[PATCH] D41723: Introduce the "retpoline" x86 mitigation technique for variant #2 of the speculative execution vulnerabilities disclosed today, specifically identified by CVE-2017-5715, "Branch Target Injection", and is one of the two halves to Spectre..

[Eric Christopher via Phabricator via llvm-commits]

echristo added a comment.

In https://reviews.llvm.org/D41723#967557, @emaste wrote:

> Is there any plan (or willingness?) to backport this further, to 4.0.0 and even 3.4.1?


I don't really have plans for it, but it should be relatively straightforward to backport at least some of it across a couple years worth of llvm releases.


https://reviews.llvm.org/D41723