1 files changed, 0 insertions, 60 deletions
diff --git a/arch/sparc64/kernel/kstack.h b/arch/sparc64/kernel/kstack.h
deleted file mode 100644
index 4248d969272f..000000000000
--- a/arch/sparc64/kernel/kstack.h
+++ /dev/null
@@ -1,60 +0,0 @@
-#ifndef _KSTACK_H
-#define _KSTACK_H
-
-#include <linux/thread_info.h>
-#include <linux/sched.h>
-#include <asm/ptrace.h>
-#include <asm/irq.h>
-
-/* SP must be STACK_BIAS adjusted already.  */
-static inline bool kstack_valid(struct thread_info *tp, unsigned long sp)
-{
-	unsigned long base = (unsigned long) tp;
-
-	if (sp >= (base + sizeof(struct thread_info)) &&
-	    sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf)))
-		return true;
-
-	if (hardirq_stack[tp->cpu]) {
-		base = (unsigned long) hardirq_stack[tp->cpu];
-		if (sp >= base &&
-		    sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf)))
-			return true;
-		base = (unsigned long) softirq_stack[tp->cpu];
-		if (sp >= base &&
-		    sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf)))
-			return true;
-	}
-	return false;
-}
-
-/* Does "regs" point to a valid pt_regs trap frame?  */
-static inline bool kstack_is_trap_frame(struct thread_info *tp, struct pt_regs *regs)
-{
-	unsigned long base = (unsigned long) tp;
-	unsigned long addr = (unsigned long) regs;
-
-	if (addr >= base &&
-	    addr <= (base + THREAD_SIZE - sizeof(*regs)))
-		goto check_magic;
-
-	if (hardirq_stack[tp->cpu]) {
-		base = (unsigned long) hardirq_stack[tp->cpu];
-		if (addr >= base &&
-		    addr <= (base + THREAD_SIZE - sizeof(*regs)))
-			goto check_magic;
-		base = (unsigned long) softirq_stack[tp->cpu];
-		if (addr >= base &&
-		    addr <= (base + THREAD_SIZE - sizeof(*regs)))
-			goto check_magic;
-	}
-	return false;
-
-check_magic:
-	if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC)
-		return true;
-	return false;
-
-}
-
-#endif /* _KSTACK_H */