r323155 - 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..

[Hans Wennborg via cfe-commits]

Thanks! I've merged them to 6.0 as below and they will be part of rc2,
scheduled for next week.

Chandler, do you want to write release notes for this?

On Thu, Feb 1, 2018 at 8:09 PM, Chandler Carruth <chandlerc at gmail.com> wrote:
> +Hans Wennborg +tstellar at redhat.com
>
> So the retpoline patch series we should get back ported start with this
> revision and have two follow ups:
> r323155

Merged in r324067 (llvm), r324068 (cfe), r324069 (lld)

> r323288

Merged in r324070.

> r323915

Merged in r324071.

>
> +Reid Kleckner was going to look at doing the (likely more involved)
> backport to the 5 branch....
>
> On Mon, Jan 22, 2018 at 2:06 PM Chandler Carruth via cfe-commits
> <cfe-commits at lists.llvm.org> wrote:
>>
>> Author: chandlerc
>> Date: Mon Jan 22 14:05:25 2018
>> New Revision: 323155
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=323155&view=rev
>> Log:
>> 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..