[PATCH 0/5] x86: CVE-2017-5715, aka Spectre

[Jeff Law]

On 01/08/2018 03:01 AM, Martin Liška wrote:
> On 01/08/2018 01:29 AM, H.J. Lu wrote:
>> 1. They need to be backportable to GCC 7/6/5/4.x.
> 
> I must admit this is very important constrain. To be honest, we're planning
> to backport the patchset to GCC 4.3.
Red Hat would likely be backporting a ways as well.  But I don't think
doing this at expand rather than in the targets would affect
backportability all that much, nor do I think that backporting to 10
year old compilers like SuSE and Red Hat do should drive the design
decisions :-)

jeff