Support for Intel's LASS
Support for Intel's LASS
Posted Jan 14, 2023 9:22 UTC (Sat) by josh (subscriber, #17465)Parent article: Support for Intel's LASS
One huge benefit of LASS would be if it permitted turning *off* the unmapping of kernel space when in userspace, to improve syscall performance, without losing *as* much in the way of safety.
Posted Jan 14, 2023 11:02 UTC (Sat)
by matthias (subscriber, #94967)
[Link]
Support for Intel's LASS
I guess that this is meant by the sentence:
> If LASS can allow some of the more expensive Meltdown and Spectre mitigations to be turned off without compromising security, it seems worth having. But, for now, nobody has said publicly which mitigations, if any, are rendered unnecessary by LASS.