Tag
ept
- May 6, 2025 Second-Level Address Translation: Composing Two Page Walks in Hardware How EPT and nested paging remove the shadow-table trap per guest page-table write, what the extra walk costs in memory references, and why accessed and dirty bits become a virtualization problem. virtualization
- Jan 3, 2025 Nested Paging: The Two-Dimensional Walk and the Cost of a Single Guest Access How EPT and NPT turn every guest memory access into two page walks, what an EPT violation reports, and why the hardware page-walk cache decides whether nested paging is cheap or ruinous. virtualization
- Sep 25, 2024 Hardware Dirty-Bit Tracking for Guest Memory How second-level page tables record which guest pages changed, why the first pass needs write protection, and what the bitmap costs in exits when the CPU cannot set the bit itself. virtualization