19 @@ static void do_show_stack(struct unwind_frame_info *info)
        printk("\n");
 }
 
-void show_stack(struct task_struct *task, unsigned long *s)
+void parisc_show_stack(struct task_struct *task, unsigned long *sp,
+       struct pt_regs *regs)
 {
        struct unwind_frame_info info;
+       struct task_struct *t;
+
+       t = task ? task : current;
+       if (regs) {
+               unwind_frame_init(&info, t, regs);
+               goto show_stack;
+       }
 
-       if (!task) {
+       if (t == current) {
                unsigned long sp;
 
 HERE:
@@ -201,12 +214,18 @@ HERE:
                        unwind_frame_init(&info, current, &r);
                }
        } else {
-               unwind_frame_init_from_blocked_task(&info, task);
+               unwind_frame_init_from_blocked_task(&info, t);
        }
 
+show_stack:
        do_show_stack(&info);
 }
 
+void show_stack(struct task_struct *t, unsigned long *sp)
+{
+       return parisc_show_stack(t, sp, NULL);
+}
+
 int is_valid_bugaddr(unsigned long iaoq)
 {
        return 1;