linux-kernel - Re: [PATCH 0/59] Cleanup sysctl

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Message-ID: <m164b6bxpz.fsf@ebiederm.dsl.xmission.com>
Date:	Tue, 16 Jan 2007 12:03:36 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	Linux Containers <containers@...ts.osdl.org>,
	Tony Luck <tony.luck@...el.com>, netdev@...r.kernel.org
Subject: Re: [PATCH 0/59] Cleanup sysctl

"H. Peter Anvin" <hpa@...or.com> writes:

> Eric W. Biederman wrote:
>>>>
>>> With "architectural" I mean "guaranteed to be stable" (as opposed to
>>> "incidental").  Sorry for the confusion.
>>
>> Ok.  Then largely we are in agreement.  To implement that the rule is simple.
>> If it isn't CTL_UNNUMBERED and the number is in Linus's tree, it is
>> our responsibility to never change the meaning of that number.
>>
>> If a new sysctl entry is introduced it should be CTL_UNNUMBERED until
>> it reaches Linus's tree to avoid conflicts.
>>
>> There is simply no point in having any kind of support for numbers
>> whose meanings can change.
>>
>> Which is why I removed the few cases of binary number duplication I
>> found.
>>
>
> Agreed.  *Furthermore*, if the number isn't in <linux/sysctl.h> it shouldn't
> exist anywhere else, either.

That would be a good habit.  Feel free to send the patches to ensure that
is so.

I'm a practical fix it when it is in my way kind of guy ;)

Eric
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