X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=blobdiff_plain;f=Documentation%2Ffeature-removal-schedule.txt;fp=Documentation%2Ffeature-removal-schedule.txt;h=e9237fb719507abe070064c7fc62848e7307748d;hp=b99803066b7b17a2cc2c885071a7f69c7b224832;hb=6df419e45d71b8d9a0de8e92a1212bbea460f0e0;hpb=c893e7c64e36087dceb4662917976a81d1754fc0 diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index b99803066b7b..e9237fb71950 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -2,7 +2,14 @@ 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. +be removed from this file. The suggested deprecation period is 3 releases. + +--------------------------- + +What: ddebug_query="query" boot cmdline param +When: v3.8 +Why: obsoleted by dyndbg="query" and module.dyndbg="query" +Who: Jim Cromie , Jason Baron --------------------------- @@ -242,15 +249,6 @@ Who: Ravikiran Thirumalai --------------------------- -What: Code that is now under CONFIG_WIRELESS_EXT_SYSFS - (in net/core/net-sysfs.c) -When: 3.5 -Why: Over 1K .text/.data size reduction, data is available in other - ways (ioctls) -Who: Johannes Berg - ---------------------------- - What: sysfs ui for changing p4-clockmod parameters When: September 2009 Why: See commits 129f8ae9b1b5be94517da76009ea956e89104ce8 and @@ -407,21 +405,6 @@ Who: Jean Delvare ---------------------------- -What: xt_connlimit rev 0 -When: 2012 -Who: Jan Engelhardt -Files: net/netfilter/xt_connlimit.c - ----------------------------- - -What: ipt_addrtype match include file -When: 2012 -Why: superseded by xt_addrtype -Who: Florian Westphal -Files: include/linux/netfilter_ipv4/ipt_addrtype.h - ----------------------------- - What: i2c_driver.attach_adapter i2c_driver.detach_adapter When: September 2011 @@ -442,6 +425,19 @@ Who: Hans Verkuil ---------------------------- +What: CONFIG_CFG80211_WEXT +When: as soon as distributions ship new wireless tools, ie. wpa_supplicant 1.0 + and NetworkManager/connman/etc. that are able to use nl80211 +Why: Wireless extensions are deprecated, and userland tools are moving to + using nl80211. New drivers are no longer using wireless extensions, + and while there might still be old drivers, both new drivers and new + userland no longer needs them and they can't be used for an feature + developed in the past couple of years. As such, compatibility with + wireless extensions in new drivers will be removed. +Who: Johannes Berg + +---------------------------- + What: g_file_storage driver When: 3.8 Why: This driver has been superseded by g_mass_storage. @@ -516,14 +512,6 @@ Who: Sebastian Andrzej Siewior ---------------------------- -What: kmap_atomic(page, km_type) -When: 3.5 -Why: The old kmap_atomic() with two arguments is deprecated, we only - keep it for backward compatibility for few cycles and then drop it. -Who: Cong Wang - ----------------------------- - What: get_robust_list syscall When: 2013 Why: There appear to be no production users of the get_robust_list syscall, @@ -534,6 +522,18 @@ Who: Kees Cook ---------------------------- +What: Removing the pn544 raw driver. +When: 3.6 +Why: With the introduction of the NFC HCI and SHDL kernel layers, pn544.c + is being replaced by pn544_hci.c which is accessible through the netlink + and socket NFC APIs. Moreover, pn544.c is outdated and does not seem to + work properly with the latest Android stacks. + Having 2 drivers for the same hardware is confusing and as such we + should only keep the one following the kernel NFC APIs. +Who: Samuel Ortiz + +---------------------------- + What: setitimer accepts user NULL pointer (value) When: 3.6 Why: setitimer is not returning -EFAULT if user pointer is NULL. This @@ -561,6 +561,46 @@ Who: Sylwester Nawrocki ---------------------------- +What: cgroup option updates via remount +When: March 2013 +Why: Remount currently allows changing bound subsystems and + release_agent. Rebinding is hardly useful as it only works + when the hierarchy is empty and release_agent itself should be + replaced with conventional fsnotify. + +---------------------------- + +What: xt_recent rev 0 +When: 2013 +Who: Pablo Neira Ayuso +Files: net/netfilter/xt_recent.c + +---------------------------- + +What: KVM debugfs statistics +When: 2013 +Why: KVM tracepoints provide mostly equivalent information in a much more + flexible fashion. + +---------------------------- + +What: at91-mci driver ("CONFIG_MMC_AT91") +When: 3.7 +Why: There are two mci drivers: at91-mci and atmel-mci. The PDC support + was added to atmel-mci as a first step to support more chips. + Then at91-mci was kept only for old IP versions (on at91rm9200 and + at91sam9261). The support of these IP versions has just been added + to atmel-mci, so atmel-mci can be used for all chips. +Who: Ludovic Desroches + +---------------------------- + +What: net/wanrouter/ +When: June 2013 +Why: Unsupported/unmaintained/unused since 2.6 + +---------------------------- + What: V4L2 selections API target rectangle and flags unification, the following definitions will be removed: V4L2_SEL_TGT_CROP_ACTIVE, V4L2_SEL_TGT_COMPOSE_ACTIVE, V4L2_SUBDEV_SEL_*, V4L2_SUBDEV_SEL_FLAG_* @@ -576,3 +616,5 @@ Why: The regular V4L2 selections and the subdev selection API originally any instabilities in the user space interface. After few cycles these backward compatibility definitions will be removed. Who: Sylwester Nawrocki + +----------------------------