2005-04-17 06:20:36 +08:00
|
|
|
The following is a list of files and features that are going to be
|
|
|
|
|
removed in the kernel source tree. Every entry should contain what
|
|
|
|
|
exactly is going away, why it is happening, and who is going to be doing
|
|
|
|
|
the work. When the feature is removed from the kernel, it should also
|
|
|
|
|
be removed from this file.
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: devfs
|
|
|
|
|
When: July 2005
|
|
|
|
|
Files: fs/devfs/*, include/linux/devfs_fs*.h and assorted devfs
|
|
|
|
|
function calls throughout the kernel tree
|
|
|
|
|
Why: It has been unmaintained for a number of years, has unfixable
|
|
|
|
|
races, contains a naming policy within the kernel that is
|
|
|
|
|
against the LSB, and can be replaced by using udev.
|
|
|
|
|
Who: Greg Kroah-Hartman <greg@kroah.com>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-06-26 05:59:37 +08:00
|
|
|
What: RAW driver (CONFIG_RAW_DRIVER)
|
|
|
|
|
When: December 2005
|
|
|
|
|
Why: declared obsolete since kernel 2.6.3
|
|
|
|
|
O_DIRECT can be used instead
|
|
|
|
|
Who: Adrian Bunk <bunk@stusta.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-04-20 17:43:21 +08:00
|
|
|
What: drivers that were depending on OBSOLETE_OSS_DRIVER
|
|
|
|
|
(config options already removed)
|
|
|
|
|
When: before 2.6.19
|
2005-11-09 13:34:45 +08:00
|
|
|
Why: OSS drivers with ALSA replacements
|
|
|
|
|
Who: Adrian Bunk <bunk@stusta.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-05-01 23:59:03 +08:00
|
|
|
What: RCU API moves to EXPORT_SYMBOL_GPL
|
|
|
|
|
When: April 2006
|
|
|
|
|
Files: include/linux/rcupdate.h, kernel/rcupdate.c
|
|
|
|
|
Why: Outside of Linux, the only implementations of anything even
|
|
|
|
|
vaguely resembling RCU that I am aware of are in DYNIX/ptx,
|
|
|
|
|
VM/XA, Tornado, and K42. I do not expect anyone to port binary
|
|
|
|
|
drivers or kernel modules from any of these, since the first two
|
|
|
|
|
are owned by IBM and the last two are open-source research OSes.
|
|
|
|
|
So these will move to GPL after a grace period to allow
|
|
|
|
|
people, who might be using implementations that I am not aware
|
|
|
|
|
of, to adjust to this upcoming change.
|
|
|
|
|
Who: Paul E. McKenney <paulmck@us.ibm.com>
|
2005-05-17 12:53:59 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN
|
|
|
|
|
When: November 2005
|
|
|
|
|
Why: Deprecated in favour of the new ioctl-based rawiso interface, which is
|
|
|
|
|
more efficient. You should really be using libraw1394 for raw1394
|
|
|
|
|
access anyway.
|
|
|
|
|
Who: Jody McIntyre <scjody@steamballoon.com>
|
2005-05-12 09:59:29 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-05-16 04:04:59 +08:00
|
|
|
What: sbp2: module parameter "force_inquiry_hack"
|
|
|
|
|
When: July 2006
|
|
|
|
|
Why: Superceded by parameter "workarounds". Both parameters are meant to be
|
|
|
|
|
used ad-hoc and for single devices only, i.e. not in modprobe.conf,
|
|
|
|
|
therefore the impact of this feature replacement should be low.
|
|
|
|
|
Who: Stefan Richter <stefanr@s5r6.in-berlin.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-11-09 13:38:53 +08:00
|
|
|
What: Video4Linux API 1 ioctls and video_decoder.h from Video devices.
|
|
|
|
|
When: July 2006
|
|
|
|
|
Why: V4L1 AP1 was replaced by V4L2 API. during migration from 2.4 to 2.6
|
|
|
|
|
series. The old API have lots of drawbacks and don't provide enough
|
|
|
|
|
means to work with all video and audio standards. The newer API is
|
|
|
|
|
already available on the main drivers and should be used instead.
|
|
|
|
|
Newer drivers should use v4l_compat_translate_ioctl function to handle
|
|
|
|
|
old calls, replacing to newer ones.
|
|
|
|
|
Decoder iocts are using internally to allow video drivers to
|
|
|
|
|
communicate with video decoders. This should also be improved to allow
|
|
|
|
|
V4L2 calls being translated into compatible internal ioctls.
|
|
|
|
|
Who: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-11-07 17:01:44 +08:00
|
|
|
What: remove EXPORT_SYMBOL(insert_resource)
|
|
|
|
|
When: April 2006
|
|
|
|
|
Files: kernel/resource.c
|
|
|
|
|
Why: No modular usage in the kernel.
