diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2006-09-27 01:51:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-27 08:26:19 -0700 |
| commit | b89a81712f486e4f7a606987413e387605fdeaf4 (patch) | |
| tree | 98702b89a50e927c38f2e31cf824c10d2585722f /init | |
| parent | 571817849c76aabf34d534c905b5e604f2e824c5 (diff) | |
| download | lwn-b89a81712f486e4f7a606987413e387605fdeaf4.tar.gz lwn-b89a81712f486e4f7a606987413e387605fdeaf4.zip | |
[PATCH] sysctl: Allow /proc/sys without sys_sysctl
Since sys_sysctl is deprecated start allow it to be compiled out. This
should catch any remaining user space code that cares, and paves the way
for further sysctl cleanups.
[akpm@osdl.org: If sys_sysctl() is not compiled-in, emit a warning]
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/init/Kconfig b/init/Kconfig index 9a7656f0b5ec..4381006dd666 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -273,21 +273,24 @@ config UID16 This enables the legacy 16-bit UID syscall wrappers. config SYSCTL - bool "Sysctl support" if EMBEDDED - default y + bool + +config SYSCTL_SYSCALL + bool "Sysctl syscall support" + default n + select SYSCTL ---help--- - The sysctl interface provides a means of dynamically changing - certain kernel parameters and variables on the fly without requiring - a recompile of the kernel or reboot of the system. The primary - interface consists of a system call, but if you say Y to "/proc - file system support", a tree of modifiable sysctl entries will be - generated beneath the /proc/sys directory. They are explained in the - files in <file:Documentation/sysctl/>. Note that enabling this - option will enlarge the kernel by at least 8 KB. - - As it is generally a good thing, you should say Y here unless - building a kernel for install/rescue disks or your system is very - limited in memory. + Enable the deprecated sysctl system call. sys_sysctl uses + binary paths that have been found to be a major pain to maintain + and use. The interface in /proc/sys is now the primary and what + everyone uses. + + Nothing has been using the binary sysctl interface for some time + time now so nothing should break if you disable sysctl syscall + support, and you kernel will get marginally smaller. + + Unless you have an application that uses the sys_syscall interface + you should probably say N here. config KALLSYMS bool "Load all symbols for debugging/kksymoops" if EMBEDDED |