On Fri, May 07, 2021 at 10:40:34AM +0200, Jan Beulich wrote:
> This is a partial revert of 540d911c2813 ("x86/CPUID: shrink
> max_{,sub}leaf fields according to actual leaf contents"). Andrew points
> out that XXX.
>
> Reported-by: Andrew Cooper <[email protected]>
> Signed-off-by: Jan Beulich <[email protected]>
> ---
> Obviously the XXX wants filling in. So far I did not really understand
> what bad consequences there might be, but I can agree with the undoing
> of this part of the original change along the lines of why the Viridian
> side adjustment was also requested to be dropped (before the patch went
> in).
I have to admit I'm confused about this. Here the maximum leaf
reported only changes between PV and HVM, but never as a result of the
features exposed, which I think should be fine?
Ie: I recall the problem being the maximum leaf possibly shrinking
when migrating, but that's not the case.
Thanks, Roger.
