# Re: \[PATCH v9 1/5\] rust: add generic static\_key\_false

- From: Steven Rostedt \<rostedt@goodmis.org\>
- Date: 2024-10-10 19:43:18 
- List: linux-trace-kernel
- Page: https://ratatoskr.run/linux-trace-kernel/2024/10/2777955
- Thread: https://ratatoskr.run/linux-trace-kernel/2024/10/2764616/t.md

```text
On Tue, 1 Oct 2024 14:15:43 -0700
Josh Poimboeuf [ref] wrote:

> On Tue, Oct 01, 2024 at 01:29:58PM +0000, Alice Ryhl wrote:
> > Add just enough support for static key so that we can use it from
> > tracepoints. Tracepoints rely on `static_key_false` even though it is
> > deprecated, so we add the same functionality to Rust.  
> 
> Instead of extending the old deprecated static key interface into Rust,
> can we just change tracepoints to use the new one?
> 
> /me makes a note to go convert the other users...
> 
> From: Josh Poimboeuf <jpoimboe@kernel.org>
> Subject: [PATCH] tracepoints: Use new static branch API
> 
> The old static key API based on 'struct static_key' is deprecated.
> Convert tracepoints to use the new API.
> 
> Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>

Alice,

Can you send a v10 with the added acks and whitespace fixes as well as
using static_branch_unlikely(), and I'll pull it into my tree.

Base it off of v6.12-rc2.

Thanks,

-- Steve
```