|
|
|
|
|
Who: Adrian Bunk <bunk@stusta.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-07-08 08:58:58 +08:00
|
|
|
What: PCMCIA control ioctl (needed for pcmcia-cs [cardmgr, cardctl])
|
|
|
|
|
When: November 2005
|
|
|
|
|
Files: drivers/pcmcia/: pcmcia_ioctl.c
|
|
|
|
|
Why: With the 16-bit PCMCIA subsystem now behaving (almost) like a
|
|
|
|
|
normal hotpluggable bus, and with it using the default kernel
|
|
|
|
|
infrastructure (hotplug, driver core, sysfs) keeping the PCMCIA
|
|
|
|
|
control ioctl needed by cardmgr and cardctl from pcmcia-cs is
|
|
|
|
|
unnecessary, and makes further cleanups and integration of the
|
|
|
|
|
PCMCIA subsystem into the Linux kernel device driver model more
|
|
|
|
|
difficult. The features provided by cardmgr and cardctl are either
|
|
|
|
|
handled by the kernel itself now or are available in the new
|
|
|
|
|
pcmciautils package available at
|
|
|
|
|
http://kernel.org/pub/linux/utils/kernel/pcmcia/
|
|
|
|
|
Who: Dominik Brodowski <linux@brodo.de>
|
2005-08-10 10:44:15 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: ip_queue and ip6_queue (old ipv4-only and ipv6-only netfilter queue)
|
|
|
|
|
When: December 2005
|
|
|
|
|
Why: This interface has been obsoleted by the new layer3-independent
|
|
|
|
|
"nfnetlink_queue". The Kernel interface is compatible, so the old
|
|
|
|
|
ip[6]tables "QUEUE" targets still work and will transparently handle
|
|
|
|
|
all packets into nfnetlink queue number 0. Userspace users will have
|
|
|
|
|
to link against API-compatible library on top of libnfnetlink_queue
|
|
|
|
|
instead of the current 'libipq'.
|
|
|
|
|
Who: Harald Welte <laforge@netfilter.org>
|
2005-11-09 13:35:06 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-03-24 19:18:22 +08:00
|
|
|
What: remove EXPORT_SYMBOL(kernel_thread)
|
|
|
|
|
When: August 2006
|
|
|
|
|
Files: arch/*/kernel/*_ksyms.c
|
|
|
|
|
Why: kernel_thread is a low-level implementation detail. Drivers should
|
|
|
|
|
use the <linux/kthread.h> API instead which shields them from
|
|
|
|
|
implementation details and provides a higherlevel interface that
|
|
|
|
|
prevents bugs and code duplication
|
|
|
|
|
Who: Christoph Hellwig <hch@lst.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-01-15 05:21:33 +08:00
|
|
|
What: CONFIG_FORCED_INLINING
|
|
|
|
|
When: June 2006
|
|
|
|
|
Why: Config option is there to see if gcc is good enough. (in january
|
|
|
|
|
2006). If it is, the behavior should just be the default. If it's not,
|
|
|
|
|
the option should just go away entirely.
|
|
|
|
|
Who: Arjan van de Ven
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-11-15 16:09:11 +08:00
|
|
|
What: START_ARRAY ioctl for md
|
|
|
|
|
When: July 2006
|
|
|
|
|
Files: drivers/md/md.c
|
|
|
|
|
Why: Not reliable by design - can fail when most needed.
|
|
|
|
|
Alternatives exist
|
|
|
|
|
Who: NeilBrown <neilb@suse.de>
|
2005-11-09 06:36:48 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: au1x00_uart driver
|
|
|
|
|
When: January 2006
|
|
|
|
|
Why: The 8250 serial driver now has the ability to deal with the differences
|
|
|
|
|
between the standard 8250 family of UARTs and their slightly strange
|
|
|
|
|
brother on Alchemy SOCs. The loss of features is not considered an
|
|
|
|
|
issue.
|
|
|
|
|
Who: Ralf Baechle <ralf@linux-mips.org>
|
2005-12-30 03:07:25 +08:00
|
|
|
|
2006-02-07 14:43:31 +08:00
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: eepro100 network driver
|
|
|
|
|
When: January 2007
|
|
|
|
|
Why: replaced by the e100 driver
|
|
|
|
|
Who: Adrian Bunk <bunk@stusta.de>
|
2006-02-07 14:47:12 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2005-12-03 09:34:12 +08:00
|
|
|
What: pci_module_init(driver)
|
|
|
|
|
When: January 2007
|
|
|
|
|
Why: Is replaced by pci_register_driver(pci_driver).
