Re: [PATCH v2 1/2] x86/bugs: Don't fill RSB on VMEXIT with eIBRS+retpoline

From: Borislav Petkov
Date: Sat Dec 21 2024 - 04:13:58 EST


On Thu, Dec 05, 2024 at 03:12:07PM -0800, Josh Poimboeuf wrote:
> Ok, I'll try to write up a document. I'm thinking it should go in its
> own return-based-attacks.rst file rather than spectre.rst, which is more
> of an outdated historical document at this point.

Thanks!

> And we want this document to actually be read (and kept up to date) by
> developers instead of mostly ignored like the others.

Good idea.

Now how do we enforce this?

We could add a rule to checkpatch or to some other patch checking script
like mine here for example :-)

https://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git/log/?h=vp

--
Regards/Gruss,
Boris.

https://people.kernel.org/tglx/notes-about-netiquette