TableOfContents()

Short overview (for news sites, etc)

Linux 2.6.20 greatly improves kdump (http://news.zdnet.co.uk/software/0,1000000121,39285165,00.htm ); KVM (http://kvm.sourceforge.net) for Intel with VT and AMD with SVM hardware virtualization.

Important things (AKA: ''the cool stuff'')

• Asynchronous SCSI scanning
• Multithreaded USB probing
• New 300Hz option. Good because it evenly divides PAL and NTSC framerates
• HID Layer split

Drivers

• pata
  • Add support for Winbond, Marvel, and others
  • Some suspend/resume support added
• Add support for Moxa SmartIO multiport serial cards
• optimize o_direct on block devices
• HWMon: New Winbond W83793 hardware monitoring driver

• Add NetXen 1G/10G ethernet driver.

• e1000: New hardware support
• Remove FTape driver
• Sensors
  • Add support for Apple Motion Sensors
  • Support for National Semiconductor PC87427 Super-I/O chip
  • Support for Winbond W83793 sensors
• ohci1394: steps to implement suspend/resume
• forcedeth: power management support
• usbtouchscreen: add support for DMC TSC-10/25 devices
• allow usb hubs to have up to 31 children
• Altix: Some ACPI support

Video

• Add support for Philips UCB1400 touchscreen
• Framebuffer support for IBM GXT4500P adaptor
• Ability to set Geode framebuffer size
• DRM i915 updates
• V4L
  • Add support for Pinnacle 310i
  • Added support for a ASUSTEK P7131 Dual DVB-T variant
  • Add support for the Compro Videomate DVB-T200A

Network

• Atmel MACB support

Sound

• Remove obsolete OSS drivers that already have ALSA replacements

Other stuff

Arch-independent changes in the kernel core

• Add support for Log2 mechanism [http://lwn.net/Articles/203596/]

• Driver core: add notification of bus events [http://lkml.org/lkml/2006/12/1/297]

Architecture-specific changes

• ARM
  • Support to change MX1 CPU frequency at runtime.
  • Support for Atmel AT91SAM9260-EK (and 61) boards
  • Some more suspend to RAM support
• i386
  • Add support for a relocatable kernel. This is useful for kexec panics and another kernel being loaded.
  • Add support to compile for Core2
• MIPS
  • Use "long" for 64-bit values on 64-bit kernel.
• PowerPC
  • Refactor 64 bit DMA operations
  • Add support for EFIKA boards
  • Add support for the Sony Playstation 3
• S390
  • cpu shutdown rework
  • New DASD feature for ERP related logging: no longer have to recompile to change ERP logging on/off
• x86_64
  • Add support to compile for Core2

Filesystems

• DebugFS: inotify support

Networking

CPU Freq

• Add support for CN400 when ACPI C3 isn't available.

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