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- 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>
- ---------------------------
- What: ACPI S4bios support
- When: May 2005
- Why: Noone uses it, and it probably does not work, anyway. swsusp is
- faster, more reliable, and people are actually using it.
- Who: Pavel Machek <pavel@suse.cz>
- ---------------------------
- What: PCI Name Database (CONFIG_PCI_NAMES)
- When: July 2005
- Why: It bloats the kernel unnecessarily, and is handled by userspace better
- (pciutils supports it.) Will eliminate the need to try to keep the
- pci.ids file in sync with the sf.net database all of the time.
- Who: Greg Kroah-Hartman <gregkh@suse.de>
- ---------------------------
- What: io_remap_page_range() (macro or function)
- When: September 2005
- Why: Replaced by io_remap_pfn_range() which allows more memory space
- addressabilty (by using a pfn) and supports sparc & sparc64
- iospace as part of the pfn.
- Who: Randy Dunlap <rddunlap@osdl.org>
- ---------------------------
- What: register_ioctl32_conversion() / unregister_ioctl32_conversion()
- When: April 2005
- Why: Replaced by ->compat_ioctl in file_operations and other method
- vecors.
- Who: Andi Kleen <ak@muc.de>, Christoph Hellwig <hch@lst.de>
- ---------------------------
- 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>
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