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authorEric W. Biederman <ebiederm@xmission.com>2007-10-18 03:05:58 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:23 -0700
commit7058cb02ddab4bce70a46e519804fccb7ac0a060 (patch)
treec0d3bfc395472a2a8c9098227739892a9090b3a0 /kernel/sysctl_check.c
parent8ada720d89d678eb5a09d3048a5e9a35c526800c (diff)
sysctl: deprecate sys_sysctl in a user space visible fashion.
After adding checking to register_sysctl_table and finding a whole new set of bugs. Missed by countless code reviews and testers I have finally lost patience with the binary sysctl interface. The binary sysctl interface has been sort of deprecated for years and finding a user space program that uses the syscall is more difficult then finding a needle in a haystack. Problems continue to crop up, with the in kernel implementation. So since supporting something that no one uses is silly, deprecate sys_sysctl with a sufficient grace period and notice that the handful of user space applications that care can be fixed or replaced. The /proc/sys sysctl interface that people use will continue to be supported indefinitely. This patch moves the tested warning about sysctls from the path where sys_sysctl to a separate path called from both implementations of sys_sysctl, and it adds a proper entry into Documentation/feature-removal-schedule. Allowing us to revisit this in a couple years time and actually kill sys_sysctl. [lethal@linux-sh.org: sysctl: Fix syscall disabled build] Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sysctl_check.c')
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