1 files changed, 0 insertions, 76 deletions
diff --git a/arch/sparc64/kernel/ftrace.c b/arch/sparc64/kernel/ftrace.c
deleted file mode 100644
index d0218e73f98..00000000000
--- a/arch/sparc64/kernel/ftrace.c
+++ /dev/null
@@ -1,76 +0,0 @@
-#include <linux/spinlock.h>
-#include <linux/hardirq.h>
-#include <linux/ftrace.h>
-#include <linux/percpu.h>
-#include <linux/init.h>
-#include <linux/list.h>
-
-#include <asm/ftrace.h>
-
-static const u32 ftrace_nop = 0x01000000;
-
-unsigned char *ftrace_nop_replace(void)
-{
-	return (char *)&ftrace_nop;
-}
-
-unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr)
-{
-	static u32 call;
-	s32 off;
-
-	off = ((s32)addr - (s32)ip);
-	call = 0x40000000 | ((u32)off >> 2);
-
-	return (unsigned char *) &call;
-}
-
-int
-ftrace_modify_code(unsigned long ip, unsigned char *old_code,
-		   unsigned char *new_code)
-{
-	u32 old = *(u32 *)old_code;
-	u32 new = *(u32 *)new_code;
-	u32 replaced;
-	int faulted;
-
-	__asm__ __volatile__(
-	"1:	cas	[%[ip]], %[old], %[new]\n"
-	"	flush	%[ip]\n"
-	"	mov	0, %[faulted]\n"
-	"2:\n"
-	"	.section .fixup,#alloc,#execinstr\n"
-	"	.align	4\n"
-	"3:	sethi	%%hi(2b), %[faulted]\n"
-	"	jmpl	%[faulted] + %%lo(2b), %%g0\n"
-	"	 mov	1, %[faulted]\n"
-	"	.previous\n"
-	"	.section __ex_table,\"a\"\n"
-	"	.align	4\n"
-	"	.word	1b, 3b\n"
-	"	.previous\n"
-	: "=r" (replaced), [faulted] "=r" (faulted)
-	: [new] "0" (new), [old] "r" (old), [ip] "r" (ip)
-	: "memory");
-
-	if (replaced != old && replaced != new)
-		faulted = 2;
-
-	return faulted;
-}
-
-int ftrace_update_ftrace_func(ftrace_func_t func)
-{
-	unsigned long ip = (unsigned long)(&ftrace_call);
-	unsigned char old[MCOUNT_INSN_SIZE], *new;
-
-	memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE);
-	new = ftrace_call_replace(ip, (unsigned long)func);
-	return ftrace_modify_code(ip, old, new);
-}
-
-int __init ftrace_dyn_arch_init(void *data)
-{
-	ftrace_mcount_set(data);
-	return 0;
-}