1 files changed, 0 insertions, 64 deletions
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c
deleted file mode 100644
index acb12f673757..000000000000
--- a/arch/sparc64/kernel/stacktrace.c
+++ /dev/null
@@ -1,64 +0,0 @@
-#include <linux/sched.h>
-#include <linux/stacktrace.h>
-#include <linux/thread_info.h>
-#include <linux/module.h>
-#include <asm/ptrace.h>
-#include <asm/stacktrace.h>
-
-#include "kstack.h"
-
-static void __save_stack_trace(struct thread_info *tp,
-			       struct stack_trace *trace,
-			       bool skip_sched)
-{
-	unsigned long ksp, fp;
-
-	if (tp == current_thread_info()) {
-		stack_trace_flush();
-		__asm__ __volatile__("mov %%fp, %0" : "=r" (ksp));
-	} else {
-		ksp = tp->ksp;
-	}
-
-	fp = ksp + STACK_BIAS;
-	do {
-		struct sparc_stackf *sf;
-		struct pt_regs *regs;
-		unsigned long pc;
-
-		if (!kstack_valid(tp, fp))
-			break;
-
-		sf = (struct sparc_stackf *) fp;
-		regs = (struct pt_regs *) (sf + 1);
-
-		if (kstack_is_trap_frame(tp, regs)) {
-			if (!(regs->tstate & TSTATE_PRIV))
-				break;
-			pc = regs->tpc;
-			fp = regs->u_regs[UREG_I6] + STACK_BIAS;
-		} else {
-			pc = sf->callers_pc;
-			fp = (unsigned long)sf->fp + STACK_BIAS;
-		}
-
-		if (trace->skip > 0)
-			trace->skip--;
-		else if (!skip_sched || !in_sched_functions(pc))
-			trace->entries[trace->nr_entries++] = pc;
-	} while (trace->nr_entries < trace->max_entries);
-}
-
-void save_stack_trace(struct stack_trace *trace)
-{
-	__save_stack_trace(current_thread_info(), trace, false);
-}
-EXPORT_SYMBOL_GPL(save_stack_trace);
-
-void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
-{
-	struct thread_info *tp = task_thread_info(tsk);
-
-	__save_stack_trace(tp, trace, true);
-}
-EXPORT_SYMBOL_GPL(save_stack_trace_tsk);