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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-01 13:26:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-01 13:26:18 -0800 |
| commit | ad0b314e003049292a23dd248d3c3ca4a3d75f55 (patch) | |
| tree | 04dca6c0aff813d121e02ae6fd79fce53badf5d6 /init | |
| parent | b94ae8ad9fe79da61231999f347f79645b909bda (diff) | |
| parent | 61a47c1ad3a4dc6882f01ebdc88138ac62d0df03 (diff) | |
| download | linux-ad0b314e003049292a23dd248d3c3ca4a3d75f55.tar.bz2 | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull sysctl system call removal from Eric Biederman:
"As far as I can tell we have reached the point where no one enables
the sysctl system call anymore. It still is enabled in a few
defconfigs but they are mostly the rarely used one and in asking
people about that it was more cut & paste enabled than anything else.
This is single commit that just deletes code. Leaving just enough code
so that the deprecated sysctl warning continues to be printed. If my
analysis turns out to be wrong and someone actually cares it will be
easy to revert this commit and have the system call again.
There was one new xtensa defconfig in linux-next that enabled the
system call this cycle and when asked about it the maintainer of the
code replied that it was not enabled on purpose. As of today's
linux-next tree that defconfig no longer enables the system call.
What we saw in the review discussion was that if we go a step farther
than my patch and mess with uapi headers there are pieces of code that
won't compile, but nothing minds the system call actually disappearing
from the kernel"
Link: https://lore.kernel.org/lkml/201910011140.EA0181F13@keescook/
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
sysctl: Remove the sysctl system call
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/init/Kconfig b/init/Kconfig index 67a602ee17f1..128b68a16951 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1376,23 +1376,6 @@ config SYSFS_SYSCALL If unsure say Y here. -config SYSCTL_SYSCALL - bool "Sysctl syscall support" if EXPERT - depends on PROC_SYSCTL - default n - select SYSCTL - ---help--- - sys_sysctl uses binary paths that have been found challenging - to properly maintain and use. The interface in /proc/sys - using paths with ascii names is now the primary path to this - information. - - Almost nothing using the binary sysctl interface so if you are - trying to save some space it is probably safe to disable this, - making your kernel marginally smaller. - - If unsure say N here. - config FHANDLE bool "open by fhandle syscalls" if EXPERT select EXPORTFS |