Kernel: Nintendo, Bcachefs, Lavapipe
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Nintendo Crypto Driver Being Worked On For Linux, Yields Much Better AES Performance - Phoronix
The Linux kernel support around the Nintendo Wii and Wii U game console hardware continues to improve and now a new Nintendo crypto driver is being tackled based on reverse-engineered documentation.
A set of patches were sent out last week for the new "nintendo-aes" driver providing AES support on the Wii / Wii U hardware based on prior reverse engineering done to the Nintendo crypto engine.
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Bcachefs Merges Support For Btrfs-Like Snapshots - Phoronix
It's been a while since having any news to report on Bcachefs as the promising open-source file-system born out of the Linux kernel's block cache code. However, Kent Overstreet continues working tirelessly on it and has now merged Bcachefs' snapshot support.
Bcachefs is quite interesting from the technical perspective and so far continues being developed out-of-tree from the mainline kernel. This newly-merged Bcachefs snapshots support provides Btrfs-style sub-volumes and snapshots. Bcachefs snapshots are writable and designed to be highly scalable and space efficient. With the current code, snapshot creation and deletion is working and fsck work is done but other related items remain in the works.
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Lavapipe Mesa Software Driver Enables Vulkan 1.2 Support - Phoronix
Adding to the growing list of Mesa 21.3 features for next quarter's feature release is Lavapipe now supporting Vulkan 1.2.
Lavapipe is Mesa's software-based Vulkan implementation akin to LLVMpipe for OpenGL. With the latest Mesa Git / 21.3-devel code, Lavapipe now exposes Vulkan 1.2 support.
All necessary Vulkan 1.2 changes are now in place with only optional extensions remaining.
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