sparc64: Implement IRQ stacks.

[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / traps.c

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 404e8561e2d0cec8b6d52a38be95d360624b0be7..3d924121c7960dd5b577c291a9a2dd716a272b2d 100644 (file)
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -39,6 +39,7 @@
 #include <asm/prom.h>
 
 #include "entry.h"
+#include "kstack.h"
 
 /* When an irrecoverable trap occurs at tl > 0, the trap entry
  * code logs the trap state registers at every level in the trap
@@ -2115,14 +2116,12 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
                struct pt_regs *regs;
                unsigned long pc;
 
-               /* Bogus frame pointer? */
-               if (fp < (thread_base + sizeof(struct thread_info)) ||
-                   fp >= (thread_base + THREAD_SIZE))
+               if (!kstack_valid(tp, fp))
                        break;
                sf = (struct sparc_stackf *) fp;
                regs = (struct pt_regs *) (sf + 1);
 
-               if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+               if (kstack_is_trap_frame(tp, regs)) {
                        if (!(regs->tstate & TSTATE_PRIV))
                                break;
                        pc = regs->tpc;