On 05/07/2016 07:50, Wanpeng Li wrote: >> > This needs a comment: >> > >> > /* >> > * There are two cases in which execonly is false: 1) for >> > * non-EPT page tables, in which case we need to set the >> > * P bit; 2) for EPT page tables where an X-- page table > In the scenario of non-EPT shadow page table and non-nested, the > present bit can't be set any more since > context->guest_rsvd_check.bad_mt_xwr is always 0.
This will be fixed with a new shadow_present_mask variable. Paolo
