From the H reporting on LinuxCon Europe comes news that several Linux kernel developers have been laid off by AMD as part of its workforce reduction
. From the article: "OSRC staff primarily worked to develop the Linux support for AMD's server processors, but they also wrote code and extensions for related desktop and notebook CPUs – for example, they looked after the code to support CPU frequency scaling for the PowerNow and Turbo Core technologies. While working on the kernel's IOMMU and KVM support, one of AMD's former employees contributed to the development of the "IOMMU groups" feature that was integrated into Linux 3.6; this feature provides the basis for a new Linux 3.6 technology that allows a host's PCIe devices to be passed through to virtual machines and can also be used with Intel CPUs."
Looks like the group was doing interesting research
on hypervisors, lockless data structures, and multi-core synchronization primitives among other things. The Open Source Radeon driver developers are not affected by this at least.