sparc64: Implement IRQ stacks.

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

diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c
index e9d7f0660f2e044643182cb2e85f9fde7dc5006b..237e7f8a40ac6f0bd3e161aca622b06ebd96366f 100644 (file)
--- a/arch/sparc64/kernel/stacktrace.c
+++ b/arch/sparc64/kernel/stacktrace.c
@@ -5,6 +5,8 @@
 #include <asm/ptrace.h>
 #include <asm/stacktrace.h>
 
+#include "kstack.h"
+
 void save_stack_trace(struct stack_trace *trace)
 {
        unsigned long ksp, fp, thread_base;
@@ -24,17 +26,13 @@ void save_stack_trace(struct stack_trace *trace)
                struct pt_regs *regs;
                unsigned long pc;
 
-               /* Bogus frame pointer? */
-               if (fp < (thread_base + sizeof(struct thread_info)) ||
-                   fp > (thread_base + THREAD_SIZE - sizeof(struct sparc_stackf)))
+               if (!kstack_valid(tp, fp))
                        break;
 
                sf = (struct sparc_stackf *) fp;
                regs = (struct pt_regs *) (sf + 1);
 
-               if (((unsigned long)regs <=
-                    (thread_base + THREAD_SIZE - sizeof(*regs))) &&
-                   (regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+               if (kstack_is_trap_frame(tp, regs)) {
                        if (!(regs->tstate & TSTATE_PRIV))
                                break;
                        pc = regs->tpc;