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10ea6ac895
Add bridge netfilter deferred output hooks to feature-removal-schedule and disable them by default. Until their removal they will be activated by the physdev match when needed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
277 lines
10 KiB
Plaintext
277 lines
10 KiB
Plaintext
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: 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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---------------------------
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What: drivers that were depending on OBSOLETE_OSS_DRIVER
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(config options already removed)
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When: before 2.6.19
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Why: OSS drivers with ALSA replacements
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Who: Adrian Bunk <bunk@stusta.de>
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---------------------------
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What: raw1394: requests of type RAW1394_REQ_ISO_SEND, RAW1394_REQ_ISO_LISTEN
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When: November 2006
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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@modernduck.com>
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---------------------------
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What: sbp2: module parameter "force_inquiry_hack"
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When: July 2006
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Why: Superceded by parameter "workarounds". Both parameters are meant to be
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used ad-hoc and for single devices only, i.e. not in modprobe.conf,
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therefore the impact of this feature replacement should be low.
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Who: Stefan Richter <stefanr@s5r6.in-berlin.de>
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---------------------------
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What: Video4Linux API 1 ioctls and video_decoder.h from Video devices.
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When: July 2006
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Why: V4L1 AP1 was replaced by V4L2 API. during migration from 2.4 to 2.6
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series. The old API have lots of drawbacks and don't provide enough
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means to work with all video and audio standards. The newer API is
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already available on the main drivers and should be used instead.
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Newer drivers should use v4l_compat_translate_ioctl function to handle
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old calls, replacing to newer ones.
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Decoder iocts are using internally to allow video drivers to
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communicate with video decoders. This should also be improved to allow
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V4L2 calls being translated into compatible internal ioctls.
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Who: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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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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What: ip_queue and ip6_queue (old ipv4-only and ipv6-only netfilter queue)
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When: December 2005
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Why: This interface has been obsoleted by the new layer3-independent
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"nfnetlink_queue". The Kernel interface is compatible, so the old
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ip[6]tables "QUEUE" targets still work and will transparently handle
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all packets into nfnetlink queue number 0. Userspace users will have
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to link against API-compatible library on top of libnfnetlink_queue
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instead of the current 'libipq'.
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Who: Harald Welte <laforge@netfilter.org>
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What: remove EXPORT_SYMBOL(kernel_thread)
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When: August 2006
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Files: arch/*/kernel/*_ksyms.c
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Why: kernel_thread is a low-level implementation detail. Drivers should
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use the <linux/kthread.h> API instead which shields them from
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implementation details and provides a higherlevel interface that
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prevents bugs and code duplication
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Who: Christoph Hellwig <hch@lst.de>
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What: CONFIG_FORCED_INLINING
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When: June 2006
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Why: Config option is there to see if gcc is good enough. (in january
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2006). If it is, the behavior should just be the default. If it's not,
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the option should just go away entirely.
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Who: Arjan van de Ven
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What: START_ARRAY ioctl for md
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When: July 2006
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Files: drivers/md/md.c
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Why: Not reliable by design - can fail when most needed.
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Alternatives exist
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Who: NeilBrown <neilb@suse.de>
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What: eepro100 network driver
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When: January 2007
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Why: replaced by the e100 driver
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Who: Adrian Bunk <bunk@stusta.de>
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What: pci_module_init(driver)
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When: January 2007
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Why: Is replaced by pci_register_driver(pci_driver).
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Who: Richard Knutsson <ricknu-0@student.ltu.se> and Greg Kroah-Hartman <gregkh@suse.de>
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What: Usage of invalid timevals in setitimer
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When: March 2007
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Why: POSIX requires to validate timevals in the setitimer call. This
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was never done by Linux. The invalid (e.g. negative timevals) were
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silently converted to more or less random timeouts and intervals.
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Until the removal a per boot limited number of warnings is printed
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and the timevals are sanitized.
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Who: Thomas Gleixner <tglx@linutronix.de>
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---------------------------
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What: I2C interface of the it87 driver
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When: January 2007
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Why: The ISA interface is faster and should be always available. The I2C
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probing is also known to cause trouble in at least one case (see
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bug #5889.)
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Who: Jean Delvare <khali@linux-fr.org>
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---------------------------
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What: Unused EXPORT_SYMBOL/EXPORT_SYMBOL_GPL exports
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(temporary transition config option provided until then)
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The transition config option will also be removed at the same time.
