Re: [PATCH v6 00/10] Retpoline: Avoid speculative indirect calls in kernel

[Linus Torvalds]

On Sun, Jan 7, 2018 at 2:11 PM, David Woodhouse <dwmw@xxxxxxxxxxxx> wrote:
> This is a mitigation for the 'variant 2' attack described in
> https://googleprojectzero.blogspot.com/2018/01/reading-privileged-memory-with-side.html

Ok, I don't love the patches, but I see nothing horribly wrong here
either, and I assume the performance impact of this is pretty minimal.

Thomas? I'm obviously doing rc7 today without these, but I assume the
x86 maintainers are resigned to this all. And yes, we'll have at least
an rc8 this release..

            Linus