The 3.8 Kernel Gift
– Work towards true CPU hot-plug support.
– Improved ACPI power management in the never-ending battle of improving the Linux power efficiency and performance-per-Watt.
– A wide variety of XFS file-system changes.
– Continued work on 64-bit ARMv8 / AArch64 support.
– Tons of staging driver changes.
– Support has been dropped for the old i386 CPUs to reduce the complexity of the Linux kernel.
– DMA-BUF support in V4L2 so that Video 4 Linux 2 drivers may share buffers with their DRM graphics drivers in a zero-copy manner.
– In certain workloads, the Linux kernel now goes through a lot less system memory.
– Linux support for the Microsoft Windows 8 multi-touch protocol.
– Audio driver improvements, including new sound card drivers.
– Performance improvements for cryptography on Linux.
– Support for the yet-to-be-released IBM POWER8 CPUs.
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