ftrace: Clean comments related to FTRACE_OPS_FL_PER_CPU
Commitb3a88803ac
("ftrace: Kill FTRACE_OPS_FL_PER_CPU") didn't completely remove the comments related to FTRACE_OPS_FL_PER_CPU. Link: https://lkml.kernel.org/r/20221025153923.1995973-1-zhengyejian1@huawei.com Fixes:b3a88803ac
("ftrace: Kill FTRACE_OPS_FL_PER_CPU") Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
parent
4313e5a613
commit
78a01feb40
|
@ -163,7 +163,7 @@ static void ftrace_sync_ipi(void *data)
|
|||
static ftrace_func_t ftrace_ops_get_list_func(struct ftrace_ops *ops)
|
||||
{
|
||||
/*
|
||||
* If this is a dynamic, RCU, or per CPU ops, or we force list func,
|
||||
* If this is a dynamic or RCU ops, or we force list func,
|
||||
* then it needs to call the list anyway.
|
||||
*/
|
||||
if (ops->flags & (FTRACE_OPS_FL_DYNAMIC | FTRACE_OPS_FL_RCU) ||
|
||||
|
@ -3071,8 +3071,6 @@ out:
|
|||
/*
|
||||
* Dynamic ops may be freed, we must make sure that all
|
||||
* callers are done before leaving this function.
|
||||
* The same goes for freeing the per_cpu data of the per_cpu
|
||||
* ops.
|
||||
*/
|
||||
if (ops->flags & FTRACE_OPS_FL_DYNAMIC) {
|
||||
/*
|
||||
|
@ -7519,8 +7517,6 @@ __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
|
|||
/*
|
||||
* Check the following for each ops before calling their func:
|
||||
* if RCU flag is set, then rcu_is_watching() must be true
|
||||
* if PER_CPU is set, then ftrace_function_local_disable()
|
||||
* must be false
|
||||
* Otherwise test if the ip matches the ops filter
|
||||
*
|
||||
* If any of the above fails then the op->func() is not executed.
|
||||
|
@ -7570,8 +7566,8 @@ NOKPROBE_SYMBOL(arch_ftrace_ops_list_func);
|
|||
|
||||
/*
|
||||
* If there's only one function registered but it does not support
|
||||
* recursion, needs RCU protection and/or requires per cpu handling, then
|
||||
* this function will be called by the mcount trampoline.
|
||||
* recursion, needs RCU protection, then this function will be called
|
||||
* by the mcount trampoline.
|
||||
*/
|
||||
static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,
|
||||
struct ftrace_ops *op, struct ftrace_regs *fregs)
|
||||
|
|
Loading…
Reference in New Issue