Re: [PATCH v6 10/13] x86/bugs: Rename RETHUNK to MITIGATION_RETHUNK

[Andrew Cooper]

On 21/11/2023 4:07 pm, Breno Leitao wrote:
> CPU mitigations config entries are inconsistent, and names are hard to
> related. There are concrete benefits for both users and developers of
> having all the mitigation config options living in the same config
> namespace.
>
> The mitigation options should have consistency and start with
> MITIGATION.
>
> Rename the Kconfig entry from RETHUNK to MITIGATION_RETHUNK.
>
> Suggested-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Signed-off-by: Breno Leitao <leitao@xxxxxxxxxx>

(I'm CC'd on only this single patch so I can't see what's going on, but)

Really?  Rethunk[sic] isn't a mitigation.  It's just a compiler
transformation for return instructions upon which various mitigations
depend.

~Andrew