提交 1d74f2a0 编写于 作者: A Abhishek Sagar 提交者: Ingo Molnar

ftrace: remove ftrace_ip_converted()

Remove the unneeded function ftrace_ip_converted().
Signed-off-by: NAbhishek Sagar <sagar.abhishek@gmail.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 0eb96701
......@@ -22,16 +22,6 @@
static unsigned long bl_insn;
static const unsigned long NOP = 0xe1a00000; /* mov r0, r0 */
/* return true if mcount call site is already patched/no-op'ed */
int ftrace_ip_converted(unsigned long pc)
{
unsigned long save;
pc -= INSN_SIZE;
save = *(unsigned long *)pc;
return save == NOP;
}
unsigned char *ftrace_nop_replace(void)
{
return (char *)&NOP;
......
......@@ -27,16 +27,6 @@ static unsigned int ftrace_nop = 0x60000000;
# define GET_ADDR(addr) *(unsigned long *)addr
#endif
notrace int ftrace_ip_converted(unsigned long ip)
{
unsigned int save;
ip -= CALL_BACK;
save = *(unsigned int *)ip;
return save == ftrace_nop;
}
static unsigned int notrace ftrace_calc_offset(long ip, long addr)
{
return (int)((addr + CALL_BACK) - ip);
......
......@@ -7,13 +7,6 @@
static const u32 ftrace_nop = 0x01000000;
notrace int ftrace_ip_converted(unsigned long ip)
{
u32 insn = *(u32 *) ip;
return (insn == ftrace_nop);
}
notrace unsigned char *ftrace_nop_replace(void)
{
return (char *)&ftrace_nop;
......
......@@ -31,16 +31,6 @@ union ftrace_code_union {
} __attribute__((packed));
};
notrace int ftrace_ip_converted(unsigned long ip)
{
unsigned long save;
ip -= CALL_BACK;
save = *(long *)ip;
return save == *ftrace_nop;
}
static int notrace ftrace_calc_offset(long ip, long addr)
{
return (int)(addr - ip);
......
......@@ -306,13 +306,6 @@ ftrace_record_ip(unsigned long ip)
if (ftrace_ip_in_hash(ip, key))
goto out_unlock;
/*
* There's a slight race that the ftraced will update the
* hash and reset here. If it is already converted, skip it.
*/
if (ftrace_ip_converted(ip))
goto out_unlock;
node = ftrace_alloc_dyn_node(ip);
if (!node)
goto out_unlock;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册