bf45d9b0ac
Schedule removal of the PCMCIA ioctl (and thus kernel support for the pcmcia-cs userspace package) for November 2005. A big "thank you" to Dave Hinds for his great work on supporting PCMCIA in Linux. Things are just done differently by now, so the ongoing work to make PCMCIA behave like any other hotpluggable bus should continue. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
137 lines
5 KiB
Text
137 lines
5 KiB
Text
The following is a list of files and features that are going to be
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removed in the kernel source tree. Every entry should contain what
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exactly is going away, why it is happening, and who is going to be doing
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the work. When the feature is removed from the kernel, it should also
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be removed from this file.
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---------------------------
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What: devfs
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When: July 2005
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Files: fs/devfs/*, include/linux/devfs_fs*.h and assorted devfs
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function calls throughout the kernel tree
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Why: It has been unmaintained for a number of years, has unfixable
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races, contains a naming policy within the kernel that is
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against the LSB, and can be replaced by using udev.
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Who: Greg Kroah-Hartman <greg@kroah.com>
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What: ACPI S4bios support
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When: May 2005
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Why: Noone uses it, and it probably does not work, anyway. swsusp is
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faster, more reliable, and people are actually using it.
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Who: Pavel Machek <pavel@suse.cz>
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What: PCI Name Database (CONFIG_PCI_NAMES)
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When: July 2005
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Why: It bloats the kernel unnecessarily, and is handled by userspace better
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(pciutils supports it.) Will eliminate the need to try to keep the
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pci.ids file in sync with the sf.net database all of the time.
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Who: Greg Kroah-Hartman <gregkh@suse.de>
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What: io_remap_page_range() (macro or function)
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When: September 2005
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Why: Replaced by io_remap_pfn_range() which allows more memory space
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addressabilty (by using a pfn) and supports sparc & sparc64
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iospace as part of the pfn.
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Who: Randy Dunlap <rddunlap@osdl.org>
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What: RAW driver (CONFIG_RAW_DRIVER)
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When: December 2005
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Why: declared obsolete since kernel 2.6.3
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O_DIRECT can be used instead
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Who: Adrian Bunk <bunk@stusta.de>
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What: register_ioctl32_conversion() / unregister_ioctl32_conversion()
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When: April 2005
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Why: Replaced by ->compat_ioctl in file_operations and other method
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vecors.
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Who: Andi Kleen <ak@muc.de>, Christoph Hellwig <hch@lst.de>
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What: RCU API moves to EXPORT_SYMBOL_GPL
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When: April 2006
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Files: include/linux/rcupdate.h, kernel/rcupdate.c
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Why: Outside of Linux, the only implementations of anything even
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vaguely resembling RCU that I am aware of are in DYNIX/ptx,
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VM/XA, Tornado, and K42. I do not expect anyone to port binary
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drivers or kernel modules from any of these, since the first two
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are owned by IBM and the last two are open-source research OSes.
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So these will move to GPL after a grace period to allow
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people, who might be using implementations that I am not aware
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of, to adjust to this upcoming change.
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Who: Paul E. McKenney <paulmck@us.ibm.com>
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What: remove verify_area()
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When: July 2006
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Files: Various uaccess.h headers.
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Why: Deprecated and redundant. access_ok() should be used instead.
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Who: Jesper Juhl <juhl-lkml@dif.dk>
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What: IEEE1394 Audio and Music Data Transmission Protocol driver,
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Connection Management Procedures driver
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When: November 2005
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Files: drivers/ieee1394/{amdtp,cmp}*
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Why: These are incomplete, have never worked, and are better implemented
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in userland via raw1394 (see http://freebob.sourceforge.net/ for
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example.)
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Who: Jody McIntyre <scjody@steamballoon.com>
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What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN
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When: November 2005
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Why: Deprecated in favour of the new ioctl-based rawiso interface, which is
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more efficient. You should really be using libraw1394 for raw1394
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access anyway.
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Who: Jody McIntyre <scjody@steamballoon.com>
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What: register_serial/unregister_serial
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When: December 2005
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Why: This interface does not allow serial ports to be registered against
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a struct device, and as such does not allow correct power management
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of such ports. 8250-based ports should use serial8250_register_port
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and serial8250_unregister_port instead.
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Who: Russell King <rmk@arm.linux.org.uk>
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What: i2c sysfs name change: in1_ref, vid deprecated in favour of cpu0_vid
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When: November 2005
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Files: drivers/i2c/chips/adm1025.c, drivers/i2c/chips/adm1026.c
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Why: Match the other drivers' name for the same function, duplicate names
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will be available until removal of old names.
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Who: Grant Coady <gcoady@gmail.com>
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What: PCMCIA control ioctl (needed for pcmcia-cs [cardmgr, cardctl])
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When: November 2005
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Files: drivers/pcmcia/: pcmcia_ioctl.c
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Why: With the 16-bit PCMCIA subsystem now behaving (almost) like a
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normal hotpluggable bus, and with it using the default kernel
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infrastructure (hotplug, driver core, sysfs) keeping the PCMCIA
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control ioctl needed by cardmgr and cardctl from pcmcia-cs is
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unnecessary, and makes further cleanups and integration of the
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PCMCIA subsystem into the Linux kernel device driver model more
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difficult. The features provided by cardmgr and cardctl are either
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handled by the kernel itself now or are available in the new
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pcmciautils package available at
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http://kernel.org/pub/linux/utils/kernel/pcmcia/
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Who: Dominik Brodowski <linux@brodo.de>
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