On 6/13/19 12:27 AM, Alexander Graf wrote: >> Where's the context-switching code? Did I just miss it? > > I'm not sure I understand the question. With this mechanism, the global > linear map pages are just not present anymore, so there is no context > switching needed. For the process local memory, the page table is > already mm local, so we don't need to do anything special during context > switch, no? Thanks for explaining, I was just confused. Andy reminded me when comparing it to the LDT area: since this area is per-mm/pgd and we context switch that *obviously* there's no extra work to do at context switch time, as long as the area is marked non-Global.
