"Randy.Dunlap" <[email protected]> writes:
> On Mon, 10 Jul 2006 16:38:59 -0600 Eric W. Biederman wrote:
>
>>
>> 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.
>
> Where is it documented and users notified that sys_sysctl is
> deprecated? Sounds like it should be added to
> Documentation/feature-removal-schedule.txt.
The deprecation I believe actually predates feature-remove-schedule.txt
>From include/linux/sysctl.h
> ****************************************************************
> ****************************************************************
> **
> ** The values in this file are exported to user space via
> ** the sysctl() binary interface. However this interface
> ** is unstable and deprecated and will be removed in the future.
> ** For a stable interface use /proc/sys.
> **
> ****************************************************************
> ****************************************************************
And I can't actually find any user space applications that continue
to use sys_sysctl.
So the combination of the two patches and makes the deprecation official,
and makes it a compile time option so we can disable sys_sysctl now,
but still have recourse if some parts of user space need the code.
Currently the we dup the internal helpers which makes maintenance
of the code a nightmare.
Eric
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