Meltdown/Spectre mitigation for 4.15 and beyond
Meltdown/Spectre mitigation for 4.15 and beyond
Posted Jan 15, 2018 20:05 UTC (Mon) by jcm (subscriber, #18262)Parent article: Meltdown/Spectre mitigation for 4.15 and beyond
On variant 2, it’s probably also worth noting...
Various other arches will do branch predictor restriction/hardening. An example of work in progress is the generic set of interface work posted by Will for arm.
On x86, they have a new feature (CET) which aims to manage the control flow through the RSB and it will break with retpolines. CET should be delayed until there is no chance of needing retpolines and not being able to deploy them. Calls for that to happen are on the list.
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