Re: [PATCH] x86/traps: 'Fix' safety of read_registers() in #DF path

[Jan Beulich <jbeulich@xxxxxxxx>]

On 16.10.2020 13:24, Andrew Cooper wrote:
> On a tangent, what are your views WRT backport beyond 4.14?
> 
> Back then, it was #DB which was adjacent to the guard frame (which was
> not present), but it doesn't use show_registers() by default, so I think
> the problem is mostly hidden.

I wasn't fully decided yet, but as long as it applies reasonably
cleanly I think I'm leaning towards also putting it on 4.13.
4.12 closes anyway once 4.12.4 is out, and I don't think I want
to pick up not-really-urgent changes for putting there beyond
the few ones that I already have (and that I mean to put in
alongside the XSA fixes on Tuesday); I could be talked into it,
though.

Jan