Re: Merge window closed: v2.6.19-rc1

[ebiederm@xmission.com (Eric W. Biederman)]

Linus Torvalds <torvalds@osdl.org> writes:

> On Fri, 6 Oct 2006, caszonyi@rdslink.ro wrote:
>> 
>> In dmesg:
>> warning: process `sleep' used the removed sysctl system call
>> warning: process `alsactl' used the removed sysctl system call
>> warning: process `nscd' used the removed sysctl system call
>> warning: process `tail' used the removed sysctl system call
>
> You need to compile with CONFIG_SYSCLT set to 'y' rather than 'n'.
>
> Alternatively, you can probably fix it by just upgrading user-land, but 
> the SYSCLT thing _does_ still exist, it's just deprecated and defaults to 
> off by default..
>
> (Or you can possibly even choose to just ignore the warnings, they 
> probably won't affect any actual behaviour)

I'm tempted to submit a patch that just kills the warning.

The only known user is lipthreads from glibc performing.
if ! uname -v | grep "SMP" ; then
	....
fi

That code if it gets -ENOSYS reads /proc/sys/kernel/version,
and it has worked this way since the day it was written.

I have been looking for other uses of sys_sysctl but I haven't
found any.  Why glibc doesn't call uname like any normal
program when it wants to uname information is beyond me.

Eric
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