Re: [PATCH 0/3] ftrace: Introduce PERMANENT ftrace_ops flag

[Miroslav Benes]

On Thu, 10 Oct 2019, Steven Rostedt wrote:

> On Thu, 10 Oct 2019 10:50:35 +0200
> Petr Mladek <pmladek@xxxxxxxx> wrote:
> 
> > It will make the flag unusable for other ftrace users. But it
> > will be already be the case when it can't be disabled.
> 
> Honestly, I hate that flag. Most people don't even know about it. It
> was added in the beginning of ftrace as a way to stop function tracing
> in the latency tracer. But that use case has been obsoleted by
> 328df4759c03e ("tracing: Add function-trace option to disable function
> tracing of latency tracers"). I may just remove the damn thing and only
> add it back if somebody complains about it.

That would of course solve the issue too and code removal is always 
better.

Miroslav