Intel FRED Suffers A Late "Incompatible Change" To The Architecture

Intel FRED has been seeing Linux software enablement going on for the past three years. FRED is the Flexible Return Event Delivery that overhauls CPU transitions between privilege levels with a goal of lower ring transition latency and more robust software support. Unfortunately it has a late breaking incompatible change to the architecture and the Linux kernel is n…
phoronix.com/news/Intel-FRED-I…

DM-PCACHE Poised For Linux 6.18 As High Throughput, Low Latency DAX Cache

Barring any issues from coming up in the near future, it looks like DM-PCACHE will be submitted for the Linux 6.18 cycle later in the year as a high throughput, low latency cache for DAX-capable persistent memory devices...
phoronix.com/news/DM-PCACHE-Fo…