On 25/03/2016 14:19, Xiao Guangrong wrote:
> Currently only PT64_ROOT_LEVEL - 1 levels are used, one additional entry
> in .parent[] is used as a sentinel, the additional entry in .idx[] is
> purely wasted
>
> This patch reduces its size and sets the sentinel on the upper level of
> the place where we start from
This patch and the previous one are basically redoing commit
0a47cd85833e ("KVM: MMU: Fix ubsan warnings", 2016-03-04). While you
find your version easier to understand, I of course find mine easier.
Rather than getting stuck in a ko fight, the solution is to stick with
the code in KVM and add comments. I'll give it a try...
Paolo
