A page-table isolation update
A page-table isolation update
[Kernel] Posted Apr 25, 2018 2:47 UTC (Wed) by corbet
Dave Hansen did much of the work to get kernel page-table isolation (PTI) into the kernel in response to the Meltdown CPU vulnerability. In the memory-management track of the 2018 Linux Storage, Filesystem, and Memory-Management Summit, he ran a discussion on how PTI came about, what the costs are, and what can be done to minimize its performance impact.