Re: [PATCH] x86/Kconfig: make CFI_AUTO_DEFAULT depend on !RUST

[Miguel Ojeda]

On Fri, May 9, 2025 at 10:46 AM Alice Ryhl <aliceryhl@xxxxxxxxxx> wrote:
>
> Actually ... I don't think putting it on CFI_AUTO_DEFAULT the right
> approach.
>
> Shouldn't the depends on clause go on `config FINEIBT` instead? After
> all, the current patch just means that you can't make FineIBT the
> default option. But you can still pass kcfi=fineibt on boot to enble
> FineIBT which would result in the same crash.

I thought the intention was to avoid disabling FineIBT at config time:
https://lore.kernel.org/all/202504161442.66CE2596@keescook/

If another approach is needed, then we can change it on top if that is
OK (I am about to submit the PR).

Cheers,
Miguel