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SubjectRe: [PATCH] sysctl: Undeprecate sys_sysctl (take 2)
Eric W. Biederman wrote:
> Andi Kleen <ak@suse.de> writes:
>
>> On Wednesday 08 November 2006 20:58, Eric W. Biederman wrote:
>>> The basic issue is that despite have been ``deprecated'' and
>>> warned about as a very bad thing in the man pages since it's
>>> inception there are a few real users of sys_sysctl.
>> But they only seem to use a small number of actually used with
>> sysctl(2) sysctls.
>> I still think just maintaining a conversion table for
>> those is the right thing to do.
>
> I don't know. Every distinct user of the binary sysctl interface
> used a different entry. So the fact that there are a small number of
> programs and thus a small number of sysctls used I agree with. I do
> not agree with the conclusion that we can predict the set of binary
> sysctl that are in use. We do not get good enough feedback from
> the user community.
>
> I don't have a problem with the principle of a conversion table
> if it meant that we would never add any additional binary sysctls.
>

Okay, my opinion now...

I think we should change the sysctl system so most sysctls simply aren't
accessible through the binary interface. The rest of them should be
documented in one place, preferrably machine-readable.

However, I think having the binary sysctls available as a limited last
resort is better than adding ad hoc system calls all over the place,
like sys_mips.

-hpa

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