|
|
|
|
|
Who: Richard Knutsson <ricknu-0@student.ltu.se> and Greg Kroah-Hartman <gregkh@suse.de>
|
2006-01-19 05:39:48 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-03-25 19:06:35 +08:00
|
|
|
What: Usage of invalid timevals in setitimer
|
|
|
|
|
When: March 2007
|
|
|
|
|
Why: POSIX requires to validate timevals in the setitimer call. This
|
|
|
|
|
was never done by Linux. The invalid (e.g. negative timevals) were
|
|
|
|
|
silently converted to more or less random timeouts and intervals.
|
|
|
|
|
Until the removal a per boot limited number of warnings is printed
|
|
|
|
|
and the timevals are sanitized.
|
|
|
|
|
|
|
|
|
|
Who: Thomas Gleixner <tglx@linutronix.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-01-19 05:39:48 +08:00
|
|
|
What: I2C interface of the it87 driver
|
|
|
|
|
When: January 2007
|
|
|
|
|
Why: The ISA interface is faster and should be always available. The I2C
|
|
|
|
|
probing is also known to cause trouble in at least one case (see
|
|
|
|
|
bug #5889.)
|
|
|
|
|
Who: Jean Delvare <khali@linux-fr.org>
|
2006-02-23 01:39:02 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-03-24 19:18:33 +08:00
|
|
|
What: remove EXPORT_SYMBOL(tasklist_lock)
|
|
|
|
|
When: August 2006
|
|
|
|
|
Files: kernel/fork.c
|
|
|
|
|
Why: tasklist_lock protects the kernel internal task list. Modules have
|
|
|
|
|
no business looking at it, and all instances in drivers have been due
|
|
|
|
|
to use of too-lowlevel APIs. Having this symbol exported prevents
|
|
|
|
|
moving to more scalable locking schemes for the task list.
|
|
|
|
|
Who: Christoph Hellwig <hch@lst.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
2006-02-23 01:39:02 +08:00
|
|
|
What: mount/umount uevents
|
|
|
|
|
When: February 2007
|
|
|
|
|
Why: These events are not correct, and do not properly let userspace know
|
|
|
|
|
when a file system has been mounted or unmounted. Userspace should
|
|
|
|
|
poll the /proc/mounts file instead to detect this properly.
|
|
|
|
|
Who: Greg Kroah-Hartman <gregkh@suse.de>
|
2006-03-03 00:50:12 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: Support for NEC DDB5074 and DDB5476 evaluation boards.
|
|
|
|
|
When: June 2006
|
|
|
|
|
Why: Board specific code doesn't build anymore since ~2.6.0 and no
|
|
|
|
|
users have complained indicating there is no more need for these
|
|
|
|
|
boards. This should really be considered a last call.
|
|
|
|
|
Who: Ralf Baechle <ralf@linux-mips.org>
|
2006-03-21 05:17:13 +08:00
|
|
|
|
|
|
|
|
---------------------------
|
|
|
|
|
|
|
|
|
|
What: USB driver API moves to EXPORT_SYMBOL_GPL
|
|
|
|
|
When: Febuary 2008
|
|
|
|
|
Files: include/linux/usb.h, drivers/usb/core/driver.c
|
|
|
|
|
Why: The USB subsystem has changed a lot over time, and it has been
|
|
|
|
|
possible to create userspace USB drivers using usbfs/libusb/gadgetfs
|
|
|
|
|
that operate as fast as the USB bus allows. Because of this, the USB
|
|
|
|
|
subsystem will not be allowing closed source kernel drivers to
|
|
|
|
|
register with it, after this grace period is over. If anyone needs
|
|
|
|
|
any help in converting their closed source drivers over to use the
|
|
|
|
|
userspace filesystems, please contact the
|
|
|
|
|
linux-usb-devel@lists.sourceforge.net mailing list, and the developers
|
|
|
|
|
there will be glad to help you out.
|
|
|
|
|
Who: Greg Kroah-Hartman <gregkh@suse.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
2006-03-31 18:29:56 +08:00
|
|
|
|
|
|
|
|
What: find_trylock_page
|
|
|
|
|
When: January 2007
|
|
|
|
|
Why: The interface no longer has any callers left in the kernel. It
|
|
|
|
|
is an odd interface (compared with other find_*_page functions), in
|
|
|
|
|
that it does not take a refcount to the page, only the page lock.
|
|
|
|
|
It should be replaced with find_get_page or find_lock_page if possible.
|
|
|
|
|
This feature removal can be reevaluated if users of the interface
|
|
|
|
|
cannot cleanly use something else.
|
|
|
|
|
Who: Nick Piggin <npiggin@suse.de>
|
|
|
|
|
|
|
|
|
|
---------------------------
|
