What's new in linux kernel 2.6.20 (三)

Various subsystems

Software suspend

• Support swap files , , , , ,

• Improve handling of highmem

• Support i386 systems with PAE or without PSE

• Measure memory shrinking time

Crypto

• Add support for the Geode LX AES hardware

• Liskov Rivest Wagner, a new tweakable narrow block cipher mode

• New XCBC algorithm

• Table driven multiplications in GF(2^128)

CPUFREQ

• Grand unification of ACPI based speedstep-centrino and acpi-cpufreq drivers. It combines functionality of these two driver into acpi-cpufreq driver. ACPI based functionality in speedstep-centrino is marked deprecated and will be removed in future. speedstep-centrino will continue to work on systems that depend on older non-ACPI table based P-state changes , , , , , , ,

• p4-clockmod: fix support for Core and add support for more Intel CPUs

• Longhaul: add support for CN400

DM

Noflush suspending , ,

SELinux

Add support for DCCP

Drivers

Graphics

Add support for secondary vertical blank interrupt to DRM core and add support to i915 , ; add ioctl in i915 for scheduling buffer swaps at vertical blanks.

sstfb: add sysfs interface , support command line options , support flat panel timings , fixups for the AMD Geode GX framebuffer driver , add support for STN displays in s3c2410fb , add YUV video overlay support in mbxfb

Sound

The scheduled removal of the OSS drivers depending on OSS_OBSOLETE_DRIVER: miroSOUND PCM20 radio, Creative SBLive! (EMU10K1), Crystal Soundfusion (CS4280/461x), AD1816(A) based cards, AD1889 based cards (AD1819 codec), ACI mixer (miroSOUND PCM1-pro/PCM12/PCM20), NM256AV/NM256ZX audio support, Yamaha OPL3-SA2 and SA3 based PnP cards

V4L/DVB

Add support for remote control of Hauppauge HVR1110 , add support for both DVB frontends of the Lifeview Trio , add support ptv-305 , add support for Avermedia AverTV Studio 507 , add support for the Terratec Cinergy HT PCMCIA module , add support for Pinnacle 310i , add working dib7000m-module , dynamic cx88 mpeg port management for HVR1300 MPEG2/DVB-T support , add usbvision driver , add support for a ASUSTEK P7131 Dual DVB-T variant , add support for Leadtek Winfast DTV Dongle (STK7700P based) , add initial DiB7000M-demod driver , add support for Dibcom DiB7000PC , remove the broken VIDEO_ZR36120 driver , add Omnivision OV7670 driver , adds support for Pinnacle PCTV 400e DVB-S , add support for Hauppauge WinTV-HVR1110 DVB-T/Hybrid , add support for the Compro Videomate DVB-T200A , Implement IR reception for 24xxx devices , add Marvell 88ALP01 "cafe" driver , add support for new revision of Nova-T Stick

libata

• Add power management (suspend/resume) support for libata drivers: pata_ali , pata_serverworks , pata_via suspend/resume support , pata_sis and pata_pdc202xx , pata_marvell , pata_cmd64x , pata_cs5520 , pata_sil680 , pata_hpt3x3 , pata_amd , pata_jmicron , pata_it821x , pata_cs5530 , pata_hpt366 , pata_atiixp, pata_cs5535, pata_cypress, pata_efar, pata_marvell, pata_mpiix, pata_netcell, pata_ns87410, pata_oldpiix, pata_opti, pata_optidma, pata_radisys, pata_sc1200, pata_triflex

• Generic platform_device libata driver , add 40pin "short" cable support, honour drive side speed detection

• Winbond 83759A support

• sata_nv ADMA/NCQ + 64 bit DMA support for nForce4

• Add ixp4xx PATA driver for ARM platforms

SCSI

• Add ability to scan scsi busses asynchronously. Since it often takes around 20-30 seconds to scan a scsi bus, it's highly advantageous to do this in parallel with other things , ; add asynchronous scsi scanning support for qla2xxx

• SCSI target support , , , , ,

• lpfc : Add MSI support

• ipr: Add PCI IDs for some new SAS adapters , add support for logging SAS fabric errors

• qla4xxx: add support for qla4032

Input drivers

• lifebook: Add Hitachi Flora-IE 55mi tablet DMI signature

• appletouch: Add Geyser IV support ables.

Networking devices

• e1000

  • Add a new dynamic itr algorithm, with 2 modes, and make it the default operation mode. This greatly reduces latency and increases small packet performance, at the "cost" of some CPU utilization. Bulk traffic throughput is unaffected

  • Enable hw TSO for IPV6, reduces CPU utilizations by 50% when transmitting IPv6 frames

  • Add support for a Low Profile quad-port PCI-E adapter and 2 variants of the ICH8 systems' onboard NIC's

• Chelsio

  • Working NAPI

  • Add support for other 10G boards

  • Add MSI support

  • add 1G swcixw support

• forcedeth:

  • Add support for new mcp67 device

  • Add recoverable error support

  • Power management support

• zd1211rw

  • Add ID for Belkin F5d7050 v4000 , for ZyXEL G-220 and for Planex GW-US54Mini

  • Support for multicast addresses

• BNX2: 5709 copper and Serdes chips support , , , , , , , , , , ,

• bcm43xx: add PCI-E code

• sk98lin: MII ioctl support

• AT91RM9200 Ethernet: Add netpoll / netconsole support

• Gianfar: add netpoll support

USB

• usbtouchscreen: add support for DMC TSC-10/25 devices

• Allow hubs up to 31 children

• Added dynamic major number for USB endpoints

• Add driver for the USB debug devices

• Add support for Novatel S720/U720 CDMA/EV-DO modems

• Add autosuspend support to the hub driver

Hwmon

• f71805f driver: Add support for "speed mode" fan speed control , add manual fan speed control , let the user adjust the PWM base frequency , support DC fan speed control mode

• Add support for the Fintek F71872F/FG chip

• Remove the SMBus interface support for it87

Watchdog

• Add iTCO vendor specific support

I2C

• Delete the broken i2c-ite bus driver

PCMCIA

• IDs for Elan serial PCMCIA device

• Allow for four multifunction subdevices

• ide-cs: Add ID for "transcend TS1GCF80" and "Weida TWTTI"

MMC

• Support for high speed (50 Hz clock speed) SD cards

• Add support for mmc v4 high speed mode

• Add support for mmc v4 wide-bus modes

• SDHCI high speed support

IPMI

• Add maintenance mode , allow hot system interface remove , add system interface hotplug

RTC

• ds1743 support

• This adds alarm support for the RTC_ALM_SET, RTC_ALM_READ, RTC_WKALM_SET and RTC_WKALM_RD operations to rtc-sh

Firewire

• ohci1394: Implement suspend/resume

Various

• Add support for Korenix 16C950-based PCI cards

• Driver for the PCEngines WRAP boards ()

• Remove long-unmaintained ftape driver subsystem.

• pktcdvd: add sysfs and debugfs interface

• Add a driver for the Xilinx uartlite serial controller

• Exar quad port serial

• cciss set sector_size to 2048 for performance , add support for 1024 logical volumes , increase number of commands on controller