# Re: \[RFC PATCH v6 10/11\] x86/vsyscall/64: Add ENDBR64 to vsyscall entry points

- From: Andy Lutomirski \<luto@amacapital.net\>
- Date: 2018-11-19 22:23:05 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2018/11/5438562
- Thread: https://ratatoskr.run/linux-doc/2018/11/5438521/t.md

```text
On Mon, Nov 19, 2018 at 1:55 PM Yu-cheng Yu [ref] wrote:
>
> From: "H.J. Lu" <redacted>
>
> Add ENDBR64 to vsyscall entry points.
>
> Signed-off-by: H.J. Lu <redacted>

Acked-by: Andy Lutomirski <luto@kernel.org>

although the scenarios where this matters will be extremely rare,
given that this code is mapped NX :)  Tools like 'pin' may care.

--Andy
```