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When: before 2.6.19
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Why: Unused symbols are both increasing the size of the kernel binary
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and are often a sign of "wrong API"
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Who: Arjan van de Ven <arjan@linux.intel.com>
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---------------------------
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What: mount/umount uevents
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When: February 2007
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Why: These events are not correct, and do not properly let userspace know
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when a file system has been mounted or unmounted. Userspace should
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poll the /proc/mounts file instead to detect this properly.
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Who: Greg Kroah-Hartman <gregkh@suse.de>
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---------------------------
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What: USB driver API moves to EXPORT_SYMBOL_GPL
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When: Febuary 2008
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Files: include/linux/usb.h, drivers/usb/core/driver.c
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Why: The USB subsystem has changed a lot over time, and it has been
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possible to create userspace USB drivers using usbfs/libusb/gadgetfs
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that operate as fast as the USB bus allows. Because of this, the USB
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subsystem will not be allowing closed source kernel drivers to
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register with it, after this grace period is over. If anyone needs
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any help in converting their closed source drivers over to use the
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userspace filesystems, please contact the
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linux-usb-devel@lists.sourceforge.net mailing list, and the developers
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there will be glad to help you out.
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Who: Greg Kroah-Hartman <gregkh@suse.de>
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---------------------------
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What: find_trylock_page
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When: January 2007
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Why: The interface no longer has any callers left in the kernel. It
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is an odd interface (compared with other find_*_page functions), in
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that it does not take a refcount to the page, only the page lock.
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It should be replaced with find_get_page or find_lock_page if possible.
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This feature removal can be reevaluated if users of the interface
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cannot cleanly use something else.
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Who: Nick Piggin <npiggin@suse.de>
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---------------------------
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What: Support for the MIPS EV96100 evaluation board
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When: September 2006
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Why: Does no longer build since at least November 15, 2003, apparently
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no userbase left.
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Who: Ralf Baechle <ralf@linux-mips.org>
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What: Support for the Momentum / PMC-Sierra Jaguar ATX evaluation board
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When: September 2006
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Why: Does no longer build since quite some time, and was never popular,
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due to the platform being replaced by successor models. Apparently
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no user base left. It also is one of the last users of
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WANT_PAGE_VIRTUAL.
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Who: Ralf Baechle <ralf@linux-mips.org>
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What: Support for the Momentum Ocelot, Ocelot 3, Ocelot C and Ocelot G
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When: September 2006
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Why: Some do no longer build and apparently there is no user base left
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for these platforms.
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Who: Ralf Baechle <ralf@linux-mips.org>
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What: Support for MIPS Technologies' Altas and SEAD evaluation board
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When: September 2006
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Why: Some do no longer build and apparently there is no user base left
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for these platforms. Hardware out of production since several years.
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Who: Ralf Baechle <ralf@linux-mips.org>
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What: Support for the IT8172-based platforms, ITE 8172G and Globespan IVR
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When: September 2006
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Why: Code does no longer build since at least 2.6.0, apparently there is
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no user base left for these platforms. Hardware out of production
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since several years and hardly a trace of the manufacturer left on
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the net.
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Who: Ralf Baechle <ralf@linux-mips.org>
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---------------------------
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What: Interrupt only SA_* flags
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When: Januar 2007
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Why: The interrupt related SA_* flags are replaced by IRQF_* to move them
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out of the signal namespace.
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Who: Thomas Gleixner <tglx@linutronix.de>
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---------------------------
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What: i2c-ite and i2c-algo-ite drivers
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When: September 2006
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Why: These drivers never compiled since they were added to the kernel
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tree 5 years ago. This feature removal can be reevaluated if
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someone shows interest in the drivers, fixes them and takes over
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maintenance.
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http://marc.theaimsgroup.com/?l=linux-mips&m=115040510817448
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Who: Jean Delvare <khali@linux-fr.org>
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---------------------------
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What: Bridge netfilter deferred IPv4/IPv6 output hook calling
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When: January 2007
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Why: The deferred output hooks are a layering violation causing unusual
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and broken behaviour on bridge devices. Examples of things they
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break include QoS classifation using the MARK or CLASSIFY targets,
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the IPsec policy match and connection tracking with VLANs on a
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bridge. Their only use is to enable bridge output port filtering
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within iptables with the physdev match, which can also be done by
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combining iptables and ebtables using netfilter marks. Until it
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will get removed the hook deferral is disabled by default and is
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only enabled when needed.
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Who: Patrick McHardy <kaber@trash.net>
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---------------------------
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