On 6/12/19 10:08 AM, Marius Hillenbrand wrote: > This patch series proposes to introduce a region for what we call > process-local memory into the kernel's virtual address space. It might be fun to cc some x86 folks on this series. They might have some relevant opinions. ;) A few high-level questions: Why go to all this trouble to hide guest state like registers if all the guest data itself is still mapped? Where's the context-switching code? Did I just miss it? We've discussed having per-cpu page tables where a given PGD is only in use from one CPU at a time. I *think* this scheme still works in such a case, it just adds one more PGD entry that would have to context-switched.
