After just 65 days of development, Linus Torvalds has released version 2.6.39 of the Linux kernel. The new release includes support for ipset which simplified firewall configuration and deployment by allowing updatable and quickly searchable external tables to be used by the network filtering. Interrupt handling can now be handled almost entirely by kernel threads, the ext4 file system and block layers are now able to scale better and show better performance and the kernel now includes a network backend for Xen virtualisation.
As always, the new kernel brings hundreds of new or enhanced drivers. For example, support for AMD's current "Cayman" family of high end graphics cards and GPUs arrived with a simple DRM/KMS driver. Also new in this release are drivers for the function keys of Samsung notebooks and the Realtek RTL8192CU and RTL8188CU Wi-Fi chips.
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