Re: [PATCH v2 2/2] rust: std_vendor: add `likely()`, `unlikely()` and `cold_path()`

Miguel Ojeda <[email protected]> Fri, 10 Jul 2026 16:04:53 +0200

Newsgroups	dev.linux.lists.llvm,org.kernel.vger.rust-for-linux
Message-ID	<CANiq72m37+nKB_L5W3EraM5APnG+pEPemadF3sEt3fud_qKNpw@mail.gmail.com>

On Fri, Jul 10, 2026 at 4:00 PM Gary Guo <[email protected]> wrote:
>
> It might worth adding a user for this too in v3. `warn_flags!()` would be a good
> example.

+1, yeah.

We will need to go back to v1 or similar (simpler now with the new
MSRV), because if I recall correctly, I noticed at some point that v3
wouldn't actually generate the same assembly, which is why I didn't
apply it yet. I have to re-recheck and send a new one.

Cheers,
Miguel