The current state of kernel page-table isolation

Posted Dec 20, 2017 20:06 UTC (Wed) by josh (subscriber, #17465)
In reply to: The current state of kernel page-table isolation by luto
Parent article: The current state of kernel page-table isolation

Does the additional LDT handling mentioned in the article (having an extra PGD for LDTs) get skipped and compiled out in that case?

Posted Dec 22, 2017 17:57 UTC (Fri) by luto (guest, #39314) [Link]

I think so. It's actually very little code, and the PGD entry isn't allocated until someone actually calls modify_ldt()