On Mon, Jan 29, 2018 at 06:07:58PM +0300, Kirill A. Shutemov wrote: > + /* > + * We are in 5-level paging mode, but we want to switch to 4-level. > + * Let's take the first entry in the top-level page table as our new > CR3. > + */ > + movl %cr3, %eax > + movl (%eax), %eax > + movl %eax, %cr3
Aghh.. Please ignore this. It would fail if CR3 points above 4G. -- Kirill A. Shutemov
