Linus,
please pull sysctl updates for v3.4-rc1 from:
git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl.git master
This tree is against v3.3-rc1 aka dcd6c92267155e70a94b3927bce681ce74b80d1f
The topmost commit is 4e474a00d7ff746ed177ddae14fa8b2d4bad7a00
Highlights:
- Rewrite of sysctl for speed and clarity.
Insert/remove/Lookup in sysctl are all now O(NlogN) operations, and
are no longer bottlenecks in the process of adding and removing
network devices.
sysctl is now focused on being a filesystem instead of system call
and the code can all be found in fs/proc/proc_sysctl.c. Hopefully
this means the code is now approachable.
Much thanks is owed to Lucian Grinjincu for keeping at this until
something was found that was usable.
- The recent proc_sys_poll oops found by the fuzzer during hibernation
is fixed.
Dan Carpenter (2):
sysctl: remove an unused variable
sysctl: fix memset parameters in setup_sysctl_set()
Eric W. Biederman (32):
sysctl: Consolidate !CONFIG_SYSCTL handling
sysctl: Register the base sysctl table like any other sysctl table.
sysctl: Move the implementation into fs/proc/proc_sysctl.c
sysctl: Make the directories have nlink == 1
sysctl: Implement retire_sysctl_set
sysctl: Remove the unnecessary sysctl_set parent concept.
sysctl: Create local copies of directory names used in paths
sysctl: Add support for register sysctl tables with a normal cstring path.
sysctl: Add ctl_table chains into cstring paths
sysctl: register only tables of sysctl files
sysctl: Improve the sysctl sanity checks
sysctl: Remove the now unused ctl_table parent field.
sysctl: A more obvious version of grab_header.
sysctl: Initial support for auto-unregistering sysctl tables.
sysctl: Factor out init_header from __register_sysctl_paths
sysctl: Factor out insert_header and erase_header
sysctl: Normalize the root_table data structure.
sysctl: Rewrite proc_sys_lookup introducing find_entry and lookup_entry.
sysctl: Rewrite proc_sys_readdir in terms of first_entry and next_entry
sysctl: Add a root pointer to ctl_table_set
sysctl: Stop requiring explicit management of sysctl directories
sysctl: Add sysctl_print_dir and use it in get_subdir
sysctl: Replace root_list with links between sysctl_table_sets.
sysctl: Modify __register_sysctl_paths to take a set instead of a root and an nsproxy
sysctl: Move sysctl_check_dups into insert_header
sysctl: Make the header lists per directory.
sysctl: Index sysctl directories with rbtrees.
sysctl: Add register_sysctl for normal sysctl users
sysctl: An easier to read version of find_subdir
sysctl: Correct error return from get_subdir
sysctl: Comments to make the code clearer.
sysctl: Don't call sysctl_follow_link unless we are a link.
Lucas De Marchi (2):
sysctl: remove impossible condition check
sysctl: protect poll() in entries that may go away
fs/proc/internal.h | 3 +
fs/proc/proc_sysctl.c | 1274 +++++++++++++++++++++++++++++++++++++++++++++---
include/linux/sysctl.h | 106 +++--
kernel/Makefile | 1 -
kernel/sysctl.c | 501 +-------------------
kernel/sysctl_check.c | 160 ------
lib/Kconfig.debug | 8 -
net/sysctl_net.c | 24 +-
8 files changed, 1280 insertions(+), 797 deletions(-)
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