1 files changed, 7 insertions, 13 deletions

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index bd30ecba5630..c824df13f589 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -10,6 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/linkage.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>
 #include <linux/smp.h>
@@ -39,6 +40,7 @@
 #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
@@ -1777,7 +1779,7 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent,
 	       pfx,
 	       ent->err_raddr, ent->err_size, ent->err_cpu);
 
-	__show_regs(regs);
+	show_regs(regs);
 
 	if ((cnt = atomic_read(ocnt)) != 0) {
 		atomic_set(ocnt, 0);
@@ -2115,14 +2117,12 @@ 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;
@@ -2177,7 +2177,6 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
 void die_if_kernel(char *str, struct pt_regs *regs)
 {
 	static int die_counter;
-	extern void smp_report_regs(void);
 	int count = 0;
 	
 	/* Amuse the user. */
@@ -2190,7 +2189,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
 	printk("%s(%d): %s [#%d]\n", current->comm, task_pid_nr(current), str, ++die_counter);
 	notify_die(DIE_OOPS, str, regs, 0, 255, SIGSEGV);
 	__asm__ __volatile__("flushw");
-	__show_regs(regs);
+	show_regs(regs);
 	add_taint(TAINT_DIE);
 	if (regs->tstate & TSTATE_PRIV) {
 		struct reg_window *rw = (struct reg_window *)
@@ -2215,11 +2214,6 @@ void die_if_kernel(char *str, struct pt_regs *regs)
 		}
 		user_instruction_dump ((unsigned int __user *) regs->tpc);
 	}
-#if 0
-#ifdef CONFIG_SMP
-	smp_report_regs();
-#endif
-#endif                                                	
 	if (regs->tstate & TSTATE_PRIV)
 		do_exit(SIGKILL);
 	do_exit(SIGSEGV);
@@ -2460,7 +2454,7 @@ struct trap_per_cpu trap_block[NR_CPUS];
 /* This can get invoked before sched_init() so play it super safe
  * and use hard_smp_processor_id().
  */
-void init_cur_cpu_trap(struct thread_info *t)
+void notrace init_cur_cpu_trap(struct thread_info *t)
 {
 	int cpu = hard_smp_processor_id();
 	struct trap_per_cpu *p = &trap_block[cpu];