# Re: \[PATCH v19 06/25\] x86/cet: Add control-protection fault handler

- From: Borislav Petkov \<bp@alien8.de\>
- Date: 2021-02-08 20:02:23 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/02/6263290
- Thread: https://ratatoskr.run/linux-doc/2021/02/6257763/t.md

```text
On Fri, Feb 05, 2021 at 10:00:21AM -0800, Yu, Yu-cheng wrote:
> The ratelimit here is only for #CP, and its rate is not counted together
> with other types of faults.  If a task gets here, it will exit.  The only
> condition the ratelimit will trigger is when multiple tasks hit #CP at once,
> which is unlikely.  Are you suggesting that we do not need the ratelimit
> here?

I'm trying to first find out why is it there.

Is this something you've hit during testing and thought, oh well, this
needs a ratelimit or was it added just because?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette
```