On Sun, 29 Jun 2008, Robert Watson wrote:
An FYI on the state of things here: in the last month, John has updated a
number of device drivers to be MPSAFE, and the USB work remains in-flight.
I'm holding fire a bit on disabling IFF_NEEDSGIANT while things settle and I
catch up on driver state, and will likely send out an update next week
regarding which device drivers remain on the kill list, and generally what
the status of this project is.
Here's the revised list of drivers that will have their build disabled in the
next week (subject to an appropriate block of time for me):
Name Bus Man page description
---- --- --------------------
ar ISA/PCI synchronous Digi/Arnet device driver
arl ISA Aironet Arlan 655 wireless network adapter driver
cnw ISA Netwave AirSurfer wireless network driver
ic I2C I2C bus system
oltr ISA/PCI Olicom Token Ring device driver
plip PPBUS printer port Internet Protocol driver
ppp TTY point to point protocol network interface
ray PCCARD Raytheon Raylink/Webgear Aviator PCCard driver
sbni ISA/PCI Granch SBNI12 leased line modem driver
sbsh PCI Granch SBNI16 SHDSL modem device driver
sl TTY slip network interface
snc ISA/PCCARD National Semiconductor DP8393X SONIC Ethernet adapter
driver
sppp TTY point to point protocol network layer for synchronous
lines
sr ISA/PCI synchronous RISCom/N2 / WANic 400/405 device driver
Obviously, if necessary work is done to remove the IFF_NEEDSGIANT requirement
from a driver, it will be pulled from the list, and I'll do an IFF_NEEDSGIANT
scan before pulling the plug. Drivers will remain in the tree but
disconnected for about a month before being removed from HEAD. Thanks greatly
to John and others who have worked hard to reduce the size of the list in the
last year!
The following USB drivers will remain enabled due to on-going USB work that
should eliminate IFF_NEEDSGIANT:
Name Bus Man page description
---- --- --------------------
axe USB ASIX Electronics AX88172 USB Ethernet driver
cdce USB USB Communication Device Class Ethernet driver
cue USB CATC USB-EL1210A USB Ethernet driver
kue USB Kawasaki LSI KL5KUSB101B USB Ethernet driver
rue USB RealTek RTL8150 USB to Fast Ethernet controller
rum USB Ralink Technology USB IEEE 802.11a/b/g wireless
network device
udav USB Davicom DM9601 USB Ethernet driver
ural USB Ralink Technology RT2500USB IEEE 802.11 driver
zyd USB ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless
network device
The following drivers reference IFF_NEEDSGIANT but only when running in an
optional non-MPSAFE mode; that optional mode will be removed but the drivers
will remain:
Name Bus Man page description
---- --- --------------------
ce PCI driver for synchronous Cronyx Tau-PCI/32 WAN adapters
cp PCI driver for synchronous Cronyx Tau-PCI WAN adapters
ctau ISA driver for synchronous Cronyx Tau WAN adapters
cx ISA driver for synchronous/asynchronous Cronyx Sigma WAN
adapters
Robert N M Watson
Computer Laboratory
University of Cambridge
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