Re: [PATCH v2 8/8] x86/msr: Drop compatibility #GP handling in guest_{rd,wr}msr()

[Jan Beulich <jbeulich@xxxxxxxx>]

On 20.08.2020 17:08, Roger Pau Monne wrote:
> Now that the main PV/HVM MSR handlers raise #GP for all unknown MSRs, there is
> no need to special case these MSRs any more.

I agree, yet I'd like to point out (based on past backporting of
security fixes) that this change may end up being a good source
of backporting mistakes, as 4.14 may need chunks added here which
on master / staging have no place anymore.

Jan