Re: removed sysctl system call - documentation and timeline

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On 10/4/06, Jesper Juhl <[email protected]> wrote:
Hi,

With recent kernels I'm getting a lot of warnings about programs using
the removed sysctl syscal.

Examples (after 5 min of uptime here) :
[email protected]:/home/juhl# dmesg | grep "used the removed sysctl system
call" | sort | uniq
warning: process `dd' used the removed sysctl system call
warning: process `ls' used the removed sysctl system call
warning: process `touch' used the removed sysctl system call

and more can be found...


I'm not, as such, opposed to removing sysctl (and yes, I know what it
is and what it does). What I am a little opposed to is that it is
being removed on such short notice (unless I missed the memo) and that
it is hidden inside EMBEDDED.

I would like to propose that, at least for 2.6.19, it be default on
(as it is now), not hide it in EMBEDDED where people usually don't go,
some huge deprecation warnings be added, and that it then gets the
usual 6-12months before being removed (did it already get that and I'm
just slow?)...  ohhh, and correct the help text; it currently says
"...Nothing has been using the binary sysctl interface for some time
now so nothing should break if you disable sysctl syscall support" -
that's obviously false as demonstrated by the above extract from my
dmesg...
Another data point then... this is FC5-uptodate:

[[email protected] incoming]$ dmesg | grep -i sysctl
warning: process `date' used the removed sysctl system call
warning: process `touch' used the removed sysctl system call
warning: process `salsa' used the removed sysctl system call

--alessandro

"Well a man has two reasons for things that he does
 the first one is pride and the second one is love
 all understandings must come by this way"

    (Husker Du, 'She Floated Away')
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